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. 9319918
Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918
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Head Unit MINI F56 F55 F54 F57 F60 Radio DAB Multimedia MINI 2 9442458
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BMW 3 5 Series E87 E60 E90 330i 530i N52 ECU Kit DME CAS3 Key 7567178 Automatic
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On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 1138730
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Fuse Box Mercedes Sprinter W906 SAM Control Unit Module A9065452101
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BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Mini Cooper R57 Footwell Light Module High EKS PL3 FRM3R Lear Unit 3457402
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645402601
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Part no. F20 F30 Display Screen Set
Display Screen BMW F20 F30 Navigation Infotainment System iDrive 8,8"
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BMW 3 5 7 X5 Series E38 E39 E46 E53 RDC Tyre Pressure Monitor Module 6759023
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BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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BMW F20 F21 F30 F31 Driver Assist ACC Lane Change Switch Button Panel 9268478
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Mercedes SLK 350 R171 272.963 272HP Engine ECU Unit A2721531679 Automatic
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9257200
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Amplifier BMW F20 F21 LCI M Mini F56 HiFi Harman Kardon Audio Booster 8729433
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Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485
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Part no. 8614276
BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049004714
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BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872
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Mercedes W203 C180 Kompressor M271.964 143HP Engine ECU A2711539079 Automatic
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BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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Part no. 7557395-20
Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 + EWS + Key
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Part no. rhd-7795461
BMW E60 E61 520d M47N2 Engine Wiring Loom Harness DDE Automatic 7795461
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Part no. 7559178-1
BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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Part no. 3450280
Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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Part no. 9398986
Rain Sensor BMW F40 Light Solar Bracket Holder Support Frame 9398986
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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Part no. 6827072-1
Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Part no. 6941803
BMW 7 Series E65 E66 E67 Control Unit Module Passive Go 6941803
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Mercedes Vito W447 Battery Crash Disconnection Control Relay N000000006984
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Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
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Part no. 4G9959107B
Audi A6 C7 Rear Boot Trunk Lid Tailgate Control Unit Module ECU 4G9959107B
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Part no. A0335455932
Mercedes Sprinter W901 W905 Immobilizer Control Unit Module ECU A0335455932
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Part no. 7579142-15
£BMW E81 E87 LCI 116i 1.6 Petrol N43 ECU Kit DME 7579142 CAS3 + Key Automatic
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Part no. A9060034199
Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Part no. 6914606
BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Part no. A2661531491-3
Mercedes W169 A180 M266.940 116HP Engine Unit ECU Kit A2661531491 Key Lock
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Part no. 9684613880
Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469007119
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Part no. A1779005104
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
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Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Automatic
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Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT
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Mercedes R171 Door Control Module Front Left N/S A1718206126
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BMW X3 F25 X4 F26 Navigation Sat Nav Radio Audio Head Unit 9282043
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Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU Kit A1569005000 Key Lock
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Part no. 9221135
BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09221135 9221135
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Part no. 9247397
Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9247397
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Part no. 7809941-9
BMW E60 LCI E90 325d 525d M57N2 197HP Engine ECU Unit DDE 7809941 Automatic
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Part no. A9068201989
Mercedes W639 W906 COMAND Navigation Head Unit Radio Sat Nav Screen A9068201989
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Part no. 7573029-1
Mini Cooper R55 R56 IBS Negative Battery Lead Cable 1 7573029
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Part no. A2661530391-1
Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Mini Cooper F56 B38C 1.5 136HP Engine ECU Kit DME 9897879 BDC Key Dual Clutch
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BMW 1 Series E82 E88 Rear Bumper Wiring Loom PDC Harness 9182571
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BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG
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Part no. 7545789-11
Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME 7545789 Automatic
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Radio CD Player Citroen Relay Peugeot Boxer Unit Fiat 250 VP2 DAB 07355857920
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Mercedes W169 Door Control Module Front Right O/S A1698208026
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BMW Z4 Series E89 AUX USB Lead Cable Wire 9303638
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BMW 6 Series E63 Body Gateway Module KGM HIGH LEAR 9118729 61359118729
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BMW E90 E92 330d 335d M57N2 Engine Injector Module Wiring Harness Cable 7796081
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Part no. A2219067200
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219067200
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Part no. 9270386-1
BMW E93 Body Control Module ECU Unit JBBFE IIIR H4 PL2RR 9270386
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Part no. 7810909-2
Mini Cooper D R55 R56 Diesel W16 1.6 ECU Kit DDE 7810909 CAS3 + Key Manual
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Mercedes W204 C180 BlueEFFICIENCY M271.820 156HP Engine Control Unit ECU
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Part no. 9197178
BMW 1 Series E88 Footwell Light Control Module ECU PL2 FRM II Lear 9197178
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Part no. 7641003
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual
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Part no. 6962720-1
BMW 6 SERIES E64 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6962720
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Part no. 7513244-1
Mini Cooper R50 R52 Control Unit Module Lever Gearshift Automatic Gearbox
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Part no. 7850599
BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599
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Part no. 7527610-8
MINI One R50 1.6 W10 90HP Engine ECU Kit DME 7527610 EWS Key Automatic
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Part no. A2661536379-1
Mercedes W169 A150 M266.920 95HP Engine ECU Kit Key Lock A2661536379 Automatic
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Part no. 3C0907503-1
Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
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Part no. RHD-8T2035666JX
Audi Q5 8R Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035666F
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Part no. 9197175
BMW 1 Series E81 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197175
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Part no. 7550688-4
BMW E87 E90 116i 316i N45 1.6 116HP Petrol ECU KIT DME CAS2 Key 7550688
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Part no. 89393773
Audi Q7 4L Headlight Module Ballast Control Unit 89393773
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BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Automatic
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Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Part no. 7557395-12
Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Automatic
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BMW 5 Series E60 E61 Battery Cable Lead Positive Underfloor 6927703
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Display Screen Volvo S60 V60 II Multimedia Navigation Dashboard Unit 31328247
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Part no. A6079002300
Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Part no. 7700433948
Renault Master Trafic Radio Stereo CD Player Head Unit 7700433948
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Part no. 7587465
IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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Part no. 6948920
BMW 5 6 Series E60 E61 E63 E64 Motorola Telematics Module Control Unit 6948920
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Part no. 6989782
BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Part no. 9387226
Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9387226
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Part no. 8574093-2
BMW F20 F30 120d 320d 184HP N47N Engine ECU Kit DDE 8574093 FEM Key Manual
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Part no. 9117532-1
BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532
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Part no. Starline 70Ah Accumulator-2
Starline 12V Accumulator Battery 70Ah 640A
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Part no. 9285508
BMW X5 X6 F15 F16 Power Battery Distribution Junction Box Control Unit 9285508
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Part no. A1718203626
Mercedes R171 Air Module Control Unit ECU SRS Module Trigger Device A1718203626
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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 .