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. 6822582
BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582
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Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910
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BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400
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Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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Peugeot Partner Hazard Warning Light Switch Button 96583113KR
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BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
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Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Mercedes W213 Mechatronic Automatic Gearbox Control Unit Module A7252701905
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BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6942676
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Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
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Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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BMW E60 Hands Free Electronics Charging MULF 6946393 84216946393
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Mini Cooper One Clubman R55 R56 R57 R59 R60 JCW Engine Starter Motor 7552697
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BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Mercedes W163 Battery Ground Earth Strap Cable Wiring A1635400841
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Mercedes Universal TYCO Relay Module 12V V23134-B52-X309 A0025422319
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BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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Mercedes W169 W245 Engine Starter Motor A0041518501
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 6819195
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BMW X3 Series E83 Cover Positive B Battery Terminal Point Case 8371011
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BMW X5 Series E70 Rear Trunk Battery Cover Tray Storage Box 7127282 51477127282
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BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925
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BMW F20 F21 F30 F31 F34 GT Rain Sensor Front Windscreen Light Unit 9293279
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045420818
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Display Screen Peugeot Partner Expert Multifunction Dashboard Clock 9665614680
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Part no. BK2T14B476BU
Ford Transit MK8 Fuse Box Relay Body Control Comfort Module BCM BK2T14B476BU
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Part no. 6927312-1
Seat Module BMW E60 E61 E65 E66 Front Seat Control Unit Module ECU 6927312
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BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468
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Mercedes EQA H243 Relay High Voltage Performance DC 250 A Contactor A7899823000
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Part no. 1K0937086C
Skoda Yeti 5L BCM Body Control Onboard Supply Module Unit ECU 1K0937086C
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Part no. 6978232
BMW E60 E61 E63 E65 X5 E70 X6 E71 PDC Parking Control Module Module 6978232
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Part no. A2115458601-1
Fuse Box Mercedes W211 CLS C219 Rear SAM Module Relay Control Unit A2115458601
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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BMW E87 E90 E91 CAS 2 Control Unit ECU Key Reading Module 6981416
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Part no. A1698206726
Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
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BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163
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Part no. 7799470
Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470
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Audi A3 8P 1.6 MPI Ignition Wiring Loom Harness Set 06A905409P
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Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Engine Starter Motor 0986018840
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Audi A4 B9 Power Distribution Fuse Box Battery 8W0941823F
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Part no. 7591534-1
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. 8E0907279N
Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Glow Plug Relay Mercedes W213 C238 Diesel OM654 Preglow Module A6549001300
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Part no. 8K0907064GE
Audi A5 S5 8T BCM Body Control Module Unit ECU 8K0907064GE
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Part no. 6950374
Door Cable BMW E65 Loom Rear Right O/S Wiring Harness 6950349
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Air Module Mercedes W213 C238 Control Unit Module ECU A2139008822
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BMW E87 E90 E92 Seat Wiring Cable Front Right O/S Heating Loom Harness 9131643
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Engine Wiring BMW F20 F30 LCI 118d 318d 120d 320d B47 Loom Harness Cable 8595284
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Mercedes C253 Fuel Pump Module Control Unit ECU A0009002218
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Part no. 9125035
BMW 3 Series E90 E90N E91N E92 E93 LCI Positive Cable Battery Lead 9125035
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Part no. 9803979
MINI Countryman R60 High SPEG Fuse Distribution Box H7 9803979
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Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600
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Ford Transit Connect 1.8 TDCi Battery Positive Cable Clamp Wiring 2T1T14A280CG
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Part no. 9229241
BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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Audi A3 8V Control Unit PDC Parking Sensor Daytona Grey - Z7S 5WA919297B
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Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
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Part no. A0005456916
Mercedes W212 CDI Automatic Gearbox Control Module Unit ECU A0005456916
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Part no. A2128203542
Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542
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Part no. 7788680-4
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Part no. A1645402601
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645402601
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Part no. 1387613
BMW 3 Series E36 Electrical Fuse Relay Box Cover Panel Trim 1387613
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Part no. 6Q0909606G
VW Volkswagen New Beetle Cabrio Side Impact Crash Air Module Sensor 6Q0909606G
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Mercedes W204 Steering Wheel Air Module Driver's Side Black A0008605903
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Mercedes W202 Ignition Engine Control Unit Module C180 M111 Petrol A0185454132
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Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104CC
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Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087
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BMW X1 F30 F31 LCI Starter Motor Engine 8612576
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Part no. A2215408845
Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Part no. A6461541102
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Mercedes W177 Steering Column Control Module A0999008701
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Audi Q2 GA Front Parking Sensor Assist Control Module Arrow Grey Z7W 5Q0919275B
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Part no. 6941592
BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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BMW X1 E84 Front Bumper Loom Cable Harness Parking Sensors PDC Wiring 9191449
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MINI S R52 R53 W11 Engine Control Unit Module ECU DME 7553735 Manual
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BMW E88 ECU Footwell Light Module Control Unit PL2 FRM II Lear 9197161
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Mercedes W245 Front Bumper PDC Parking Distance Sensor Comet Grey - 748
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Mini F55 F56 Central Cover Information Instrument Radio 8,8" 9367675
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BMW 7 X5 Series E53 E65 Bulb Parking Light Headlight Front Lighting Cover
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Windshield Camera Mercedes W166 R172 Driver Assist Front Camera A0009001810
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BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
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BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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BMW F20 F21 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9331211
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Part no. 8R2907115-1
Audi Q5 8R 2.0 TFSI CNCD 224HP Engine Unit ECU Kit 8R2907115 Key Ignition Manual
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Mercedes-Benz A-Class W176 CLA C117 Rear View Camera Control Module Unit ECU
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Part no. 8792232
BMW X1 F48 Mini F55 F56 LCI B+ Junction Terminal Power Distribution Box 8792232
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Part no. 070903327C
Volkswagen Touareg Transporter 2.5TDI Alternator Coupling Sleeve Belt 070903327C
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Part no. 6945144
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Part no. 8T0919603A
Audi A4 B8 AV10NEO Display Screen Radio Multimedia Navigation Sat 8T0919603A
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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 .