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. 6868194
BMW 3 Series E90 E91 LCI Mini R55 R56 Tyre Pressure RDC Control Unit Module
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CD Changer BMW E60 E61 E63 6-DISC Compact without Magazine 9131850
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Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6982114
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BMW 5 Series E60 PDC Ultrasonic Parking Sensor Silbergrau Silver Grey A08
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Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
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BMW E60 E81 E90 LCI Adapter Cable CIC System 9185171
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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BMW E60 X3 E83 E87 E90 Unit Glow Plug Module Diesel M47N2 7786821
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Mercedes Sprinter W906 Radio CD Player Audio Bluetooth Head Unit A9069005103
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506
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BMW E60 E61 E63 E81 E87 E90 Control Unit For Fuel Pump ECU 7203993
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Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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BMW 5 6 Series E60 M5 E63 M6 Rear Right O/S Brake Disc Protection Plate 6754630
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BMW F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700
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Part no. 9134662
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 9134662
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Part no. 7542529
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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BMW 1 3 E81 E87 E90 E91 E92 LCI Radio CD Professional Control Unit 9258170
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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Part no. 7599883
BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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Part no. 3456395
BMW Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456395
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Part no. 4F0907279
Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
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Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
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Part no. 8364530
BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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BMW E60 E61 Rear PDC Parking Sensor Orientblau Orient Blue 8019683
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Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6923547
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Mini R55 R56 Radio Boost CD Player Head Unit 3448827
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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407732
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BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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MINI Countryman R60 Control Unit Fuse Distribution Box SPEG High 9811672
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Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
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Battery Cable BMW F10 F11 X3 F25 Lead Negative IBS Wiring 9302356
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BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404
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BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 9175879
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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BMW 5 Series E60 E63 Radio M-ASK M-Audio System Controller CD Player 6944109
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Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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Part no. 6927271
BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Fuse Box Mercedes SLK R171 W203 W209 Front Relay Control Unit A2035400050
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BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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BMW 3 Series E90N E90 LCI ECU Body Control Module H1 61359187536 9187536
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Mercedes C118 W177 W247 Battery Box Trim Housing Cover Support A1776204201
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BMW 7 Series E65 E66 1 Rear Bumper PDC Ultrasonic Sensor Titansilber Silver 354
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Fuse Relay Mercedes C117 W166 W176 W205 X253 Black 4 Pin 12V A0009828023
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Radio Business CD BMW E81 E82 X1 E84 E87 E90 E91 E92 Audio Player 9177209
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Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075401850
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Part no. A2139068601
Mercedes W205 W213 Actuator Drive Exhaust Flap Control Unit A2139068601
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Part no. 9183564
BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478
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Mercedes ML W163 Engine Starter Motor A0051512901
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Part no. 6983305
BMW E87 Body Control Module Unit L2 ECU 6983305 61356983305
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Part no. 6971703
BMW E90 Radio Professional CD Player 65126971703 6971703
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Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
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Part no. 9812535
Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Part no. 6960792
Mini Cooper Cabrio R52 Convertible Folding Roof Module ECU 6960792
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Part no. 8570673
BMW F07 F10 Alternator Generator 221A Valeo N57N N57Z Diesel Engine 8570672
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Mercedes W176 Body Control Module BCM Control Unit ECU A1569005303
PLN 189.95
Free delivery - Thu, Jan 15
If paid before 14:00
Part no. 8573116
BMW 5 Series F10 F11 LCI B47 Cable Alternator Starter 8573116
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Part no. 04L907282
VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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Part no. 1389105
BMW E36 Relay Yellow 5 Pin 1389105
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Part no. 7604782-1
MINI Cooper S R55 R56 LCI R60 Alternator Generator 150A Petrol 7604782
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Seat Control Module BMW E60 X5 E70 ECU Seat Unit Controller 9184559
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BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734
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BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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Audi Q7 4L Fuse Box Relay Control Unit Module 7L0937503D
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
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Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
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Part no. 6920279
BMW Mini Cooper One R50 R53 Aerial Base Roof Antenna 6920279
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Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760
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BMW X5 3 Series E70 E90 Clamping Ring B+ Transition Battery Cable 6930006
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BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
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BMW X1 E84 Front Door Handle Bowden Pull Cable Wiring 2990415
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Mercedes W205 W213 Door Module Front Left N/S Control Unit ECU A1679002718
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BMW 1 Series E82 E88 Rear Bumper Wiring Loom PDC Harness 9182571
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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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 .