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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Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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Audi S4 B7 Sunroof Sliding Roof Drive Unit Motor Actuator 4B0959591J
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Audi A6 C6 Front Seat Control Memory Module Front Left N/S 4F0959760
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BMW E90 E91 LCI 320d N47N 184HP Engine Control Unit ECU DDE 8519668 Manual
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Professional Navigation BMW E60 E61 CCC System Controller Control Unit 6987689
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Mercedes Sprinter W906 Radio Player Stereo Audio Head Unit A9069001203
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BMW G30 G31 Body Control Comfort Module Unit FEM ECU 8779027
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BMW 3 Series E90 E91 LCI N47N 320ed 320d ed ECU KIT DDE CAS 3 Key 8512291 Manual
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SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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Mini Cooper R56 LCI ECU Footwell Light Module FRM3R LOW EKS Lear 3456394
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Mercedes W204 W207 W212 Steering Lock Module Control Unit A2045458132
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BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Ford Transit Mk7 Fuse Box Cover Electrical Unit Housing Trim Cap 6C1T-14A076-BB
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Alternator Generator BMW E60 E63 E65 E83 LCI E90 Diesel 170A LRA02319
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BMW 1 3 5 Series E60 E87 E90 E91 120d 320d M47N2 ECU Kit DDE 7797217 CAS2 + Key
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Peugeot 207 Crash Impact Sensor Control Unit Module 9659186280
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BMW 5 Series E60 E61 LCI Seat Control Unit Backrest Adjustment 6938906
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BMW E60 Light Control Module Unit Lear LMF6X 9116260
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BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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Earth Ground Cable Mercedes W204 W207 W212 W218 Battery Wiring Loom A2044407441
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BMW 3 Series E46 PDC Rear Parking Sensor Ultrasonic Mysticblau Metallic Blue
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Mercedes C140 Blinker Hazard Trailer Relay Module Control Unit A1408207126
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Mercedes W211 Xenon Headlight Level Control Module A0028202426
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Ford Transit Mk6 Body Control Comfort Unit Module BCM Unit ECU 1C1T15K600BA
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Audi A4 B7 Electronic Yaw Rate Sensor Module 4F0907637
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VW Volkswagen Polo 9N 1.4 TDI Alternator Bracket Mount Carrier 045903143E
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BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575
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Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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BMW E81 E87 LCI E90 E91 118i 318i N43 ECU Kit DME 7593666 + CAS3 + Key Manual
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Audi TT Mk2 8J Door Wiring Harness Loom Cable Driver's Side 8J0971029AB
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Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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Mercedes W202 W210 Front Left Door Control Module A2108207526
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Audi A4 B9 A5 F5 Multimedia Radio Sat Nav Screen Display Head Unit 8W2035043A
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Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
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Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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BMW 7 Series E65 Cable Harness Wiring Loom Plug Connector Socket 6924409
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BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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BMW E82 125i Petrol N52N ECU Engine Control ECU Kit 7602220 5WK91142 Key CAS3
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Mercedes-Benz C W204 CDI Automatic Gearbox Control Module Unit ECU A0005454316
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Mercedes Sprinter W906 Parking Control Unit Module Sensor PDC A9069001002
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Engine Wiring Loom BMW E60 E61 520i 525i 530i Petrol M54 Wire Ceble 7529723
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Information Display BMW E81 E82 E87 E88 Board Monitor Central Screen 9145437
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Audi TT 8N Air Module Control Module Unit ECU 8N0959655D
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7343935
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BMW 1 Series E87 Footwell Light Module Control Unit PL2 FRM3R 9224592
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BMW E81 E87 E90 LCI E92 Professional Navigation Sat Nav CIC Head Unit 9202202
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BMW E38 Door Windows Control Unit Module ECU ZB PMBT LOW 8377601
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Mercedes W212 Fuse Box Relay Rear SAM Control Unit Module A2129009522
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BMW E90 E92 330i 272HP N52N Engine ECU Kit DME 7576297 + CAS3 + Key Manual
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Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Seat Leon 5F Engine Starter Motor 2.0 TDI Diesel 02E911023T
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BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110718AB
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BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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Mercedes E CLS Class W211 W219 Bracket Anti Tow Away Sensor Bracket A2118220114
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BMW X1 2 F45 F46 F48 Wiring Cable Harness Exterior Mirror Heated Left N/S
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Part no. 93AG13150AA
Ford Transit MK6 Relay Unit Module 3 Pins White 93AG13150AA
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Part no. 9241007
BMW 3 Series E91 LCI Footwell Light Control Module Lear FRM3H PL2 LED 9241007
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Part no. DRIVETEC-72AH
DriveTec Heavy Duty 12V Accumulator Battery 72Ah 650A DM096
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Part no. 05064191AE
Chrysler 300C CD Player Radio Audio Navigation Head Unit 05064191AE
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Mercedes CLA C118 V177 Ignition Switch Module Keyless Control Unit A1679004616
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Land Rover Range L322 3.0d M57 Engine Wiring Loom Harness Automatic 7788409
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Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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Land Rover Freelander 2 L359 2.2 Alternator Support Bracket Mount 9661310080
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Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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Sound Audio Amplifier Mercedes C117 A207 C218 Unit Harman Kardon A2189004107
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Mercedes W177 Dash Monitor Display Speedo Meter SAT NAV Screen A2479007004
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KaFAS Camera BMW G30 G31 F90 M5 X3 G01 G11 Driver Assist Unit Module ECU 9461797
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BMW F30 F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393192
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BMW 5 Series E60 M5 E63 M6 S85 Engine Control Unit ECU DME Unit 7837231 5WK9359
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Audi A3 8V Rear Bumper PDC Wiring Loom Parking Sensor 8V0971085R
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Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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BMW 5 Series E60 E61 520i 525i 530i M54 Engine Wiring Loom Harness 7529720
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Mini One R55 R56 Petrol N12 95HP Engine Control Unit ECU DME 7588502 Automatic
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Audi TT 8J Coupe Roadster Convertible Roof Control Module ECU 8J7959255B
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Ford Transit Custom MK8 Fuse Relay Box Control Unit Module BK2T14A175CA
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BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Audio Amplifier BMW F01 F02 F07 Top PL6 HIFI AMP-HIFILR02 Unit 9217597
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Mercedes W204 Rain Light Solar Condensation Sensor Control Unit A2048208485
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BMW F01 F10 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9286905
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Part no. 7586933-1
BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7586933 CAS3 Key Automatic
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Part no. A4479053905
Mercedes W447 Aerial Antenna Amplifier Control Unit Module A4479053905
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Part no. 9224597
BMW E89 E90 E91 E92 E93 Footwell Light Module Control Unit ECU FRM3R 9224597
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Part no. 8510593
BMW 1 Series E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 8510593 Manual
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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 .