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. 9286882
BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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Mercedes ML W164 Radio Player Audio Stereo CD Player Head Unit A1648202679
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BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9267205
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BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6914655
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BMW X5 E53 3.0d M57N 218HP ECU Kit DDE + EWS3 + Key 7794626 Automatic Gearbox
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BMW F30 F32 LCI F36 335dX 435dX N57Z 313HP Control ECU DDE 8586536 Automatic
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Telematics Module BMW E81 E87 E90 E91 E92 LCI Combox Navigation 9234942
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
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Mini Cooper One R57 PL3 SPEG H4 Fuse Distribution Box 3457415
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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BMW E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912
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BMW Z4 E89 Cabrio Key Reader Ignition Lock Remote Control 9176681
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Part no. 3456089-1
Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 9389856
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Part no. 6945073-1
BMW 3 Series E90 E90N E91 E91N E92 E92N Bracket CD-changer holder in boot 694507
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Part no. 6860385
Control Unit BMW F01 F02 F07 Air Suspension Control Module ECU 6860385
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Part no. A2711500391
Mercedes W204 C180 M271.820 156HP Engine ECU Kit A2711500391 Key Lock Automatic
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Part no. YUASA-5000-80AH-ACCUMULATOR
YUASA 5000 12V Accumulator Car Battery 80Ah 740A HSB096
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Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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Part no. 9329701-2
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Part no. A0009003210
PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009003210
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Part no. 7585946
Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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Mercedes W177 Dash Monitor Display Speedo SAT NAV Virtual Cockpit A2479008311
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Part no. 5A38AB8
BMW G20 G80 G82 Amplifier Harman Kardon Booster Audio ECU Unit Module 5A38AB8
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Part no. 6C0959653
VW Polo 6R Seat Ibiza 6J Clock Spring Steering Column Squib Ring 6C0959653
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Part no. 6806755
BMW AGM Car Battery 12V 92Ah 850A 6806755
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Part no. Bosch S4 008 74Ah Accumulator-1
Bosch S4 008 Accumulator Battery 74Ah 680A 12V
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Part no. 8715335
BMW X3 G01 Dashboard Monitor Nav Onboard Central Display Screen 10,25" 8715335
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Part no. 8K0907064GE
Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Part no. 6942692
BMW X5 Series E53 Light Check Module Control Unit ECU Lear Xenon LCM IV 6942692
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Part no. 7565300-1
BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Manual
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Part no. 6913155
BMW 7 Series E65 E66 Rear Left Door Module Wiring Loom Harness N/S 6913155
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Part no. rhd-8508685
BMW 3 Series E92 E93 LCI 320d N47N Engine Wiring Loom Harnes Automatic 8508685
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Part no. 8615264
BMW F20 F21 F30 F31 LCI Device Holder Electronics Box 8615264
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Part no. 7553735-6
MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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Part no. 8J0035193D
Audi TT 8J Centre Console Multimedia Navigation Control CD Player 8J0035193D
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Part no. 9344044
Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044
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Part no. rhd-A1715400182
Mercedes SLK R171 Fuse Box Cover Trim Panel Lid Housing A1715400182
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Part no. 9232534
BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Part no. 9363557
Mini F55 F56 Central Cover Information Instrument Radio 8,8" 9367675
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Part no. 2180149-1
BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149
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Part no. 7803372-4
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Part no. 7810001
BMW 1 3 Series E81 E87 LCI E90 N47 Diesel Engine DDE ECU Control Unit 7810001
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Part no. 6907395
BMW X5 Series E53 Electrical Power Distribution Fuse Box 6907395
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Part no. 7561834-3
BMW E87 E90 N46 118i 318i 129HP ECU KIT DME CAS2 + 2 Keys 7561834 Manual
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Part no. 8510829-7
BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE 8510829 + CAS3 + Key Automatic
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Part no. A0019822708
Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708
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Part no. 7545789
MINI Cooper R50 R52 R53 W10 116HP Engine ECU Control Unit DME 7545789 Manual
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Part no. 7180829
Headlights Control Module BMW E81 E82 E87 Adaptive Xenon Unit ALC 7171789
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Part no. 9371386
BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
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Part no. 6989112-SCH
BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668
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Part no. 7565300-10
BMW E87 E90 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Automatic
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Part no. A2129009705
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. A2059002211
Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211
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Part no. 9324781
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324781
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Part no. 8200635663
Vauxhall Movano A 2.5 CDTI G9U 650 Engine Module Unit ECU 8200635663 Manual
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Part no. A0009050110
Mercedes-Benz S-Class W221 Blind Sport Radar Sensor Left Right N/O/S A0009050110
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Part no. 9166708-2
BMW 1 Series E87 LCI Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 9194841-1
Mini Cooper R55 R56 R57 Harman Kardon HiFi Stereo Audio Speaker Set
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Part no. 9180756-1
BMW E60 LCI Saloon Light Control Module Unit Lear LM II E6X LWR 9180756
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Part no. 8517015
BMW X5 E70 X6 E71 30dX Diesel N57 245HP Engine Control Unit ECU DDE 8517015
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Part no. A0025422619-3
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
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Part no. A2469009916
Mercedes W176 W246 Navigation Head Unit CD Player Radio Infotainment A2469009916
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Part no. 03G906056S
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
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Part no. 9266385-1
BMW F10 F11 On-Board Screen Central Information Display Monitor 10,25" 9266385
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Part no. A2219008401
Mercedes-Benz S-Class W221 Multifunction Display Screen Control Unit A2219008401
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Part no. 9875930
BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
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Part no. 7801710-2
BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Part no. 9283428
BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9283428
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Part no. A2079004400
Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400
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Part no. A1769051600
Mercedes W176 Front Pressure Impact Crash Sensor Unit Module
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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. A2478204102
Mercedes W907 Aux USB Port Socket A2478204102
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Part no. A0009057802
Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Part no. 6923511
BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 6923511
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Part no. 8610484
BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual
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Part no. 7640005-3
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Part no. 8605898
Mini Cooper R56 LCI Engine N16 Wiring Loom Harness Injection Valve Ignition
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Part no. 9273182-1
BMW X5 E70 Navigation System Car Computer CIC DAB X6 E71 9273182
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Part no. A1715451901
Mercedes SLK R171 Fuse Box Rear SAM Relay Control Unit Module A1715451901
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Part no. A9069006303-1
Mercedes W906 Fuse Box SAM Module Control Unit ZGS Temic A9069006303
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Part no. 9128184-1
BMW 1 Series E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 9128184
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Part no. 9240077
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
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Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
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Part no. 9166376
BMW X3 E83 Z4 E85 CID Control Unit CD Player Radio Audio System 9166376
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Part no. 8T0919603A
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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Part no. A2129006724-1
Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Part no. AJ9500R
Radio Tape Player Jaguar XJR XJ6 X300 Audio Control Unit Cassette AJ9500R
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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. 7583225-12
BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
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Part no. A2219009603
Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Part no. A6519007500-4
Mercedes W204 C250 CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
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Part no. 9274021
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9274021
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Part no. 9227172-1
BMW X5 E70 ECU Body Control Module Unit Junction Box PL4 JBBFEIII R 9227172
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Part no. A2035453801
Fuse Box Mercedes W203 C209 Rear SAM Module Relay Control Unit A2035453801
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Part no. A2125400450
Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
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Part no. 8E0919283D
Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Part no. rhd-8507738
Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable Automatic 8507738
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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 .