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. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
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ECU Saab 9-3 1.9 Tid Z19DTH Diesel Engine Control Module Unit Automatic 55566420
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Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 Key Manual
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Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
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Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139005427
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Volkswagen Beetle Golf Mk5 Radio Stereo Head Unit 3C8035195H
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Mercedes W415 109 CDI OM607.951 90HP Engine Unit Module ECU 237106319R Manual
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Bosch S4 010 Accumulator Battery 80Ah 740A 12V
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BMW F20 F21 LCI M140i B58 Gearbox Wiring Cable Aquamist Water Methanol 8631672
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Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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Distributor Box Mercedes W204 W212 W906 Front Block Control Unit A0045468240
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BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Adapter Lead Wire BMW F45 F46 X1 F48 Cable Active Air Flap Control 9319918
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Fuse Box Citroen Berlingo Peugeot Partner BSM Control Unit Module 9675878480
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BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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BMW E60 E90 E91 E92 LCI 335D 535d M57N2 Engine ECU KIT DDE 7809955 + CAS3 + Key
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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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Part no. 7792938
Land Rover Freelander L314 M47 2.0 Diesel Engine Unit ECU Automatic 7792938
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Mercedes R171 Air Module SRS Control Unit Crash Sensor ECU A1718207326
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Mercedes W204 Automatic Gearbox Transmission EGS Module Unit ECU A0005454616
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Part no. 3414376-1
BMW X3 E83 2.0d 3.0d Instrument Cluster Speedo Clocks Diesel Manual MPH 3414376
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 9266903
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Mercedes-Benz E-Class W207 Front Door Wiring Cable Harness A2075405405
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BMW Z4 E89 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789
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Renault Master III Radio CD Player Bluetooth Head Unit USB MP3 281156951R
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Part no. 6843893
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 6843893
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Part no. 6G9T-14B533-GL
Ford Galaxy Mk3 Door Module Front Left N/S Control Unit ECU 6G9T-14B533-GL
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Part no. A1718200726
Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726
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Part no. 7640004
Mini Cooper One R55 R56 Petrol N12 Engine Control Unit DME 7640004 ECU Manual
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Part no. 8XA035192A-1
Audi A1 8X Sat Navi Stereo Radio Audio MMI CD Player Head Unit 8XA035192A
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Part no. A1635400841
Mercedes W163 Battery Ground Earth Strap Cable Wiring A1635400841
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Part no. 8631727-2
Bmw X1 E84 20iX N20 184HP Engine Unit ECU Kit DME 8631727 CAS3 + Key Manual
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Part no. 8U0971067
Audi Q3 8U Radiator Fan Adapter Cable Harness Loom Wiring 8U0971067
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Part no. 7794952-1
BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
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Part no. 9877375
BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 9877375
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Part no. 7589971-2
ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Part no. 6934529
BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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Part no. 8570238
BMW E87 E90 F20 F30 Engine Starter Motor Actuator N47 N47N Diesel 8570238
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Part no. A2045402510
Mercedes-Benz C-Class W204 Front Left Door Wiring Loom Cable Harness A2045402510
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Earth Ground Cable BMW E60 E61 E63 N62N 540i 550i 650i Battery Starter Wiring
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Head Unit MINI F56 F55 F54 F57 F60 Radio DAB Multimedia MINI 2 9442458
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Part no. 5Q0959392E
Audi A3 8V Front Door Module Unit ECU Left N/S Passenger Side 5Q0959392E
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Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9267468
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BMW X1 F48 Catalytic Reduction System Module Unit 13264014
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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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BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148
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On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 1138730
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Part no. 06L903027
Audi Q5 FY Alternator Generator Valeo 2.0 TFSI 06L903027
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Part no. 7567178-15
BMW E87 E60 E90 330i 530i N52 258HP Engine Control ECU Kit DME 7567178 Automatic
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MIni Cooper R50 R52 R53 Display Screen Multimedia Navigation Sat Nav 6953547
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Part no. EXIDE-AGM-95AH
Exide Battery Start Stop AGM EK950 95Ah 850A Accumulator
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Part no. 03E906019M-1
Volkswagen Polo 6R 1.2 Petrol CGPB 60HP Engine ECU Kit 03E906019M BCM + Key
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Fuse Box Mercedes Sprinter W906 SAM Control Unit Module A9065452101
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Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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DAF 85CF Air Reservoir Tank Pneumatic Suspension System Tank Pump 1616331
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£MINI Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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Mercedes C292 GLE 350d 4-Matic OM642.826 Engine Control Unit ECU A6429004701
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Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Part no. 9147220-1
Control Unit BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module CAS3 9147220
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Part no. 9869883
BMW F15 F16 F45 F46 Body Control Module Domain Controller Unit BDC 9869883
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Part no. 4F0910223H
Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Part no. 9674290780
Airbag Module Citroen Berlingo Peugeot Partner Control Unit Sensor 9674290780
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Part no. A6421500972
Mercedes W639 OM642.990 120 CDI 204HP Engine Unit Module ECU A6421500972
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Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
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Part no. 7557395-19
MINI Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Keys Automatic
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Part no. 9315684
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9315684
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Part no. A1698204789
Mercedes-Benz W169 W245 CD Player Radio Audio Head Unit A1698204789
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Part no. 9645100680
Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 9645100680
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Part no. 6942637
BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Part no. 8X0915459
Audi A1 8X Positive Battery Overload Protection 8X0915459
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Part no. 3457402-3
Mini Cooper R57 Footwell Light Module High EKS PL3 FRM3R Lear Unit 3457402
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Part no. GXAE-26602
Guidosimplex GXAE-26602 Vehicle Mobility Control Unit Module ECU
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Part no. A0131545902
Alternator Generator Mercedes W211 S211 OM646 Diesel Engine 200A A0131545902
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Fiat Doblo 1.3 Diesel Multijet 90HP Engine Control Unit Module ECU 55246588
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Mercedes ML W164 C209 W211 C219 AMG Fuel Pump Control Module A0355400145
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Part no. 6944500
BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500
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Mercedes-Benz C-Class W204 CD Media Player Radio Audio 20 Phone A2048704590
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Part no. 8512498-4
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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BMW X3 E83 Navigation System Video Module Control Unit High 9147138
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BMW E89 Light Led Module Footwell Unit Lear FRM3R PL2 9241006
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Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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BMW Mini Cooper One R50 R52 Intake Silencer Air Filter Box 1477831
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Wiring Holder Mercedes W211 Cable Loom Harness Cover Channel A2115460580
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Mercedes C117 Drivers Door Wiring Harness A1175401205
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BMW F22 218d F30 F31 318d N47N 143HP Engine ECU Kit DDE 8579481 Key FEM Lock
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BMW F30 F31 F32 F33 Central Information Display Screen 8,8" Professional 9281688
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BMW E87 E90 Control Unit Box Closed Lid Cover Trim Bracket Diesel 7798141
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BMW F10 F11 F06 N57 Engine Wiring Automatic Gearbox Harness Loom Cable 8516710
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Part no. A6079000700
Mercedes W176 A180 CDI OM607.951 Engine Control Unit Module ECU A6079000700
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Part no. 7789980-1
BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Part no. 8586168
Engine Wiring BMW F20 F21 F30 120dX 320dX N47N Loom Harness Cable Module 8586168
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Part no. A6519003603-4
Mercedes Sprinter W910 314 CDI OM651.958 143HP Engine ECU Kit A6519003603 2 Keys
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Part no. 9136874
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9136874
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Part no. 06K903023G
Audi TT FV Engine Alternator Generator Electric 14V 150A 2.0 TFSI 06K903023G
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Part no. 3452217
BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness 3452217 3452220
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Part no. 6836746
Control Unit BMW F30 LCI 330e Hybrid KLE Convenience Charging Module ECU 6836746
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Part no. 9803916880
Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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Part no. 3457587-1
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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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 .