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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BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 9119707
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Audi A5 8T 2.0 TFSI Starter Motor Engine 079911023D
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Mercedes Sprinter W906 Radio Player Stereo Audio Head Unit A9069001203
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BMW E61 Body Control Module Unit ECU BCM KBM High 6957529
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Mini Cooper R60 Countryman High PL3 SPEG H6 Fuse Distribution Box 9809381
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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BMW 5 6 E60 E63 LCI Radio CHAMP Professional CD Player System Controller 9149229
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Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508
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Land Rover Range Rover L322 3.0d M57 306D1 Gearbox Control Unit Module TGB000091
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Mini Cooper R56 Automatic Gearbox Basic Control Unit EGS 7574294 7571340
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6870360
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Volkswagen VW Golf V 1.6 TDI Diesel Engine Starter Motor 022911024K
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Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401
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Mercedes-Benz A-Class W176 Brake ABS Pump Holder Bracket Mount A2464300210
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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BMW E65 Control Unit Power ECU Module 6921566 6943489 6935431 6957026
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Mini Cooper One R50 Heat Resistant Battery Box Cover 6915175
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Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R 6827065
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MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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BMW 5 7 Series 1 E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Lucas LRA02970
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Mercedes W211 W219 Radio CD Player COMAND Sat Navigation Head Unit A2118203297
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Earth Ground Cable Mercedes Vito W447 Negative Battery Lead Wiring A4479050104
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Gearbox Module Mercedes S203 W203 C200 Automatic Control Unit ECU A0325453232
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Mercedes W176 W246 USB Interface Multimedia Adapter Connector A1728201700
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BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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BMW 1 Series F40 MINI F56 F57 F60 Control Unit Box 8581370
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BMW Mini Cooper One R50 R53 Fuse Box Cover Black 1480793 61131480793
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BMW E60 E61 Doors Wiring Loom Harness Co-Drivers Passengers Side 9120773
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BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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BMW F20 F21 F30 LCI M140i 340i B58 Wiring Harness Motor Sensorsystem Module
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
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Part no. 8K0907063B
Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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Air Module ECU Mini F54 F55 F56 F57 F60 Crash Control Unit Module 9484304
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BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
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Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000
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Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
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BMW E65 E66 Battery Cable Positive Plus Pole 6904905
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Bosch Engine Starter Motor 0986018830
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Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866
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Mercedes ML W164 Fuse Box Relay Control Unit Module A1645403272
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Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic
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BMW E87 E90 116i 316i N45 116HP Petrol ECU Kit DME 7545046 CAS 2 + Key Manual
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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Part no. 9193747
BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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Part no. A1679008711
Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906614
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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
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Starter Generator BMW i3 I01 Hybrid 60Ah 94Ah 120Ah Rex Petrol Engine 7625712
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BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
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Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
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BMW E91 Light Control Module ECU PL2 FRMFA Lear 61359128183 9128183
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BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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Central Gateway Module BMW F10 F11 F12 ECU Control Unit Lear ZGW-02 High 9284420
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Part no. 9138448
BMW E87 E90 E91 E92 CCC CD Professional Navigation System 9138448
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Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Amplifier BMW F06 F13 Antenna Amplifier Diversity 868 MHZ 9346795
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BMW X5 E70 Footwell Light Control Module Unit LEAR PL4 FRM II 9176824
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Audi A5 8T Engine Alternator Generator 14V 140A Bosch 2.0 TFSI 06H903016L
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Battery Terminal Citroen Relay Peugeot Boxer Positive Fuse Box A878
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Audi TT 8J Coupe Roadster Convertible Roof Control Module ECU 8J7959255B
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Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
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Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707
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Audi A4 B8 Door Wiring Harness Loom Front Left N/S Cabling 8K0971030M
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Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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BMW 1 3 Series E81 E87 LCI E90 N47 120d 320d 177HP ECU Kit DDE 7811700 CAS3 Key
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215403250
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Mini Cooper R56 LCI N16 1.6 Petrol Engine ECU Kit DME 7607685 + CAS 3 + Key
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BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
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BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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BMW 3 5 E34 E36 1 Windscreen Wiper Wash Wi-Wa Control Unit Module ECU 8366381
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module 8T0035223
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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 .