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. 1164130
BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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Part no. 7809000-3
BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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Part no. 9222855-1
BMW X5 X6 E70 E71 Navigation System Car Sat Nav Computer Head Unit CIC 9222855
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Part no. 6921414
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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Part no. A2469008819
Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Part no. 1K0035186R
Radio CD Player VW Volkswagen Golf 5 Passat B6 Head Unit 1K0035186R
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Part no. A2086900028
Mercedes W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028
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Part no. 6935667
BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Part no. FT1T14027LLC
Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Part no. A6421501500
Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU A6421501500 Automatic
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Part no. 7587548-6
Mini R55 R56 N14 1.6 174HP ECU Kit DME 7587548 CAS3 + Key Automatic
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Part no. A0009062302
Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Part no. 6983304
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 6983304
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Part no. 9675877980
Peugeot 3008 Body Control Comfort Unit Module BSI Fuse Box 9675877980
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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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Part no. 9267201
BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Part no. A6429002900
Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
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Part no. 9691854880
Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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Part no. 8582280-9
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Part no. 6925330
Central Bass Speaker BMW E81 E87 E90 E91 E92 Stereo Audio Right O/S 6925330
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Part no. 9249080-2
Footwell Module BMW E84 Light Control Unit ECU Lear FRM3R PL2 9249080
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Part no. A6401503733
Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Part no. A2059007218-1
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
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Part no. 7802471-1
Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Part no. 3457587
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Part no. 259151852R
Renault Trafic Display Screen Sat Nav Navigation Unit Dashboard 259151852R
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Part no. 7521122
BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Part no. 4F0907289G
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Part no. 8380407
BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
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Part no. 9116445
BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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Part no. 9130563
BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Part no. 7182396-1
Xenon Control Unit BMW X5 E70 E90 E91 LCI Adaptive Headlight 7189311
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Part no. 7823344-1
BMW 1 3 4 F20 F21 F30 F31 F32 N47N Diesel Alternator 180A 7823343 7823344
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Part no. 8587952
BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
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Part no. 8512499-3
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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Part no. 7239175
BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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Part no. 9141682
BMW 1 3 Series E81 E87 E87N E90 E91 Radio BMW Business CD 65129141682 9141682
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Part no. 8P4963553A
Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553A
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Part no. A2709060026-1
Starter Motor Mercedes W176 W246 Engine Starter Unit 12V Denso A6459060300
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Part no. 9272367
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Part no. A2085405706
Mercedes-Benz CLK W208 Front Left Right Door Wiring Loom Harness A2085405606
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Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Part no. 9340339-2
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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Part no. A6511503633
Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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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. 7N0959792J
VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Part no. A1695450046
Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619
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Part no. A0065427018
Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Part no. A6519060026-2
Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Starter A6519060026
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Part no. A0285454032
Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Part no. 5NA980611A
Volkswagen Golf 8 CD1 Wireless Phone Charging Center Console Module 5NA980611A
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Part no. 7613226-2
Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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Part no. 2240945
BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
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Part no. 9365764
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9365764
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Part no. 7230669
Trunk Lid Module BMW X5 E70 X6 E71 Control Unit Rear Tailgate Lift 7230669
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Part no. A2711540802
Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Part no. A6398201226
Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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Part no. 7557395
Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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Part no. 3453891-1
Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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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. 9118071
BMW 5 Series E60 E63 Radio M-ASK M-Audio System Controller CD Player 6944109
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Part no. A1649002901
Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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Part no. 9813237
Mini R60 Rear PDC Ultrasonic Parking Sensor Midnight Grey Metallic 9813237
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Part no. 240809677R
Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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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. 9204545
Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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Part no. 03E906033
VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
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Part no. 6821206
BMW F45 F46 F48 Battery Cable IBS Negative Battery Lead 6821206
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Part no. 8510829-4
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
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Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
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Part no. 9384570
BMW X1 Series F48 Wiring Driver's Side Door Cable Harness 9384569
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Part no. A2044401005
Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
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Part no. 4F0035053B-1
Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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Part no. 9187539-1
BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
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Part no. 5N0035342F
VW Volskwagen Polo 6R Multimedia Electronic Control Interface Module 5N0035342F
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Part no. A1669002307
Mercedes ML W166 PDC Parking Distance Control Unit Module Sensor A1669002307
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Part no. 51854902
Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Part no. 8635624-3
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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Part no. 9292248-1
Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Part no. A6429002900-3
Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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Part no. 2248296
BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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Part no. A0049820008
Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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Part no. 7545789-4
Mini R50 One 1.6i W10 90HP Engine ECU Kit DME + EWS3 + Key 7545789 Automatic
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Part no. 9259425
BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
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Part no. A2479004411
Mercedes V177 W247 Windshield Camera Driver Assists Front Camera A2479004411
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Part no. 9175652-1
BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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Part no. A1729011402
Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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Part no. 9159813
BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Part no. 7808073
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432
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Part no. 9119493
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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Part no. 8571905-2
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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Part no. 6822626
Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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Part no. 7583225-9
BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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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 .