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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Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6982395
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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Ford Transit Mk7 2.4 TDCi Diesel Engine Wiring Loom Harness Cables 6C1T12B637CG
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Audi Q2 GA Rear Centre Loudspeaker Subwoofer 81A035382
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Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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BMW 1 3 Series E88 E93 Mini Cabrio R57 Rollover Control Module Unit 9187933
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Mini One R56 N12 1.4 95HP Engine ECU DME Kit CAS3 + Key 7600020 Manual
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Audi Q7 4L A1 8X Negative Battery Cable Lead Monitoring Module 8K0915181D
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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
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Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
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Steering Wheel Module BMW X3 G01 X5 G05 G20 G30 Heating Control Unit 7857778
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Mini F55 F56 F57 Central Cover Information Instrument Radio 9367672
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BMW E90 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9390491
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BMW X5 E53 3.0i M54 Wiring Loom Harness Engine Automatic Gearbox 7531992
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Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
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Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006818
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Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479005517
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 Delphi 6919275
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BMW E60 E93 Mini Cooper R55 R56 R60 IBS Negative Battery Lead 9184204
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BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
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Audi A4 B8 Door Module Rear Left Right N/O/S Control Unit Module ECU 8K0959795C
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402
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Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
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SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
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Mercedes ML W164 Rear Control Unit Module Fuse Box SAM A1645401801
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Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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Mini Cooper One D W16 R55 R56 Engine Wiring Loom Harness 7808630 7795052
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Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
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BMW Mini R55 R56 R57 R58 R59 Rear PDC Ultrasonic Parking Sensor Reef Blue
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Mercedes W211 Xenon Headlight Level Control Module A0028202426
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Audi RS4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064JJ
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Volkswagen Transporter T5 Body Control Comfort Unit Module BCM 7H0959433B
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Audi S3 8Y Electric Front Bumper Wiring Harness PDC Loom Cable 8Y0971085A
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Seat Ibiza IV VW Touareg 7L Phaeton 3D Headlight Control Module Unit 7L6907357C
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MINI One D R50 W17 1ND Engine Wiring Loom Harness Module 7790365
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BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Engine Wiring BMW Z4 E85 E86 N52 Cable Loom Harness 7556886
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MINI R50 R52 One 1.6i 90HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R
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BMW F20 F21 LCI F30 F31 F32 F13 Electric Coolant Fan Motor Relay 130A 6836504
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Starter BMW E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor 7550975
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Relay Mercedes W166 Voltage Dip Protection Start/Stop Relay Module A0009820123
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Mercedes W639 Vito OM646.980 116HP Engine Module ECU Kit A6461507172 Key Lock
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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BMW G26 Reverse Rear View Camera 5A7F553
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BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
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Part no. 6904903
BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903
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Part no. 3453743
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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Part no. A2711541402-1
Alternator Generator Mercedes W203 W204 M271 Engine Valeo 120A 14V A2711541402
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Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
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Part no. 7584113-1
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 Key 7584113 Manual
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Part no. 8K0907801C
Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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Seat Leon FR 5F Dashboard Multimedia DIsplay Sat Nav Screen 5F0919606
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BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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ECU Engine Control BMW E81 E87 E90 LCI 118d 318d N47 Diesel DDE 7823422 Manual
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BMW E65 E66 E67 Rear Bumper PDC Ultrasonic Sensor Titan Silver
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Citroen Berlingo Peugeot Partner CD Player MP3 Radio Stereo Head Unit 9666968177
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Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Automatic
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BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049004714
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Audi A6 C8 MIB2 Multimedia Navigation Radio Control Head Unit 4K0035063D
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9221110
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Audio Amplifier BMW F20 F21 Mini F55 F56 Top Hifi Harman Kardon Unit 9353990
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Volkswagen VW Crafter Battery Lead Positive Cable Plus Pole Wiring VW9065400105
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021A
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Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Audi A7 4G Rear Door Control Module Unit ECU Left Right N/O/S 4G8959795H
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BMW F20 F21 F30 Air Module Control Unit 0285013626 9461918 9296494 6826983
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Mercedes W204 Navigation Radio Player Head Unit Hazard Seat Switch A2049009907
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
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Part no. 5N0971228
VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
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Mercedes ML W163 Alternator Generator A0001502550
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Mercedes C140 Battery Box Boot Storage Cover A1406934633
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Part no. 7533651-5
BMW E60 525i M54 192HP ECU Engine Control Unit Module DME 7533651 Automatic
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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 .