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. 9164355
Battery Cable BMW E81 X1 E84 E87 Lead Negative 9123571
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BMW X3 E83 Light Control Unit Module LEAR LM II LWR 3451625
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BMW E60 E61 E81 E87 E90 Control Unit For Fuel Pump ECU 7209286
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BMW E81 E87 E91 Steering Switch Cluster Cruise Control Stalk 9110894
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Radio Business CD BMW E81 E82 X1 E84 E87 E90 E91 E92 Audio Player 9177209
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BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
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BMW E90 Radio Professional CD Player 6983018 65126983018
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Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9217853
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BMW E81 E84 E87 E90 E91 Parking Module Control Unit PDC 6982402
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Radio Business CD BMW E81 E82 X1 E84 E87 E89 E90 E91 E92 Radio 9177209
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Part no. 8661071
BMW Mini Cooper F55 F56 F57 Integrated Supply Module Z11 8661071
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Part no. 9145439
BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
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Bluetooth Control Unit BMW E60 E87 E90 Telematics Module ECU 9224422
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Part no. 9324784
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
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Part no. 7640132
BMW F20 LCI F30 F56 Alternator Generator DENSO 150A 7640132
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Part no. 6927931
BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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Part no. 9130879
BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975
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Part no. 6962671
BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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BMW 1 3 Series E87 E90 Sunroof Sliding Roof Drive Unit Motor Actuator 6922257
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Part no. 9253111
BMW F20 F21 F22 Positive Plus Pole Battery Blow Off Cable 9253111
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Part no. 7808073
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432
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Part no. 8377415-1
BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Part no. 9210510
BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Part no. 9229241
BMW E81 E87 E90 E91 LCI E92 E93 Autoradio CD Radio Business 9229241
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Part no. 9248179
BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
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Part no. 7519618
BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618
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Part no. 7296090
BMW Z4 F30 F31 E89 Headlight Ballast Control Unit Xenon Light 7296090
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Part no. 8570846
BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846
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Part no. 8366646
BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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Part no. 9381101
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9381101
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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. 9119491
BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491
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Part no. 9272002
BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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Part no. 7809000
BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual
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Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
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Part no. 7834495
BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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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. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 6944108
BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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Part no. 6934552
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6934552
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Part no. 7796125-1
BMW X5 E70 X6 E71 Alternator Generator 170A 170AMP 14V VALEO BM57N2 7796125
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BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
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Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. 9287535
CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
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Part no. 6981569
BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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Part no. 7798006-2
BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006
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Part no. 6941018
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Part no. 7457871
BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457871
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Part no. 9150109
BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109
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Part no. 8512499-5
BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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Part no. 7561684-2
BMW 3 5 Series E60 E90 E91 330i 530i N52 Engine ECU Kit DME CAS2 Key 7561684
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Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
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Part no. 9329704
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329704
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Part no. 9197159
BMW E81 NSW ECU Light Module Footwell Module PL2 FRM II 6135 9197159
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Part no. 9164352
BMW 3 Series E90 E91 E92 IBS Negative Battery Lead Cable 9164352
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Part no. 9278074-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 7579142-14
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
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Part no. 9173686
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. 9197176
BMW E82 Footwell Light Module LOW PL2 FRM II 61359197176 9197176
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Part no. 6978374
Air Module Unit BMW E60 E61 Sensor Control ECU 6978374
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Part no. 6925897
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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Part no. 6963023
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Part no. 8626472
BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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Part no. 8512499-6
BMW X1 E84 18dX N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
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Part no. 9273628-1
BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 8376445
BMW X3 X5 E53 E83 E46 E39 LCI Switch Unit Steering Column 8376445
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Part no. 9281517
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Part no. 8386427
BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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Part no. 6910597
BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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Part no. 9209183
Sound Speaker BMW X3 F20 F21 F25 Mid Range Stereo HiFi 9209183
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Part no. 9185139
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Part no. 9145158
BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 9145158
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Part no. 8385164-1
BMW 7 Series 1 E65 E66 Battery B+ Engine Compartment Terminal Point 8385164
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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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BMW F10 F11 Pedestrian Protection Sensor F-Optic Control Unit 9318777
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Part no. 9314237
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237
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Part no. 7796125
Alternator BMW X5 E70 X6 E71 M57N2 Generator 170A 170AMP 14V VALEO 7796125
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Part no. 9168833-1
BMW 5 Series E60 LCI ECU Body Control Module Unit KBM Basis 9168833
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Part no. 8385897
BMW E39 E46 E53 Radio BMW Professional TMC 65128385897 8385897
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BMW 1 3 Series E87 E90 Hands-free Electronics Bluetooth Module MULF2 9178862
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Part no. 7567362-4
BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
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Part no. 8473185-5
BMW F20 120d F30 320d F36 420d LCI B47 190HP Engine ECU DDE 8473185 Manual
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BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
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Part no. 6953773-1
BMW E60 E61 CCC CD Professional Navigation Controller 6953773 SPARES OR REPAIR
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Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
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Part no. 8581872
Engine Wiring BMW F10 F11 N57Z Diesel Gearbox Loom Module Harness 8581872
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Part no. 9308361-1
BMW E88 Footwell Light Module Control Unit ECU Basis PL2 FRM3R 9308361
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Part no. 6956939
BMW E60 E61 E63 E64 6-disc Compact CD Changer with Magazine 6956939
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Part no. 6942101
BMW E64 E89 B-pillar Sensor Left N/S 6942101 6945157
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Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
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Part no. 6953044
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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Part no. 6853992
BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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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 .