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. 6814187-1
Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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BMW 5 6 7 E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6922785
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6982387
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BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063K
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Fuse Box Mercedes W204 Front Relay Control Unit Module SAM A2129006624
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Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine Denso DSN967
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Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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BMW E90 Light Control Module ECU Unit PL2 FRMFA Lear 9128183
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Mercedes C209 Door Control Module Front Left N/S A2098201926
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9176078
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PDC Wiring Mercedes W169 W245 Front Bumper Parking Sensor Loom Cable A1695403733
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Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976
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Part no. 7638322-1
Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME 7638322 + CAS3 + Key
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Mini R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Fuse Box Cover Mercedes W177 W247 Engine Compartment Housing Holder A2475407600
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2X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Volkswagen VW Caddy Radio Remote Control Alarm Key Fob Control Unit Module
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BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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Mercedes X218 CLS 350CDI OM642.853 Engine Control Unit ECU Kit A6421508900 Key
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Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Mercedes SLK R171 Fuse Box Rear SAM Relay Control Unit Module A1715451901
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BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147221
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Part no. 9241008-1
BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R 9241008
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Part no. 6941634
Headlight Ballast BMW E60 E61 E90 E91 Xenon Adaptive Control Module 6941634
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Mercedes W205 W213 Actuator Drive Exhaust Flap Control Unit A2139068601
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BMW E87 LCI E90 118i 318i N43 Petrol ECU Engine Control Unit DME 7579142 Manual
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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Audi A1 8X Air Module Control Unit Sensor 8X0959655B
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BMW E90 LCI Amplifier Hifi Speaker System Control Unit Module 9143156 6960925
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BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881
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Mercedes W204 Radio Stereo CD Player Audio Sat Nav Head Unit A2049069701
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual
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BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8625241 Manual
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BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
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BMW 5 6 Series E60 E61 E63 E64 LCI CD Changer Cartridge Magazine 9129433
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. A2049060105-2
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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BMW 1 Series E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Part no. 7588502-1
BMW Mini Cooper R55 R56 N12 1.6 Petrol Engine ECU Kit DME 7588502 CAS3 Key
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BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen Display 8.8" CCC
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Mini R50 R53 6-Disc CD Changer Multichanger With Magazine 9131852
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Part no. 7823344-1
BMW 1 3 4 F20 F21 F30 F31 F32 N47N Diesel Alternator 180A 7823343 7823344
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BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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Mini Cooper R55 R56 R57 Cable Wiring Set HiFi Electrical System 9211323
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Mini Cooper R56 LCI N16 1.6 Petrol Engine ECU Kit DME 7607685 + CAS 3 + Key
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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475J
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BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
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Radio Head Unit Mercedes W207 W212 COMAND Navi CD Player Navigation A2189005607
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Audi A3 8P 1.6 TDI 105HP CAYC Diesel Engine ECU Kit 03L906023M 2 Keys Manual
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Part no. 9384222
Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
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Part no. 9221719
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Part no. 8516739-4
Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Part no. 9809353
Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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Part no. 9288304
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
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Volkswagen Tiguan 5N Engine Starter Motor 02M911024C
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Part no. 9246501
BMW E81 E87 E90 E91 LCI Professional CD Radio With Bluetooth 9246501
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BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9130313
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BMW X5 E70 Front Bumper PDC Wiring Loom Cable Harness 6970675
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Part no. 9119493
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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Part no. 9343317
Audio Amplifier BMW F20 F21 F22 Harman/Kardon Active Sound Design System 9343317
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Part no. 7411595
BMW F10 F20 F30 Control Unit For Fuel Pump Module 7411595
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SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Mercedes-Benz C S203 W203 Parking Sensor Distance Control Module A2095450032
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Part no. 6906558
Relay Box BMW E60 E61 E63 E64 Rear Power Distribution Fuse 6906558
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BMW 3 Series F30 F80 M3 Battery Cover Trunk Trim Panel Right Boot 7239175
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Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201
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Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Manual
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BMW E87 LCI E90 118i 318i Petrol N43 ECU Kit 7599881 DME CAS3 Key Manual
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BMW X5 E53 Basic Body Control Unit Module GM3 6960249
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049009510
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Bracket Harman Kardon BMW F30 F31 Amplifier Holder Mount Unit Module 9235506
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BMW 1 3 5 Series F10 F20 F30 Reversing Camera Rear View Control Unit 9282420
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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BC
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Gearbox Module Mercedes W177 W205 W213 Control Unit ECU Automatic A2139003217
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Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810
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Mercedes-Benz Sprinter W906 Rear Door Licence Plate Lighting Wiring Cable
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Mercedes W203 Aerial Antenna Amplifier Module Unit A2038707089
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Part no. 8V0035874C
Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C
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BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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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 .