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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Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
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BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
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BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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BMW F20 F21 F30 F32 F87 Battery Cable Negative IBS 7631109
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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BMW F31 Touring Body Control Unit Module HKFM 7388490 0066245503 F005V01610
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Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Mercedes C238 Headlight Ballast Control Unit Module A2229000821
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PDC Wiring BMW E60 E61 Rear Bumper Loom Cables Set 6928366
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BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Audi A4 B9 Communication Telematics Control Module Unit ECU 4KE035282H
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BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814
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BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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GPS Module BMW E81 E87 E90 E91 LCI Combox Telematics Control Unit 9257162
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BMW Z4 E85 E86 Air Module ECU Control Unit Module 9118749
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BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Mini Cooper Countryman R60 Fuse Distribution Box SPEG High 9813622
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Ford Transit MK8 2.2 TDCI Diesel Engine Control Unit Module ECU BK31-12A650-BB
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Part no. E90 Wiring Loom Set PDC Rear-3
BMW 3 Series 3 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
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Audi A3 8P BCM Body Control Module Unit ECU 8P0907279N
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BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087R
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Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F
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Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Mini Cooper One R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456588
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6886187
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Part no. 6977724
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329700
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Part no. 8J0907115-1
Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU Set 8J0907115
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VW Volkswagen Touran 1T Airbag Side Impact Crash Sensor Air Bag 5M0909606A
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9138430
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Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
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Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901
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Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
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Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
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5X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
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BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655
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BMW 3 Series E90 E91 LCI Mini R55 R56 Tyre Pressure RDC Control Unit Module
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BMW 3 5 X3 X5 Series E39 E46 E53 E83 Control Unit Control Unit EWS IV 9145349
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BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Body Control Module BMW F20 F21 F30 F31 F32 Comfort Unit FEM ECU LR01 9315682
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BMW E88 E93 Rollover Control Controller Module Unit Convertible Cabrio 9180627
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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BMW Mini Cooper S R55 R56 Engine Wiring Loom Harness Injection Valve Ignition
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AUC Sensor BMW E60 E61 E65 X5 E70 X6 E71 Mini R56 R57 Air Control 9136607
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Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457031
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BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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BMW F20 F21 F30 LCI Sound Speaker Mid Range Stereo HiFi 9264943
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508
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Skoda Octavia II Engine Bay Fuse Box 1K0937125A
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BMW F80 M3 F32 F33 Xenon Headlight Control Module Lear TMS 7316187
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BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625
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BMW E88 Convertible Aerial Base Roof Antenna 9127687
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Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
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BMW E60 E61 E63 E64 6-disc Compact CD Changer with Magazine 6956939
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Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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BMW 3 Series E90 E91 E92 IBS Negative Battery Lead Cable 9164352
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Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
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BMW 1 3 4 F20 F21 F30 F31 F32 N47N Diesel Alternator 180A 7823343 7823344
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BMW F30 F31 F80 M3 Dashboard Central Information Display Screen 6,5" 9262753
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BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6982114
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BMW E60 E61 E65 X5 E70 X6 E71 Control Unit Xenon Light 5DV 009 000-00
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Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Fuse Box 6942912
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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
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BMW E90 ECU Body Control Module ECU H1 61359134479 9134479
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BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
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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 .