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 E60 E61 525d 530d M57N Engine Control Unit ECU DDE 7802266 Automatic
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BMW F30 LCI 330e G11 740e G30 530e Hybrid B48X Engine Starter Motor 8643641
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Mercedes Citan W415 Renault Kangoo Body Control Module BCM Unit 284B13345R
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BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9274032
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Mini Cooper R61 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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BMW 1 Series E81 E87 LCI N43 118i 143HP ECU Kit DME 7621178 CAS3 Key Automatic
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VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E
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BMW 5 Series E60 E61 530d M57N2 Wiring Loom Harness Engine Manual 7802571
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BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148
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£MINI Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Mercedes-Benz W169 W245 CD Player Radio Audio Head Unit A1698204789
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Door Module Mercedes W213 C238 Front Left N/S Control Unit ECU A2139002022
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Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
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BMW F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596
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PDC Module BMW G30 G31 Parking Assistant Control Unit USS VA03 HIGH 9418460
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
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Mercedes-Benz S W221 Rear View Reversing Camera Video Unit Park A2218206397
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BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
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BMW E87 LCI E90 118d 318d N47 143HP ECU KIT DDE 7807828 CAS3 + Key Automatic
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BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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BMW E70 3.0d M57N2 235HP Engine Control Unit Module ECU DDE 7810950 Automatic
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BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME 7552176 CAS2 Key Automatic
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BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
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BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Automatic
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Part no. 7527610-3
Mini Cooper R50 W10 90HP Engine ECU Kit DME 7527610 + EWS + Key Automatic
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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BMW 5 Series E61 Touring Negative Battery Lead Wire Cable Ground 6947498
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Mercedes W209 A209 Convertible Windscreen Rain Light Sensor Module A2098204926
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BMW 5 Series E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE CAS 3 Key 8506199
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Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201
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Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6923877
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Mercedes W205 Ambient Color Light Module ECU A2229005118
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Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315094
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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 E87 E90 120i 320i N46 150PS Engine ECU KIT DME 7561834 CAS2 + Key Manual
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MINI One R50 1.6 W10 90HP ECU Kit Engine Control Unit DME 7527610 EWS Key Manual
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Mini One R50 1.6 W10 90HP Engine Control Unit ECU Kit DME 7557395 Manual
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Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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BMW X1 E84 Front Door Handle Bowden Pull Cable Wiring 2990415
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BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706
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Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
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BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
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BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key
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Audi A3 8P BCM Body Control Module Unit ECU 8P0907279K
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BMW E65 Navigation GPS DVD System Computer Unit 6959114
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069006102
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BMW E60 E63 E64 530i 630i N52 258HP ECU Kit DME 7546990 + CAS2 + Key Manual
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Audi A5 F5 Display Screen Dashboard Multifunction Monitor Unit 8W8919605
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BMW i3 i01 Battery Cell Module Supervision Circuit Control Unit 7648785
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BMW 5 Series E60 Light Control Unit Module LM II E6X MIT AHL Lear 9179186
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Battery Cable BMW X3 F25 X4 F26 Positive Plus Pole Lead 9321005
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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ECU Unit Mini Cooper R55 R56 LCI R60 Petrol N16 122HP Engine DME 7620987
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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YUASA 5000 12V Accumulator Battery 65Ah 640A HSB013
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Part no. 3457387
Mini Cooper R56 LCI Footwell Light Module ECU LOW EKS Lear PL3 FRM3R 3457387
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BMW 6 Series E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6956435
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 + Key Manual
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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Mercedes W204 S204 Airbag Module Air Bag SRS Control Unit ECU A2049013502
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Audi A1 8X Sat Navi Stereo Radio Audio MMI Head Unit CD Player Unit 8X0035193F
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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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Part no. 9215954-1
BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
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BMW E60 Light Control Unit Module LCM LM E6X MAN. LWR Lear 6983536
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
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Seat Ibiza 6J 1.2 TSI CBZB Radiator Fan Relay Module Control Unit ECU 5J0919506
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BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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VARTA RAC Accumulator Battery AGM 70Ah 760A 12V RAC011
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Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469001106
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Audi A4 B9 Central Information Display Screen CIC Navigation 8W2919604A
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Part no. 9387260
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Mercedes W211 Estate Trunk Lid Module Tailgate Control Unit Boot ECU A0355455432
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Mercedes W204 C220CDI OM646.811 170HP Engine ECU Kit A6461509372 2Keys Lock
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BMW 1 3 Series E87 E90 120d 318d 320d M47N2 Diesel Engine Wiring Loom Harness
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Part no. 6827064-5
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. A2129007104
Mercedes W212 SAM Module Control Unit Electrical Fuse Box Unit A2129007104
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Part no. 9154053
GPS Navigation Unit BMW E46 X5 E53 X3 E83 DVD System Computer Player 9154053
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Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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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 .