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. 7823422
ECU Engine Control BMW E81 E87 E90 LCI 118d 318d N47 Diesel DDE 7823422 Manual
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Audi A5 8T Module Lane Assist Control Unit Rear Left N/S 8K0907568H
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Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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Mini Cooper R60 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018
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Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711
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BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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BMW E60 E87 LCI E90 120d 320d 520d N47 ECU Kit Control Unit DDE 7809000 CAS3 Key
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BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347
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Mini R60 ALL4 N18 184HP Control Unit ECU DME Kit 7613226 + Key + CAS3, Manual
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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Footwell Module BMW E88 Light ECU PL2 FRM3R Lear 9263795
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BMW 1 3 Series 2 E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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VW Volkswagen Touran 1T 1.4 TSI Starter Motor Petrol Engine Unit 02Z911023G
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BMW Mini Cooper One R50 Cable Wiring Loom Door Front Left N/S 6962777
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118701826
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BMW E87 LCI 116i E90 316i N43 122HP Engine Control Unit ECU DME 7579142 Manual
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Mercedes Sprinter W906 Radio Player Stereo Audio Head Unit A9069001203
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Audi TT 8N Alternator Main Cable Wiring Harness Loom 8J0971349CF
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Radio Player Mini F55 F56 CD Bluetooth DAB Alpine Control Unit Module 9344050
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9345330
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Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
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Volvo V70 2.4 D5244T4 Diesel Engine Control Module ECU 30729826A Automatic
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Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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BMW F20 F21 F30 F31 Rear Body Control Unit Module REM 9329703
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MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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BMW X5 E70 X6 E71 Alternator Generator 170A 170AMP 14V VALEO BM57N2 7796125
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BMW X5 E70 3.0si 272HP N52N ECU Engine Control Unit Kit DME 7576297 Automatic
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Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035462
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Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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Mercedes W205 C220d 651.921 170HP BlueTEC Engine ECU Kit A6519000603 Key SAM
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9381101
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BMW F10 F11 535d F13 640d N57Z 313HP ECU Kit DDE 8578115 Key CAS4 Automatic
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Volkswagen VW Phaeton 3D Battery Relay Protection Solenoid Module 3D0919433
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PDC Module BMW F45 F46 I01 Mini F55 F56 Parking Assistant Control Unit 6881300
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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BMW E81 E87 E90 E91 E92 6-disc CD Changer 9133083
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Volkswagen Polo 6N Alternator Generator BOSCH 14V 70A 028903025G
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Mercedes W204 SAM Module Control Unit Electrical Fuse Box Unit A2129003825
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Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Seat Module BMW E46 E64 Front Seat Control Unit Memory 7019255
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BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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BMW E81 E82 X1 E84 E87 E90 E91 Radio Stereo Business CD Player Head Unit 6959145
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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Manual
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VW Golf VII 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
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Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Mercedes ML W164 Air Module System Control Unit A1648209585
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BMW E90 E91 320d N47 Engine Control Unit Module ECU Kit DDE 7811700 CAS3 Key
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Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
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Audi Q7 4L Quattro S Line Comfort Module Convinience Control Unit 4L0907289C
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Audi A4 S4 B6 A7 4B Crash Impact Sensor 8E0959651
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BMW 3 Series E90 E92 M3 Throttle Body Position Hall Sensor Unit 7841706 7841704
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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Mercedes C219 CLS350 CDI OM642.920 Engine Module ECU A6421501230 Automatic
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BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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BMW Z4 E89 Roadster Cabrio Convertible Top Module CTM 09264978
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Relay Mercedes E200 S124 Petrol M111 Overload Protection Relay A2015403245
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Automatic
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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BMW E60 E61 E90 E91 330d 530d M57N2 Engine DDE Control Unit 7799856 Automatic
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BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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Mercedes-Benz M-Class ML W163 Gearbox Transmission Control Unit ECU A0305454632
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729
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Audi A7 4G Seat Cable Front Left Right N/O/S Wiring Loom Harness 4G8971365
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Mini Cooper R58 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Ford Transit Starter Motor Engine 2033125
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Audi Q3 8U PDC Parking Assistance Control Module Unit ECU 8X0919475M
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Mercedes W221 Front Door Module Right O/S Control Unit ECU A2219007601
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Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475L
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Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Part no. 6929561
BMW E65 E66 Sensor B-Pillar Air Module Right O/S 6929561
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Part no. 7811701
BMW E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU Automatic
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Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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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 .