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. 3456089-1
Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna Rod Unit 3456089
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Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP
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Led Indicator Module BMW F32 F33 F36 F80 F82 F83 Light Signal Blinker 7493232
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Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Mercedes W176 W246 Parktronic Parking Control Unit Module ECU A2469005010
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Control Unit ECU DDE 8573258 Manual
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Mercedes W204 Navigation CD Player Radio Sat Nav Head Unit A2049004711
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Mini R57 LCI Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456588
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BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
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VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Manual
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109
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Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102
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Audi Q3 8U Amplifier BOSE Premium Audio Sound System Module 8X0035223D
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Audi S3 8Y 2.0 TFSI Starter Motor Engine Petrol 02E911022H
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Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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Audi Cable Adapter iPod Connection 4F0051510K
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BMW 5 6 Series E60 E61 E63 E64 LCI CD Changer Cartridge Magazine 9129433
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Mercedes C209 200 Kompressor 271.940 163HP Engine ECU Kit A2711530691 Key Lock
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BMW 1 Series E82 E88 Positive Battery Lead Cable Wiring 9205480
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VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
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Audi A4 B8 2.0 TDI Alternator Generator 03G903016G
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KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
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BMW G20 Axle Differential Module Control Unit ECU 5A11E72
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BMW F45 i8 Mini F60 B38 B38X Hybrid Engine Alternator Generator 7649390
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Volkswagen Tiguan 5N Air Module Control Unit ECU Module 5N0959655A
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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MULF2 Module BMW E60 E87 E90 E91 Hands-Free Electronics Charging Unit 9226711
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BMW Z4 E89 Central Information Display Dash Screen Navigation Monitor 9282022
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Mini Cooper SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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BMW F13 M6 NBT EVO HU Multimedia MMI Sat Nav Display CD Player Head Unit 2448971
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Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
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PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
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BMW E60 E61 MINI R50 Rear Bumper PDC Ultrasonic Sensor Hyper Blue
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Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J
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Audi A4 B9 Tow Bar Trailer Towing Control Module Unit 4E0907383J
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Part no. 7543083-3
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Vauxhall Vivaro B Radio Stereo Head Unit Mount Bracket Holder Support 93867998
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Mini Cooper F56 Wiring Driver's Loom Front Right O/S Door Cables 9338910
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BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
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Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
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Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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Audi Q5 8R 2.0 TDI Alternator Generator 14V 180A Valeo 03L903016A
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BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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Mercedes Vito W639 2.2 CDI 651.940 4-Matic ECU Kit Engine A6511501879 Key Lock
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Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213
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Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
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Mercedes W204 Navigation Radio Player Head Unit Hazard Seat Switch A2049009907
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Mercedes W447 Door Module Front Left Control Unit A4479007906
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Engine Wiring Renault Trafic 2 Loom Module Harness Cable 275850906R
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BMW E93 Convertible Rear Bumper PDC Cables Wiring Loom Set 9133625
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Chrysler Grand Voyager Automatic Gearbox Control Module Unit ECU P04727535AC
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Part no. 7589971-11
Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Audi A5 8T Steering Wheel Air Module Driver's Side 8E0880201DH
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Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
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BMW X5 Series E53 Rear Third Stoplamp Stop Lamp Brake Light White 6923970
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Part no. 9273187-1
Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187
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Mercedes EQA H243 Relay High Voltage Performance DC 250 A Contactor A7899823000
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Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit
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BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. 6927310
BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
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BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
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GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
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Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3456587
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Volkswagen Touran Engine Starter Motor 02M911023N
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Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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BMW G20 Radio Audio Amplifier Remote Receiver Control Module Unit 5A4CE55
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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BMW E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927275
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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BMW F30 F31 F80 M3 Driver's Side Door Wiring Loom Cable 9313614
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Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
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Part no. 9131151
BMW E65 E66 E67 Diversity Antenna Tuner Amplifier 9131151
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Part no. A6461541102-1
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. 8626086
Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454A
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Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
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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 .