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. A1715451301
Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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BMW 1 3 F20 F30 LCI 120dX 320dX B47 Engine Wiring Cable Loom Harness 8595285
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Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Mercedes W176 180 CDI OM607 Engine Control Unit Module ECU 237101754R Automatic
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-BB
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Fuel Pump Audi A8 D4 Q7 4L Diesel Control Unit Module 4H0906093D
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BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Renault Trafic III Opel Vivaro B Air Module Control Unit ECU 93868139 985101902R
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Mercedes SL400 R231 276.825 333HP Engine Control Unit ECU A2769007300 Automatic
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Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513250 CAS 4 + Key Manual
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Starter BMW E60 M57 Engine Starter Motor 7794952 0986021230
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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BMW 7 Series E65 E66 Driver Seat Airbag Sensor Control Unit Module 6946107
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Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Control Unit Seat Ibiza 6J VW Polo 6C 6R Air Module Unit ECU Bosch 6C0959655J
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BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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Part no. BK2Q6M091AD
Ford Transit Mk7 Glow Plug Wiring Loom Cable Wire TDCi Diesel BK2Q6M091AD
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Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
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Part no. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Audi A4 B7 2.0 TFSI Starter Motor Engine Motor Actuator Petrol 03L911021E
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Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9390396
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Ford Transit Connect Starter Motor Engine Actuator Diesel 1.6 3M5T-11000-CF
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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CD Changer Mini Cooper R50 R52 R53 6-Disc Multichanger with Magazine 6946989
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BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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Seat Module Mercedes W205 W253 Memory Control Unit Driver's Side A2059005122
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BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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BMW 5 7 Series E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020
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Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
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Audi A3 8V 2.0 TDI DFGA Diesel Starter Motor 02E911022C
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BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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Part no. 9166711-1
BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Audi A4 B7 Convertible Rear Speaker Amplifier Blaupunkt Right O/S 8H0035223E
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Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Seat Control Unit BMW E60 E61 Module ECU 9148257
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Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
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Mercedes W212 Engine Alternator Generator A0009062100
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Steering Lock Mercedes W176 W246 Control Unit Module VST A0999004101
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BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7619333 + CAS3 + Key Manual
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Part no. A1769001101
Mercedes W176 W246 Comfort Module Central Gateway Control Unit VST A1769001101
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Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
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BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Part no. A2129006905-1
Mercedes W212 Comand Radio Head Unit CD DVD Player A2129006905
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Part no. 8519663-13
Mini Cooper D R55 R56 LCI R60 N47N 1.6 112Hp Diesel ECU Kit DDE 8519663 CAS3 Key
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Part no. 9813620
MINI Countryman R60 Control Unit Fuse Distribution Box SPEG High 9811672
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Part no. A6519062800-1
Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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Part no. A2195406207
PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207
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Part no. 8K2971228G
Audi A5 8T 1.8 TFSI Starter Alternator Harness Wiring Cable 8K2971228G
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Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit 6934122
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Part no. A2218704895
Mercedes W221 Door Module Rear Door Control ECU Unit Left N/S A2218704895
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BMW X5 E53 X3 E83 M57N2 Alternator Generator Diesel Engine Power 150A 7797661
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Wiring Harness Opel Vivaro B Renault Trafic 3 Loom Cable 93455434
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Mercedes W221 Gateway Control Unit Module ECU A2215408845
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BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
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BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
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BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
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Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
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BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011
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Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Mini Cooper Countryman R60 Champ 2 Navigation Radio DAB Player Unit 9268802
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BMW 3 4 Series F30 F31 F33 Rear PDC Cables Wiring Loom Harness Set 9293040
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BMW 1 3 Series E81 E87 E90 Business Navigation M-ASK System Controller
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BMW 1 3 Series E81 E87 E90 E91 E92 Amplifier Sound Audio System Alpine 0445683
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Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
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Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
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Fiat Doblo Engine Alternator Generator 46774430
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BMW 1 Series E87 ECU Body Control Module Unit L2 PL2 JBBFE 9134482
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Part no. A1695407205
Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
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Steering Column Switch BMW E87 E81 E91 LCI Cluster Wiper Stalk 9123043
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BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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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 .