Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417

Part no. A2129006417

Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417

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Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090

Part no. 7649090-1

Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090

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Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602

Part no. A2049065602

Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602

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VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A

Part no. 03G903143A

VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A

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Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P

Part no. 5Q0959655P

Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P

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Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760

Part no. 6929760-1

Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760

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Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996

Part no. 7790996

Mini One D R50 W17 Base B+ Battery Terminal Point Engine Compartment 7790996

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BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471

Part no. 7802471

BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471

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BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264

Part no. 6938264

BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264

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Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA

Part no. 1K0907530AA

Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA

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 Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301

Part no. A0009004301

Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301

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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152

Part no. 9214977

BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152

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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402

Part no. A6421540402

Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402

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Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211

Part no. A2059002211

Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211

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Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780

Part no. 9807162780

Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780

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Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402

Part no. A1729000402

Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402

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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919

Part no. 9243919

BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919

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Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK

Part no. 6C11-12A650-AK

Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK

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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145

Part no. 7316145

BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145

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BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439

Part no. 9145439

BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439

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Bluetooth Control Unit BMW E60 E87 E90 Telematics Module ECU 9224422

Part no. 9224422

Bluetooth Control Unit BMW E60 E87 E90 Telematics Module ECU 9224422

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BMW E39 E46 X5 E53 X3 E83 EWS IV Control Unit Modul 6988104

Part no. 6988104-1

BMW E39 E46 X5 E53 X3 E83 EWS IV Control Unit Modul 6988104

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Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604

Part no. A0009012604

Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604

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Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201

Part no. A0009010201

Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201

Product currently unavailable

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BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931

Part no. 6927931

BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931

Product currently unavailable

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BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition

Part no. 7567107

BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition

Product currently unavailable

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BMW E87 LCI ECU Body Control Module Unit H2 9226331

Part no. 9226331

BMW E87 LCI ECU Body Control Module Unit H2 9226331

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Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385

Part no. A1648209385

Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385

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BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671

Part no. 6962671

BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671

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Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533

Part no. A2035403533

Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533

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BMW 1 3 Series E87 E90 Sunroof Sliding Roof Drive Unit Motor Actuator 6922257

Part no. 6922257

BMW 1 3 Series E87 E90 Sunroof Sliding Roof Drive Unit Motor Actuator 6922257

Product currently unavailable

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BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432

Part no. 7808073

BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432

Product currently unavailable

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Mini Cooper One R55 R56 R58 R60 R61 Airbag ECU Control Module 3454346

Part no. 3454346

Mini Cooper One R55 R56 R58 R60 R61 Airbag ECU Control Module 3454346

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Mini R52 Cabrio Body Control Unit Basic Module BCM 6982115

Part no. 6982115

Mini R52 Cabrio Body Control Unit Basic Module BCM 6982115

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Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804

Part no. A0018276804

Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804

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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132

Part no. A2045458132

Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132

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BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415

Part no. 8377415-1

BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415

Product currently unavailable

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Air Module Mini R50 R53 Side Control Unit ECU 6915886

Part no. 6915886

Air Module Mini R50 R53 Side Control Unit ECU 6915886

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BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510

Part no. 9210510

BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510

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BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241

Part no. 9229241

BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241

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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H

Part no. 1K0915333H

Audi A3 8P Battery Box Tray Housing Holder Bracket Cover Mount 1K0915333H

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Mercedes W212 Fuel Pump Module Control Unit A2129000306

Part no. A2129000306

Mercedes W212 Fuel Pump Module Control Unit A2129000306

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Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700

Part no. A6429002700

Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700

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BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179

Part no. 9248179

BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179

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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

Part no. A2711540802

Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

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BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618

Part no. 7519618

BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618

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Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585

Part no. 7614585

Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585

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Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726

Part no. A1718204426

Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726

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BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846

Part no. 8570846

BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846

Product currently unavailable

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Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300

Part no. A6399003300

Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300

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BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646

Part no. 8366646

BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646

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BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706

Part no. 9170706

BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706

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BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883

Part no. 9380883

BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883

Product currently unavailable

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BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491

Part no. 9119491

BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491

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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002

Part no. 9272002

BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002

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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689

Part no. A2118706689

Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689

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Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB

Part no. 06D903016AB

Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB

Product currently unavailable

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Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385

Part no. A1648200385

Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385

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Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201

Part no. A0061516201

Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201

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Battery Cable BMW F20 F21 F22 Red Positive Plus Pole Blow Off 9253111

Part no. 9253111-3

Battery Cable BMW F20 F21 F22 Red Positive Plus Pole Blow Off 9253111

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BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual

Part no. 7809000

BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual

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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P

Part no. 8V0857273P

Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P

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Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box H5 3455236

Part no. 3455236

Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box H5 3455236

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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A

Part no. 8XA959655A

Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A

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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual

Part no. 7641003-3

Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual

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Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200

Part no. A2719060200

Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200

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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801

Part no. 6922801

Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801

Product currently unavailable

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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501

Part no. A0061510501

Mercedes W203 W204 Petrol Engine Starter Motor A0061510501

Product currently unavailable

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BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495

Part no. 7834495

BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495

Product currently unavailable

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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual

Part no. 9666729580

Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual

Product currently unavailable

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Starter Motor Volkswagen VW Golf IV Bora Sharan Diesel Engine 02M911023A

Part no. 02M911023A

Starter Motor Volkswagen VW Golf IV Bora Sharan Diesel Engine 02M911023A

Product currently unavailable

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BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892

Part no. 7796892

BMW E60 E61 X3 E83 X5 E70 X6 E71 Starter Motor Diesel 7796892

Product currently unavailable

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Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102

Part no. 6801102

Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102

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BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625

Part no. 3451625

BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625

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BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188

Part no. 9273188

BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188

Product currently unavailable

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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780

Part no. 9131780

BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780

Product currently unavailable

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Audi A3 8P Air Module Control Unit ECU Module 8P0959655P

Part no. 8P0959655P

Audi A3 8P Air Module Control Unit ECU Module 8P0959655P

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BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108

Part no. 6944108

BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108

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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual

Part no. 7580279-14

BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual

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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

Part no. A6395450301-1

Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

Product currently unavailable

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Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3456858

Part no. 3456858

Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3456858

Product currently unavailable

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BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552

Part no. 6934552

BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552

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BMW X5 E70 X6 E71 Alternator Generator 170A 170AMP 14V VALEO BM57N2 7796125

Part no. 7796125-1

BMW X5 E70 X6 E71 Alternator Generator 170A 170AMP 14V VALEO BM57N2 7796125

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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389

Part no. A2038200389

Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389

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Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Part no. A2661540802

Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Product currently unavailable

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Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N

Part no. 8V0857273N

Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N

Product currently unavailable

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BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551

Part no. 7241551

BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551

Product currently unavailable

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Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB

Part no. 8W0907064CB

Audi A4 B9 BCM Body Control Module Unit ECU 8W0907064CB

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CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237

Part no. 9125237

CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237

Product currently unavailable

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BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual

Part no. 7599881-5

BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual

Product currently unavailable

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BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281

Part no. 9133281

BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281

Product currently unavailable

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Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual

Part no. 7641003-4

Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual

Product currently unavailable

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BMW 1 3 4 F20 F21 F30 F31 F32 N47N Diesel Alternator 180A 7823343 7823344

Part no. 7823344-1

BMW 1 3 4 F20 F21 F30 F31 F32 N47N Diesel Alternator 180A 7823343 7823344

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CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535

Part no. 9287535

CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535

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 BMW E90 E91 E92 CCC Navi  DVD System Controller 6981569

Part no. 6981569

BMW E90 E91 E92 CCC Navi DVD System Controller 6981569

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Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988

Part no. 6976988

Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988

Product currently unavailable

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Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085

Part no. A1698204085

Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085

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Mini R50 R52 R53 Fuse Box Housing Electrical Power Distribution Box 6906626

Part no. 6906626

Mini R50 R52 R53 Fuse Box Housing Electrical Power Distribution Box 6906626

Product currently unavailable

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Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180

Part no. 1508927-1

Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180

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Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

  • Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

  • Problems starting the engine.
  • Failure of safety systems such as ABS or airbags.
  • Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

  • Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
  • Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
  • Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

  • Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
  • Ecology – You support recycling and reduce waste by choosing used car parts .
  • Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

  • Regularly check the battery condition and charge level.
  • Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
  • Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

QuestionAnswer
What is a car electrical system?This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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