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. 7492035
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Part no. 6920279
BMW Mini Cooper One R50 R53 Aerial Base Roof Antenna 6920279
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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. 7492026-1
Headlight Control Unit BMW F20 F21 F30 LCI Module FLE2 7492026
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Part no. 6923970
BMW X5 Series E53 Rear Third Stoplamp Stop Lamp Brake Light White 6923970
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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. 9812535
Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Part no. 9264944
Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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Part no. 2241239-SGM
BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Part no. 03C903023S
Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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Part no. 7P6907357E
Seat Arona Headlight Head Lamp Range Control Unit Module ECU 7P6907357E
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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. 6960792
Mini Cooper Cabrio R52 Convertible Folding Roof Module ECU 6960792
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Part no. 6989068-PS
Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
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Part no. 9125030
Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i
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Part no. A1648701589
Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589
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Part no. 8588946-1
BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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Part no. 9132249
BMW 5 Series E60 LCI IBS Negative Battery Lead Cable Wiring Harness 9132249
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Part no. A0009061903
Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Part no. A1694402805
Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Part no. 9226331
BMW E87 LCI ECU Body Control Module Unit H2 9226331
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Part no. 8734740
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Part no. 9145026
BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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Part no. 7218339
Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339
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Part no. 6932006-1
BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Part no. 9185139
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Part no. A9064402341
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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Part no. 3453739
Mini R56 High SPEG DC/DC Fuse Distribution Box H3 3453739
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Part no. A6397600604
Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604
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Part no. A6549009900
Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900
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Part no. 1167294
Mini Cooper One R50 R52 Fresh Air Recirculating Actuator 1167294 6NN007626
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Part no. 3413318
BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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Part no. 7542529
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Part no. 6971703
BMW E90 Radio Professional CD Player 65126971703 6971703
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Part no. A6395450232
Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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Part no. 6977723
BMW E87 Light Module Control ECU Unit LCM Footwell Module PL2 FRMFA 6977723
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Part no. A0041518501-1
Mercedes W169 W245 Engine Starter Motor A0041518501
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Part no. BK2Q6M091AE
Ford Transit MK7 2.2 TDCi Diesel Glow Plug Wiring Loom Cable BK2Q6M091AE
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Part no. A6398201026
Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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Part no. A2218707493
Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Part no. A4479007706
Mercedes W447 Door Control Module Front Left N/S A4479007706
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Part no. A0255453332
Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
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Part no. 9249081
BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Part no. 6926795
BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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Part no. 9118469
BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Part no. 6939069
BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069
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Part no. 9230404
BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
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Part no. 8200900820
Renault TRAFIC 4 Pin Blue Relay Module Smart 8200900820
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Part no. 7559178-2
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 9174269
BMW F07 F10 F11 Speakers Amplifier Bracket Holder Mount Unit Module 9174269
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Part no. 8065118
Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118
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Part no. A2195406207
PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207
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Part no. A0365457032
Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
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Part no. 6933052
BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC
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Part no. A2469009802
Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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Part no. A1718600105
Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
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Part no. A2048982614
Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Part no. 6989078
BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Orientblau Blue
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Part no. A2479005807
Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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Part no. 9134483
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
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Part no. 7570488-1
Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
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Part no. 3456760
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456760
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Part no. 9345374
BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
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Part no. 6814596
BMW 1 2 3 4 Series F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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Part no. A6549003300
Mercedes W177 Glow Plug Relay Preglow Module Diesel OM654 A6549009900
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Part no. 8648003
BMW F20 F30 F31 LCI Earth Cable Battery Cable 8648003 12428648003
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Part no. 9452468
BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Part no. 237101754R
Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 237101754R Manual
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Part no. B6 787 5877
Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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Part no. 8612576
BMW X1 F30 F31 LCI Starter Motor Engine 8612576
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Part no. A6519003603-2
Mercedes Sprinter W907 314 CDI OM651.958 143HP ECU Engine Unit A6519003603
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Part no. 9329701
BCM Module BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Part no. 9247472
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
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Part no. 9283653
Front Apron BMW F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9283653
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Part no. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
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Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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Part no. 9258173
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Part no. A2139008309
Mercedes W213 Front Seat Control Unit Module ECU A2139008309
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Part no. A1729004004-1
Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004
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Part no. 7788680-4
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Part no. 6973036-1
BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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Part no. 7938196
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 7938196
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Part no. 9292707
BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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Part no. 6913080
BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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Part no. 6982395
BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6982395
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Part no. 6976157
BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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Part no. A6461541102
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Part no. A2125406250
Mercedes-Benz W212 SAM Fuse Prefuse Box Relay Control Unit A2125406250
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Part no. A0018209726
Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726
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Part no. 8K0971228AH
Audi A5 8T Positive Battery Lead Terminal Cable Wiring 2.0 TFSI 8K0971228AH
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Part no. 3456587-1
Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3456587
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Part no. 6774206
Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module 6774206
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Part no. 8W0907428C
Audi A4 B9 Camera Control Module Unit ECU 8W0907428C
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Part no. A2048207785
Mercedes W204 Rear Left Door N/S Control Unit Module A2048207785
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Part no. A2215403250
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215403250
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Part no. 7799470-1
Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470
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Part no. 8746829
BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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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 .