Automotive electrical systems
More informationAt 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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Part no. A1648200485
Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
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BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
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Part no. 3451528
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Battery Cable BMW E81 X1 E84 E87 Lead Negative 9123571
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Mini Cooper One R50 R52 Automatic Gearbox Transmission Signal Control Module
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Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600
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Part no. 04L903017A
Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
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Part no. 3451625
BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625
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Part no. 7209286
BMW E60 E61 E81 E87 E90 Control Unit For Fuel Pump ECU 7209286
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Part no. 7L0971225
Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
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Mini R55 R56 R60 R61 Roof Operating Unit Light Switch 3455632
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BMW E81 E87 E91 Steering Switch Cluster Cruise Control Stalk 9110894
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Radio Business CD BMW E81 E82 X1 E84 E87 E90 E91 E92 Audio Player 9177209
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Part no. 9229740
BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
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Part no. A2469000616
COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
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Part no. 6983018
BMW E90 Radio Professional CD Player 6983018 65126983018
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Part no. 9205962
Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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Part no. 9163348
BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Part no. 9217853
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
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Part no. 2650917
Ford Transit Connect Engine Alternator Generator Unit Diesel KK3T-10300-BB
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Part no. A2229009211
Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211
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Part no. 3457413
Mini Cooper One R56 High PL3 SPEG H4 Relay Fuse Distribution Box 3457413
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Part no. 9243919
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Part no. 9177209
Radio Business CD BMW E81 E82 X1 E84 E87 E89 E90 E91 E92 Radio 9177209
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Part no. 6C11-12A650-AK
Ford Transit MK6 2.4 TDDi Diesel Engine Control Unit ECU Manual 6C11-12A650-AK
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Part no. 7316145
BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Part no. 8661071
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071
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Part no. 03L903023L
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023L
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Part no. 9281517
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Part no. 9145439
BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
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Part no. 9224422
Bluetooth Control Unit BMW E60 E87 E90 Telematics Module ECU 9224422
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Part no. 6988104-1
BMW E39 E46 X5 E53 X3 E83 EWS IV Control Unit Modul 6988104
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Part no. 9324784
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
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Part no. A0009012604
Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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Part no. A0009010201
Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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Part no. A6519000601
Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601
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Part no. A2129005812
Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
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Part no. A2049060305
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049060305
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Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
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Part no. 6927931
BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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Part no. 9225824
PDC Module BMW E81 E82 E87 E90 E91 E92 Parking Distance Control Unit 9225824
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Part no. 7567107
BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition
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Part no. 9130879
BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975
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Part no. 6962671
BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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Part no. A0994644206
Mercedes X253 Steering Wheel Contact Switch Control Plate A0994644206
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Part no. A2035403533
Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
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Part no. 6922257
BMW 1 3 Series E87 E90 Sunroof Sliding Roof Drive Unit Motor Actuator 6922257
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Part no. 9253111
BMW F20 F21 F22 Positive Plus Pole Battery Blow Off Cable 9253111
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Part no. 059911021K
Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
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Part no. 6953044
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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Part no. 6906624
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624
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Part no. A1715450032
Mercedes SLK R171 PDC Parking Distance Control Unit Module Sensor A1715450032
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Part no. A0018276804
Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Part no. 8377415-1
BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Part no. 9210510
BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Part no. 9229241
BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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Part no. 06K907425B-16
VW Golf VII 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
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Part no. A2465400340
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
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Part no. A6429002700
Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700
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Part no. 7P5941591AD
Seat Leon Mk3 Headlight Module Left Right N/O/S Headlamp Ballast 7P5941591AD
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Part no. 9248179
BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
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Part no. 7519618
BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618
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Part no. 9229880
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880
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Part no. 7614585
Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585
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Part no. A1718204426
Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726
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Part no. 9227181
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359227181 9227181
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Part no. A2049009201
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201
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Part no. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
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Part no. 9381101
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9381101
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Part no. 9170706
BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706
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Part no. 9119491
BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491
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Part no. 9272002
BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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Part no. A2118706689
Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689
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Part no. 06D903016AB
Audi A4 B7 1.8 T BFB Petrol Engine Alternator Generator 06D903016AB
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Part no. A1648200385
Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385
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Part no. A2129008007
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129008007
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Part no. 6R0959655K
VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
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Part no. 7809000
BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual
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Part no. 8V0857273P
Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273P
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Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
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Part no. 8XA959655A
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Part no. 7641003-3
Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual
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Part no. A2719060200
Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200
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Part no. 6922801
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6922801
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Part no. A0061510501
Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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Part no. 7834495
BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Part no. 9666729580
Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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Part no. 02M911023A
Starter Motor Volkswagen VW Golf IV Bora Sharan Diesel Engine 02M911023A
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Part no. A1669056001
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Part no. 6801102
Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102
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Part no. 9273188
BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188
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Part no. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 6944108
BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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Part no. 7580279-14
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. 3456858
Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3456858
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Part no. 6934552
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552
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Part no. 7796125-1
BMW X5 E70 X6 E71 Alternator Generator 170A 170AMP 14V VALEO BM57N2 7796125
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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.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- 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:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, 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
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- 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
| Question | Answer |
|---|---|
| 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 .