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. 9261606
BMW 1 2 F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Mineralweiss White A96
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Part no. A0009820012
Mercedes W176 W212 W246 Voltage Converter Power Distributor Inverter
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VW Volkswagen Sharan Front Door Left Right N/O/S Speaker Loudspeaker 7N0035454A
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Part no. 7567119
Ignition Wiring Harness Mini Cooper One R55 R56 R57 Injection Valve 7567119
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Part no. 5Q0915181J
Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J
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Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Part no. 7802928
BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Part no. 6945898
Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898
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Part no. 3450192
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3450192
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Part no. 7515030-1
Mini Cooper S R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. 7515390
BMW X3 Z4 E39 E46 E60 E65 E83 E85 Petrol M54 Starter Motor 7515390
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Part no. 6989160-BS
BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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Part no. 9145115
BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
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Part no. A1665420018
Battery Cable Mercedes W176 Negative Lead Wiring Harness Control A1665420018
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Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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Part no. 7189312
BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module
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Part no. 9119445
BMW E81 E87 E90 E91 Power Distribution Fuse Box Front 9119445
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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. 6921593
MINI Cooper One R50 R53 Wave Radio Cassette Headunit Tape Player 6921593
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Part no. A1698700689
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
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Part no. 6989210
BMW 5 Series E60 E61 LCI Rear Bumper PDC Ultrasonic Sensor Interlagos Blau Blue
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Part no. A1775407932
Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932
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Part no. 9259425
BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
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Part no. 6925936
BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936
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Part no. E81 E87 Wiring Loom Set PDC rear
BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 6989241
BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Part no. 9151864-1
HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734
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Part no. 9123041
BMW E88 E90 E92 Steering Switch Cluster Column Indicator Wiper Stalk 9123041
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Part no. 7797660
Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Part no. 0148459-CHRED
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Chili Red - 851
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Part no. 7426095
BMW F10 F20 F30 F32 Fuel Pump Control Module Unit 7426095
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Part no. 7490465
BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
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Part no. 6963338
Body Control Unit BMW E46 Z8 E52 E83 Module GM5 Star12 LIN High 6963338
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Part no. 6923305
BMW E60 Rear Lamp Light Bulb Left N/S Carrier For White Turn Indicator Cover
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Part no. A1769051600
Mercedes W176 Front Pressure Impact Crash Sensor Unit Module
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Part no. 6906347
BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347
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Part no. A2478204102
Mercedes W907 Aux USB Port Socket A2478204102
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Part no. 7787354
BMW X3 E46 E60 LCI E83 E87 Starter Motor 2.0KW Diesel M47N2 7787354
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Part no. 02M911024C
Volkswagen Tiguan 5N Engine Starter Motor 02M911024C
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Part no. 7788327-1
BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module
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Part no. 6765705
BMW E60 E81 E87 E90 E91 LCI Fuel Pump Module Control Unit ECU 6765705
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Part no. 9229740
BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
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Part no. 8516246
BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246
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Part no. A0051512101
Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
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Part no. A9069001002
Mercedes Sprinter W906 Parking Control Unit Module Sensor PDC A9069001002
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Part no. A0035422819
Battery Relay Mercedes W176 W246 W447 Cut Off Module Control Unit A0035422819
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Part no. 3450937
Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450937
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Part no. 7591534
BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. A4479063000
Mercedes Vito W447 Heater Blower Motor Fan Resistor A4479063000
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Part no. A0009057802
Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Part no. 6938504-1
Positive Battery Lead BMW E90 E91 E92 E93 Battery Wiring Harness Cable 6938504
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Part no. 6982402
BMW E81 E84 E87 E90 E91 Parking Module Control Unit PDC 6982402
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Part no. 6905667
BMW E46 E53 E83 EWS 3 III ECU Immobiliser Ignition Control Unit Module 6905667
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Part no. A6397601704
Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Part no. A0025428319
Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319
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Part no. A0061510301
Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
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Part no. 4F0915519
Volkswagen Polo Touareg Audi A4 A6 A7 A8 Battery Overload Protection 4F0915519
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Part no. 9131779
BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779
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Part no. 3453587
BMW X3 E83 LCI N47 Diesel Cable Alternator Starter Base B 3453587
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Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
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Part no. 9111718
BMW 1 3 Series E81 E87 E90 Hands-Free Electronics Charging Module MULF 9111718
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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. 6942461
BMW 3 Series E91 E92 E93 Hifi Speaker Tweeter Rear 6942461
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Part no. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Part no. 6975013
BMW E90 Radio CD Player Professional 6975013
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Part no. A9064461442
Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
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Part no. 252301716R
Renault Trafic Vauxhall Vivaro Relay 4-Pin Blue Unit 252301716R
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Part no. 7531992
BMW X5 E53 3.0i M54 Wiring Loom Harness Engine Automatic Gearbox 7531992
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Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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Part no. 2622598
BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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Part no. 6916097
BMW X5 E53 E65 Bulb Parking Light Headlight Front Lighting 12V 10W
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Part no. 6918816
BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
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Part no. 6793163
BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
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Part no. 6971961
BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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Part no. 7788680-2
BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Part no. 8516259
Engine Wiring BMW F20 F30 LCI 118d 318d B47 Loom Harness Cable 8516259
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Part no. A0065424218
Mercedes Sprinter W906 Turn Rate Sensor Module Control Unit A0065424218
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Part no. 7276383
Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7276383
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Part no. 9240530
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9240530
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Part no. 6988104-1
BMW E39 E46 X5 E53 X3 E83 EWS IV Control Unit Modul 6988104
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Part no. 6801102
Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102
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Part no. 9229878-1
BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878
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Part no. 9161931
BMW E46 E83 Basic Body Control Unit Module GM5 Star12 9161931
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Part no. 9315096
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096
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Part no. A0009063822
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. 8T0919603F
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603F
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Part no. 1477831
BMW Mini Cooper One R50 R52 Intake Silencer Air Filter Box 1477831
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Part no. A0009067900
Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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Part no. A0045468240
Distributor Box Mercedes W204 W212 W906 Front Block Control Unit A0045468240
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Part no. 6929760
Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760
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Part no. 7209286
BMW E60 E61 E81 E87 E90 Control Unit For Fuel Pump ECU 7209286
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Part no. 6942912-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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Part no. 7182396
BMW X5 E70 E90 E91 LCI Control Unit Xenon Adaptive Headlight 7189311
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Part no. 7530354
Mini Cooper R50 R52 Power Steering Pump Power Cables 7530354
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Part no. 6983018
BMW E90 Radio Professional CD Player 6983018 65126983018
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Part no. 3412531
BMW X3 E83 Light Lamp Switch Wiring Wire Cable Plug 3405795
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Part no. 9329700
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329700
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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 .