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. 7809941-2
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 Key 7809941 Automatic
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BMW E39 Radio Business Cassette Player 6958566 8377005
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BMW F45 Air Duct Front Slam Panel Flap Control Motor Drive Unit C47829-102
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BMW X5 F15 40eX N20 313HP Engine Control Unit ECU Unit DME 8664617 Automatic
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BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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BMW E90 E91 E92 335d M57N2 286HP Engine ECU DDE Kit CAS3 + Key 8509036 Automatic
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BMW E60 E90 E91 LCI 325i 525i N53 218HP ECU Kit DME 7594305 CAS3 + Key Manual
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BMW E88 Footwell ECU Light Control Unit Module MAX Kuester FRM3R PL2 9224599
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Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
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BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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BMW Z4 E89 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9286789
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BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 9877375
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BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9226333
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness 3452217 3452220
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Part no. 8518477-2
BMW F10 520d 184HP N47N Engine Unit ECU Kit DDE 8518477 + Key + CAS4 Manual
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Air Module BMW F20 F21 F30 F31 F32 F36 ECU ICM Plus SRS Control Unit 6867170
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BMW E91 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Telematics Module BMW F40 Telephone Control Unit ATM ECE 4G 5A083A6
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BMW G30 Telematics System Control Unit Module Navigation ATM ECE 4G WLAN 9843935
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Seat module BMW G11 G20 G30 G01 G02 Seat Control Unit Module ECU 9891562
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Seat Wiring BMW E60 E61 LCI Front Left Loom Harness Passenger Side 6969214
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BMW 5 6 7 Series F01 F02 F10 F11 F12 Battery Earth Cable Wiring 330MM 7620950
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 LCI Radio CD Professional 9226395
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Part no. 8574091-1
BMW X3 F25 20d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 Key Automatic
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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. 7545042
BMW 1 3 Series E87 E90 E91 N46 118i 318i 120i 320i ECU DME Control Unit 7545042
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Basic Navigation BMW F20 F30 F32 Mini F56 F60 Radio Sat Nav Head Unit 8791768
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BMW X3 F25 B+ Distribution Box Battery Power Red Rear Control Unit 9206140
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Part no. 6989245-WB
BMW 5 X3 Series E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Part no. 7811700-3
BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Part no. 7552815
BMW Z4 E89 23i 30i N52N Alternator Denso 170A 7552815
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Part no. 9356464
BMW G11 Power Battery Distribution Junction Box Control Unit 9356464
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Part no. 9310464
Radio Head Unit BMW F30 F31 F34 GT Radio Professional Nav DAB CD Player 9310464
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Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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Part no. 7808222-1
BMW E90 E91 M57N2 Engine Control Unit ECU Kit DDE 7808222 + CAS2 + Key
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Part no. 8630125-1
BMW F20 F21 F30 116i 316i N13 136HP Engine ECU KIT DME 8630125 FEM + Key Manual
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Part no. 7809955-4
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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BMW F13 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9291451
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BMW 1 3 Series E81 E92 Driver Side Seat Wiring Loom Electric Harness 9131723
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BMW Varta VRLA / AGM 12V Accumulator Battery 105Ah 950A 7604806
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Part no. T1000-11912
BMW Disc Professional Navigation 07-02 Navteq DVD Road Map Europe T1000-11912
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Part no. 1740374
BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
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BMW Disc Professional Navigation 2016 Update DVD Road Map Europe 2408599
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Part no. 3414876
BMW X3 Series E83 2.5i 3.0i M54 Battery Positive Power Cable Terminal 3414876
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BMW E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
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BMW F45 LCI F46 218i X1 F48 18i B38C 140HP Engine Unit ECU DME 9452590 Manual
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BMW Banner EFB Start Stop Accumulator Battery 70Ah 700A 12V 6991365 6992187
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Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Part no. E90 Wiring Loom Set PDC Rear-1
BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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Part no. 9126251
BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Part no. 9216275
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Part no. 7841981
BMW E90 E92 E93 M3 Engine S65 420HP ECU DME 7841981 Twin Clutch Gearbox
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Headlight Control Unit BMW F30 F31 LCI Module FLE2 7434273
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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Part no. 7799854-2
BMW 1 3 Series E87 E90 118d 318d M47N2 122HP ECU KIT DDE 7799854 CAS2 + 2 Keys
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BMW G30 LCI 530e Front Bumper Pedestrian Protection Shock Sensor 5A4FAA3
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Part no. 9267200-1
BMW E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Part no. 9286953
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9286953
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Part no. 7567178-4
BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic
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Part no. 6823593
BMW F13 Front Lamp Headlight Footwell Control Module FRM III 3 Unit ECU 6823593
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Part no. 8506281-6
BMW E87 E90 LCI 116d 316d N47 Engine Module ECU Kit DDE 8506281 CAS3 Key Manual
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Part no. 8610635-1
BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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Part no. 9197162-1
BMW E88 Footwell ECU Xenon Light Control Module PL2 FRM II Lear 9197162
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BMW 3 Series E46 320d M47N Diesel Engine Wiring Harness Module Manual 7790726
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Part no. 7550469-2
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. 7806976-4
BMW E60 E61 LCI 530d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Part no. 6931987
BMW 7 Series E65 E66 E67 Control Unit Voice Input System Module 6931987
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Part no. 8590102
Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102
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Part no. 9261590
PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue
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Part no. 8380255
BMW X5 Series E53 Control Element Light Switch 8380255
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Part no. 7810980-4
BMW E60 E90 335d 535d M57N2 286HP Engine ECU KIT DDE 7810980 CAS3 Key Automatic
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Part no. 9186171
BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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Part no. 7640015-1
BMW E81 E87 LCI N43 116i 2.0 122HP ECU Control Unit Kit DME 7640015 CAS3 + Keys
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BMW X3 Series E83 Light Control Module Lear LM LWR ECE/RL 3413320
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Part no. 6904012
BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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Part no. 9124167
Parking Sensor BMW E60 E61 E83 PDC Space Grey Metallic - A52 9124167
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Part no. 6792626
BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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Part no. 8695512-1
BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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Part no. 9281829
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
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Part no. 9218749
Seat Wiring BMW E87 E90 Front Driver Seat Memory Loom Harness Cable 9218749
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Part no. 5A065D5
Onboard Screen BMW F98 G01 G02 Central Information Display Monitor 8,8" 5A065D5
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BMW 5 Series E60 Diversity Antenna Amplifier TV 868 MHz 6988058 6931721
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BMW X3 G01 Headlamp LED AHL Adaptive Headlights Control Module FLM 01 7472765
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BMW E60 E90 LCI 530i 330i N53 272HP ECU Engine Control DME 7578020 Manual
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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BMW 3 Series E90 E91 E92 325D M57N2 Diesel Manual Engine Wiring Loom Harness
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Part no. 7545046-3
BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU Kit DME CAS 2 2 Keys 7545046
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BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6943441
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Part no. 9273188-1
Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav CIC 9273188
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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. 8606777-1
BMW F30 320iX N20 ECU Kit Engine Control Unit DME 8606777 Key FEM Automatic
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Part no. 7574544-4
BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME 7574544 CAS3 Key Automatic
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Part no. 9218380
Steering Wheel Module BMW F10 F11 F20 F21 F30 F31 Heating Control Unit 9218380
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Part no. 8385164
BMW 7 Series E65 E66 Battery B Engine Compartment Terminal Point 8385164
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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. 9364819-4
BMW E84 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9364819
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Part no. 6989176
BMW 7 Series E65 E66 Ultrasonic Sensor PDC Toledoblau Metallic Blue
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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 .