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. 6976964
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Unit 6976963
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8699973 Dual Clutch
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
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Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9266411
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459
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Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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Amplifier Bracket BMW X1 F48 F46 Control Unit Module Holder Mount 6831329
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BMW X1 F48 Differential Lock Module Rear Axle Control Unit ECU 8655341
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BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
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Part no. 7545165
BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Part no. 8488548
High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
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Part no. 2344232
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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Part no. 7533651-8
BMW E60 530i M54 231HP Engine ECU Kit Unit DME 7533651 + CAS2 + Key Automatic
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Part no. 6929101
BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Part no. 6799602
BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443
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Part no. 9170706
BMW 6 Series E63 LCI CCC DVD Sat Navigation System CD Player Head Unit 9170706
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Part no. 8506438-2
BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic
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Part no. 7810000-2
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Part no. 9193745-1
BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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Part no. 9186664
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186664
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Part no. 6933875
BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Part no. 7500255
BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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Part no. 9193753-1
BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753
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Part no. 6976780
BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Part no. 6948087
BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Part no. 9257162
GPS Module BMW E81 E87 E90 E91 LCI Combox Telematics Control Unit 9257162
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Part no. 9200447-1
BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Part no. 6989241
BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Part no. 6919275
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 Delphi 6919275
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Part no. 6935920
BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Part no. 7566297
Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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Part no. 7579142-13
BMW 1 3 Series E87 LCI E90 120i 320i Petrol ECU Kit N43 DME 7579142 CAS3 Key
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Part no. 6948983
BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Part no. 8645445
BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Part no. 8379376
BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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Part no. 9160557
BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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BMW 1 2 Series F21 F22 Wiring Passenger Side Loom Front Door Left N/S 9340998
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Part no. 9302258
BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Part no. 7550891
BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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Part no. 6903094
BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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Part no. 8573260-3
ECU Kit BMW F20 F21 114d Diesel N47N 95HP DDE 8573260 + Key + FEM + Lock Manual
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Part no. 8382453
BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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Part no. 7809941-5
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Part no. 7633959
BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Part no. 8506438
BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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Part no. 8506438-3
BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual
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Part no. 9127687
BMW E88 Convertible Aerial Base Roof Antenna 9127687
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Part no. 7801124
BMW X5 E70 Alternator Generator Engine Unit Valeo 220A 14V 7801124
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BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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Part no. 8386427
BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Part no. 9218086
BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Part no. 9273188
BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188
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Part no. 7019255
Seat Module BMW E46 E64 Front Seat Control Unit Memory 7019255
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Part no. 6942637
BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Part no. 8507136-3
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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Part no. 7811700-4
BMW E81 E87 LCI E90 120d 320d N47 177HP ECU KIT DDE 7811700 CAS3 Keys Automatic
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Part no. 8589145
BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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Part no. 7553166-2
BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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Part no. 9495910
BMW F45 X1 F48 i3 I01 Airbag Module Control Unit ECU Air Bag 9495910
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Part no. 6905491
Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Part no. 6902659
BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Part no. 7002532
BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Part no. 7789376
BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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Part no. 6819838
BMW F30 LCI G11 G30 High Voltage Battery Charging Unit Module 6819838
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Part no. 7557809-2
BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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Part no. 8734740
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Part no. 8631672
BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness
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Part no. 6860729
VDC Module BMW F31 Touring Air Suspension Level Control Unit 6860729
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Part no. 6858700
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Control Unit Air Bag 6858700
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Part no. 6906621-1
BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
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Part no. 7558220
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
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Part no. 6836346
Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 6836346
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Part no. 8512292
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
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Part no. 7574544-3
BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME CAS3 Key 7574544 Automatic
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Part no. 7561834-10
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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Part no. 6836764
BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Part no. 6918515
BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
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Part no. 9230554
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Left N/S 9230554
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Part no. 9230617-1
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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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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Part no. 9866982
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
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Part no. 9125237
CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237
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Part no. 6957123
BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123
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Part no. 6938215
BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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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 .