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. 9166708-4
BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Door Module Mercedes GLC X253 Rear Door Right Control Module A2059001028
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Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023D
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046800931
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BMW G30 G31 F90 M5 G11 Antenna Aerial Diversity Amplifier Unit 8735982
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BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
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Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Relay Mercedes W124 E280 Fuse Box Light Control Relay A1265420332
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Audi Cable Adapter iPod Connection 4F0051510K
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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Earth Ground Cable Mercedes Sprinter W901 Battery Wiring Loom Engine A9015400631
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Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433
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Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Mercedes SLK R172 Airbag Module SRS Control Unit ECU A1729015805
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Mercedes W168 Battery Support Holder Front Mount Bracket A1686100336
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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
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Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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BMW E60 E90 N52 325i 525i 218HP Engine ECU Kit DME 7555361 CAS2 Key Automatic
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BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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BMW F20 F21 F30 F31 118d 318d B47 150HP Engine Control ECU DDE 8473185 Manual
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AdBlue Adapter Cable BMW F30 F31 F36 Lead Wiring Harness Loom 6841420
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Mercedes Vito W639 2.2 CDI 651.940 4-Matic ECU Kit Engine A6511501879 Key Lock
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Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
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BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Mini Cooper R60 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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Mercedes W177 M282 Petrol Engine Starter Motor A2829061900
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Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
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Mercedes W212 E220CDI OM651.924 Engine ECU Kit Key Lock Ignition A6519005301
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Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6913164
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Part no. 9345377
BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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BMW F32 F36 F80 F82 M4 LCI Headlight Indicator Light LED Module Left N/S 7493231
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BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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BMW E60 E87 E90 E91 Hands Free Electronics Charging Module MULF2 9215184
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Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AC
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Volkswagen Golf Mk7 Air Module Control Unit ECU 5Q0959655M
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BMW F10 Control Unit Box F07 F11 Engine Ventilation Housing Box 7555176
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Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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Mercedes Viano Vito W639 Wiring Harness Tailgate License Plate Lamp A6394404809
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Part no. 9242072
BMW X6 E71 Door Wiring Harness Loom Cables Driver's Side 9242072
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Part no. 7580279
BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 99661860500-1
Porsche Boxster 986 2.7 9622 220HP Engine Control ECU Kit 99661860500 Manual
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BMW E81 E87 LCI E90 E91 118i 318i N43 143HP Engine ECU DME 7580279 Automatic
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Part no. 7576921-1
Mini Cooper R55 R56 R57 R58 Petrol Engine Alternator Generator 7576921
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Part no. 06L903018H
Audi A4 B9 A5 F5 Alternator Generator Valeo 2.0 TFSI DDWA 06L903018H
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Footwell Module Mini R56 LCI Light Low EKS ECU PL3 FRM3R Lear 3457426
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BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142
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BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
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Volkswagen Golf Mk7 BCM Body Control Module Unit ECU 5Q0937084S
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BMW 5 SERIES E60 E61 LCI 520d N47 Engine Wiring Loom Harness DDE Manual 7807198
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Mercedes W204 Wiring Loom Cable Harness Door Front Left N/S A2044400605
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BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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BMW X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 7809944 CAS3 + Key Automatic
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BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552
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BMW F20 F21 F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 9463373
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BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Audi A4 B8 2.0 TDI CNHC Diesel Alternator Generator 04L903017A
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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Part no. 7794952-3
Starter BMW E60 M57 Engine Starter Motor 7794952 0986021230
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Part no. 4H0907348C
Audi A8 D4 4H Relay Fuse Bracket Holder Junction Box 4H0907348C
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CD Changer BMW E60 E61 E63 6-Disc Compact Changer With Magazine 9131850
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Volkswagen Fox 5Z Stereo Radio CD Player MP3 Head Unit 5Z0035152E
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BMW F20 F21 LCI M140i B58 Engine Wiring Cable Aquamist Water Methanol 8631668
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Part no. 3452092-1
Mini Cooper One R55 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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Part no. A2219006404
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Part no. 575035736
Seat Ateca Double USB C Charging Port Socket Connection Module 575035736
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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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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 .