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. 2448166
Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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Mercedes W205 Air Module ICM SRS Control Unit ECU A2059009527
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BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i
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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Mercedes W221 S500 M273.961 388HP Engine Control Unit ECU Kit A2731532979 Key
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 6983843
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BMW E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700 Automatic
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Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
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BMW 1 3 SERIES E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio TeL 1682646
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Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007A
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Part no. 6953191
BMW 5 Series E61 Touring Diversity Aerial Antenna Suppression Filter 6953191
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Part no. 7561834-9
BMW E87 E90 E91 N46 120i 320i Engine DME 7561834 ECU KIT CAS2 + 2 Keys Manual
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Part no. BU3T-12B637-CCB
Peugeot Boxer 2.2 HDI Diesel Engine Wiring Cable Loom Harness BU3T-12B637-CCB
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Part no. 6801294
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Part no. 9110846
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Part no. A6519000603-1
Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
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Part no. A1699007400
Parking Sensor Mercedes W169 W245 PDC Distance Control Unit Module A1699007400
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Part no. 6868257
Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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Part no. A2478204102
Mercedes W907 Aux USB Port Socket A2478204102
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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Part no. A6519007401-4
Mercedes Vito W639 OM651.955 129HP Engine Control Unit Module A6519007401
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Part no. 9128184
BMW E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 9128184
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Part no. A9068205626
Door Module Mercedes W906 Front Door Right O/S Control Module A9068205626
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Part no. 9194064
Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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Part no. 3457426
Footwell Module Mini R56 LCI Light Low EKS ECU PL3 FRM3R Lear 3457426
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Part no. 7640015-1
BMW E81 E87 LCI N43 116i 2.0 122HP ECU Control Unit Kit DME 7640015 CAS3 + Keys
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Part no. 7553735
Mini Cooper R50 R52 DME Petrol Engine Control Unit ECU 7553735 Automatic
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Part no. 1T0971121AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC
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Part no. 8200404459-1
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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Part no. 4G0907637L
Audi RS6 C7 Acceleration Yaw Rate Sensor Module Control Unit ECU 4G0907637L
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Part no. 03P903023D
VW Seat Skoda Polo MK5 Diesel Engine Alternator Generator 140A 14V 03P903023D
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Part no. RHD-9322122
Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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Part no. 8R0907468F
Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
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Part no. A9065453001
Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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Part no. 9114356
BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
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Part no. 8J0907115N
Audi TT 8J 2.0 TFSI BWA 200HP Engine Control Module ECU Manual 8J0907115N
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Part no. AG9Q-10K019-AB
Ford Mondeo Mk4 Alternator Bracket 2.0 TDCi Mount Support AG9Q-10K019-AB
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Part no. 9289007
BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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Part no. A2469001317
Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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Part no. 6805061
BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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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. 9147221
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147221
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Part no. 7317512
BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Part no. A2239016902
Engine Sound Generator Mercedes W177 W213 GLC C253 Front Rear Unit A2239016902
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Part no. 3452677-2
Mini Cooper Cabrio R57 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Part no. A6398200942
Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
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Part no. A6395450191
Mercedes Vito W639 Positive Battery Terminal Cover Cap Trim Red A6395450191
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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. 6983539
BMW E61 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Part no. 9172364
BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Part no. A1635459032
Mercedes ML W163 Body Control Module Unit BCM ECU A1635459032
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Part no. 9308364
BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9308364
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Part no. 7790548
BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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Part no. E82 Wiring Loom Set PDC rear -1
BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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Part no. 7640004-4
Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Part no. 4KE907468F
Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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Part no. 8380407
BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Part no. 24011BB04A
Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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Part no. 3452226
BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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Part no. 9131852
Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Part no. 8T0959793J
Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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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. 4L0907282A
Audi A7 4G Q7 4L 3.0 TDI Glow Plug Pre Heat 651 Relay Unit 9 Pins 4L0907282A
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Part no. A9068201186
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201186
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Part no. A1645460161
Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161
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Part no. A2195450732
Mercedes CLS W219 Parking Sensor PDC Distance Control Unit Module A2195450732
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Part no. 9185532
BMW E87 LCI CCC CD Professional Navigation System Controller 9185532
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Part no. A6519006401
Mercedes GLC X253 220d 170HP 651.921 Engine Unit ECU A6519006401 Automatic
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Part no. BK3T18D815BG
Ford Transit MK8 Radio Head Unit Control Panel BK3T-18D815-BG
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Part no. 4154935
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65124154935 4154935
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Part no. A1645406501
Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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Part no. 1742690-2
BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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Part no. 7788680-3
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
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Part no. 7649090-1
Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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Part no. 7501738
BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
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Part no. 9172020
BMW E64 Convertible Airbag Module Sensor ECU Air Bag Unit 9172020
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Part no. 7L0937503D
Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
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Part no. E87 E90 Cable Aux 178cm
BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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Part no. 9110678
BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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Part no. 7589971-6
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Automatic
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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. A9065402727
Mercedes Sprinter W906 OM651 Engine Wiring Harness Cable Loom A9065402727
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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Part no. 03L906018CN
Audi Q3 8U 2.0 TDI 140HP CFFB Quattro Engine Control Unit ECU 03L906018CN Manual
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Part no. 9258278
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Part no. 6866454
VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6866454
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Part no. 4F0051510Q
Audi A5 8T A6 C7 USB Adapter Port Socket Connector Cable Wiring 4F0051510Q
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Part no. 8674260-1
BMW F46 218i B38 136HP Engine Control Unit ECU Kit DME 8674260 FEM + Key Manual
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Part no. A2469008510
Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
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Part no. 8K0971104F
Audi A4 B8 Rear Wiring Loom PDC Harness Parking Sensor 8K0971104F
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Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 9317119
BMW F01 F02 F04 F25 Amplifier Unit Top Hifi Audio 9317119
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Part no. 6881300
PDC Module BMW F45 F46 I01 Mini F55 F56 Parking Assistant Control Unit 6881300
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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 .