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. A2098204189
Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D
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BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic
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Part no. 1508931
Mini Cooper S R53 Positive Battery Cable Plus Pole Wire 1508931
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124
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Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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Part no. 7515029-2
Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
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Part no. 5705AS-1
Peugeot Expert Citroen Berlingo Diesel Engine Alternator Generator 5705AS
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Part no. 8517874-1
BMW 1 Series F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM Manual
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Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
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Part no. 9302159
BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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Part no. A2049005903-1
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005903
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Mercedes W245 Front Bumper PDC Parking Distance Sensor Comet Grey - 748
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Part no. 6943833
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324
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Part no. 7542310-6
Mini Cooper S R53 W11 170HP Petrol Engine ECU Kit DME 7542310 EWS3 + Key Manual
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Part no. A6079002300-2
Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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Part no. A2035400050
Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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Part no. 8573258-1
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Part no. 03D906023Q
Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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Part no. 6936101
BMW 5 Series E60 Light Control Module Unit Lear LM E6X MAN LWR 6936101
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Part no. 8Y0035282B
Audi A3 S3 RS3 8Y Online Service Control Module Unit 8Y0035282B
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Part no. A0009056121
Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
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Part no. 9325653
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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Part no. 6935667-2
BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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Part no. 03C906027CF-1
Audi A1 8X 1.4 TFSI CAVG 185HP Petrol Engine ECU Kit Ignition + Key 03C906027CF
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Part no. 9270354
Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9270354
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Part no. 074906018BD
VW Volkswagen LT 35 BBF 95HP Engine Control Unit Module ECU 074906018BD Manual
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Part no. 9286780
Module BMW E82 Junction Box Body Comfort Control Unit 9286780
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Part no. 7P0927601
Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
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Part no. 8P7959655
Audi A3 8P Air Module SRS System Control Sensor ECU Unit 8P7959655
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Part no. A2098205489-1
Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Part no. A2048702826
Mercedes S204 Module Control Unit Trunk Lid Rear Tailgate Lift A2048702826
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Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Part no. 9193110
BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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Part no. 7789981-1
Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Part no. 8K0919475H
Audi A4 B8 A5 8T Parking Distance Control Module Unit ECU 8K0919475H
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Part no. 3457168
Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. A2115406445
Mercedes C219 Gearbox Electronic Control Unit Module A2115406445
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Part no. 5QA035858A
Seat Ibiza IV Multimedia Radio Sat Nav CD Player Head Unit 5QA035858A
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Part no. 06F903023P
Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P
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Part no. 7640132-3
BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Part no. 7557809-3
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Part no. 55568385
Vauxhall Corsa D 1.3 CDTI Z13DTH Diesel Engine Control Unit Module ECU 55568385
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Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Part no. 9159129
Head Unit BMW X3 E83 Z4 E85 Mini R50 DVD GPS Navigation System Computer 9159129
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Part no. 6961218-1
BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Part no. SPH-DA120
Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player
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Part no. 9281714
BMW F83 Camera Kafas Front Windscreen Camera 9281714
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Part no. A1718204226
Mercedes R171 Convertible Roof Top Control Unit Module ECU A1718204226
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Part no. 9369635
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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Part no. 8200798585
Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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Part no. 8581370
BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370
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Part no. 7583225-14
BMW E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Automatic
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Part no. 04L907282
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Part no. 9176953
BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Part no. 7599881-18
BMW E87 LCI E90 E91 118i 318i N43 143HP Engine Control ECU DME 7599881 Automatic
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Part no. 8U0959655D
Audi Q3 8U Air Module ECU Sensor Control Unit 8U0959655D
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Part no. 6946989
CD Changer Mini Cooper R50 R52 R53 6-Disc Multichanger with Magazine 6946989
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Part no. 9197162-1
BMW E88 Footwell ECU Xenon Light Control Module PL2 FRM II Lear 9197162
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Part no. 8X0959655B
Audi A1 8X Air Module Control Unit Sensor 8X0959655B
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Part no. 04L907309L
Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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Part no. 9257200
BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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Part no. 7798422
BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
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Part no. 8571905-4
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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Part no. 6943834-1
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 6943834
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Part no. 7806987-5
BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Part no. 1617246180
Battery Terminal Citroen Relay Peugeot Boxer Positive Fuse Box A878
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Part no. 3453634-1
Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3453634
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Part no. A2048700196
Radio Player Mercedes W204 COMAND Navi CD Head Unit A2048700196
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Part no. 6975688
BMW E64 Gateway Module Sensor Air Module Control ECU 6975688
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Part no. A2469067901-1
Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
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Part no. 9205480
BMW 1 Series E82 E88 Positive Battery Lead Cable Wiring 9205480
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BMW E65 E66 CD Audio System Controller Player MD 9125894
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Part no. CC11-199049-AA
Ford Transit Heat Shield Insulation Alternator Engine Cover CC11-199049-AA
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Part no. A2098203026
Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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Part no. 7515030-1
Mini Cooper S R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. 8794119
BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
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Mercedes-Benz E Class W211 Front Right Anti Roll Bar Clamp Bracket A2113231226
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Part no. A2139007939
Mercedes W167 W177 W247 Headlight Ballast Control Module Right O/S A2139007939
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Part no. A1715450901
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
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Part no. 6972678
BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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Part no. 4F0907468R
AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
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Part no. A2115401805
Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Part no. 8S0035021B
Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
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Part no. H1BB13D278AC
Ford Fiesta MK7 Front Headlamp DRL Light Lamp Control Unit Module H1BB-13D278-AC
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Part no. 6934607
BMW Z4 Series E85 Roadster Driver Side Door Cable Harness Wiring 6934607
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Part no. 9115360
BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Part no. 9237047-1
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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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 .