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. A0009010201
Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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BMW 3 Series E91 Light Module ECU Footwell Module PL2FRMFA Lear 6987998
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BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
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BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779
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Audi A3 8V Front Door Module Control Unit Module Right O/S ECU 5Q0959592E
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BMW X3 Series E83 Wiring Drivers Side Loom Front Door Cables Right O/S 3427743
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Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
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BMW E60 E61 Positive Battery Cable Plus Pole Lead 61129127768 9127768
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BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Ford Transit Custom 2.2 TDCi Glow Plug Wiring Loom Cable Wire CK2T-6M091-AD
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Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
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Part no. E87 Wiring Loom Set PDC rear-1
BMW 1 Series E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
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iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
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BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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Mini R55 R56 Manual Transmission Gearbox Gearshift Actuator Unit GS6-55BG
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BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A1669008506
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BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna 3442123
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Part no. 8574351-3
BMW X1 E84 18d 18dX Diesel N47N 143HP Engine Unit ECU DDE 8574351 Automatic
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BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
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ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864
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Part no. A0009067900
Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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BMW 1 3 Series E81 E87 LCI E88 E90 M3 E92 Speed Cluster Sensor 6780334
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BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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Part no. A2048708826
Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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Part no. CC11-12A650-AB
Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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Part no. 9263800
BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
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Part no. 7304593
Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Part no. 8K0907064CQ
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064CQ
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Part no. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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Part no. 9247472-1
BMW E91N LCI ECU Body Control Module Junction Box H2 9247472
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Part no. 7586134-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual
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Part no. 8K0907063BE
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063K
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Engine Wiring BMW F20 F30 LCI 118d 318d B47 Loom Harness Cable 8516259
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BMW 3 5 Series Mini Cooper E60 E93 R55 R56 R60 IBS Negative Battery Lead
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Mercedes ML W164 W204 W211 CLS C219 Acceleration Sensor Module Unit A0045423518
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Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
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BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Part no. 03D903025J
Seat Ibiza Skoda Fabia Volkswagen Polo Mk5 6R 1.2 Petrol Alternator 03D903025J
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Part no. 9315685
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685
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Part no. 4H0907063CF
Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
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Part no. 6901469-1
2X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 9368383-1
BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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Part no. A0028202426
Mercedes W211 Xenon Headlight Level Control Module A0028202426
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Part no. A2035402206
Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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Part no. A0009067500
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
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Part no. 9351679
BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351679
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Part no. 6946363
Mini Cooper One R52 Cabrio Body Control Unit Basic Module BCM 6946363
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BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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Audi Q2 GA 35 TFSI DXDB Petrol Starter Motor Manual 02M911022F
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Part no. 9274570
BMW F20 Head Unit Navigation GPS Sat Nav Infotainment DAB High F10 F30 9274570
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Part no. A2129001327
Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327
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Part no. 9119427
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
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Part no. 6888037
BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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Part no. A9064409913
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064409913
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Part no. 3423829
Mini Clubman Cooper R55 Antenna Amplifier Diversity Signal Booster 3423829
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Part no. 9230046
BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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Part no. 9263800-1
BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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Part no. 9249404
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404
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Part no. A2118705426
Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
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Part no. 6827064
BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 1489994
Mini R50 R52 Starter Motor Engine W10 0,9KW Bosch Actuator 1489994
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Part no. 6786139
BMW 5 7 Series E60 E65 Control Unit Dynamic Drive Front Axle Suspension
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Part no. 7176068-2
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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Part no. 9345330
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9345330
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Part no. A2049005908-2
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Part no. A6399003200
Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
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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. 7614083
BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083
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Battery Relay Mercedes W176 W246 W447 Cut Off Module Control Unit A0035422819
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BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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BMW Z4 E89 Power Distribution Box Control Unit Module With Fuse 9192124
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BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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Part no. 5Q0959593B
Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
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BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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Mercedes W205 W217 W222 Tailgate Trunk Control Module Unit A2229006008
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Part no. 8T0959760C
Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
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Roof Light Mini R55 R56 R60 R61 Operating Control Unit Switch 3455632
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Part no. A2119820402
Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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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. 3456946
Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9270726
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Part no. A2059007845
SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
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Part no. 8E0907279N
Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Part no. 9134707
BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707
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Part no. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
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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 .