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. 9186664
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186664
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Part no. 7542529-2
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Part no. 6870078
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 6870078
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Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Part no. 7580279-1
BMW E81 E87 LCI E90 E91 118i 318i N43 143HP Engine ECU DME 7580279 Automatic
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Part no. 7561684-5
BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + Key Manual
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Part no. 6823590
BMW F10 Footwell Light Control Unit Module ECU FRM III 6823590
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Part no. 9236462
Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236462
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Part no. 9186215
Audio Controller BMW E90 System Control Unit Module Navigation 9186215
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Part no. 8067512
BMW F10 F11 F30 F31 Alarm System Unit Security Basis Module 8067512
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Part no. 8708257-1
Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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Part no. 8517016-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU Kit DDE 7810980 CAS3 + Key Automatic
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Part no. 3412238
BMW X3 Series E83 2.5i 3.0i M54 Automatic Gearbox Wiring Loom Harness 3412238
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Part no. 9267200
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Part no. 9131710-1
BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Part no. 6978272
BMW 1 3 Series E87 E90 Power Distribution Fuse Box Front 6906611
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Part no. 7811702
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7811702 Manual
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Part no. 9148016
BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Part no. 3453247
BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247
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Part no. 8385232
PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Part no. 7595179
BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Manual
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Part no. 9147220
BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220
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Part no. 8573258-1
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Part no. 6901269
BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
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Part no. 9348726
BMW F20 F21 F30 Air Module Control Unit 0285013626 9461918 9296494 6826983
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Part no. 6990098
BMW X3 E83 LCi AMPLIFIER HIFI SYSTEM LEAR PL2 6990098 65126990098
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Part no. 9229880-1
BMW Z4 E89 Body Control Module H3 Junction Box ECU 9229880
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Part no. 6999950
LED Module BMW G11 G12 G20 F90 Dashboard Illumination Control Unit 6999950
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Part no. 6922720
BMW X5 E38 E39 E46 E53 GPS Navigation System Computer Unit 6922720
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Part no. 6941593
BMW 5 Series E60 Light Control Module Unit Lear LME6X (LCM) 6941593
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Part no. 3452226
BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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Part no. 9153779-1
BMW E90 Light Module Xenon Footwell Control Unit Module ECU PL2 FRM II 9153779
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Part no. 8581788-1
BMW F45 F46 F55 F60 B37 B47 Engine Starter Motor 8581788
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Part no. 6987997
BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Part no. 6938943
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Part no. 6913092
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Part no. 9393953
Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Part no. 6850497
BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
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Part no. 9242501
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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Part no. 9150109-2
BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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Part no. 9240077
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
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Part no. 6841420
AdBlue Adapter Cable BMW F30 F31 F36 Lead Wiring Harness Loom 6841420
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Part no. 9263798
BMW E92 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9263798
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Part no. 9231928
Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928
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Part no. 3425833
BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
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Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
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Part no. 9176079
BMW E60 E64 LCI Body Gateway Module ECU Control Unit KGM E6X High D-Can 9176079
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Part no. 6976157
BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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Part no. 7581123-1
BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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Part no. 6930204
BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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Part no. 9348361
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9348361
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Part no. 9393182
BMW F25 F26 F15 F16 Audio Amplifier Harman Kardon Surround Sound System 9393182
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Part no. 6886211
BMW 1 3 F20 F21 F30 F31 Parking Assistant PDC Control Unit Module 6851822
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Part no. 9252637
BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
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Part no. 7809000-1
BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Keys
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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. rhd-6954129
BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
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Part no. 9294300
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Part no. 9263468
BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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Part no. 6927929
Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Part no. 8642252
BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic
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Part no. 6801076
Front Subwoofer BMW F90 M5 G11 G30 Central Right O/S Bass Speaker HiFi 6801076
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Part no. 7639661
BMW F20 Alternator Engine Alternator Generator Denso 170A Petrol N55 7639661
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Part no. 9281517-1
BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Part no. 7580279-4
BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Part no. 8046453-JEREZ
BMW 1 3 E87 E90 PDC Ultrasonic Sensor Front Rear Jerezschwarz A73 8046453
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Part no. 7789980-1
BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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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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Part no. 7579142-4
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual
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Part no. 9270393-1
Dashboard Monitor BMW F30 F31 Display Central Information Screen 6,5" 9270393
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Part no. 9289971
BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
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Part no. 9176880
BMW E90 Body Control Module BCM ECU Junction Box Footwell 6135 9176880
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Part no. 7557809-7
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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Part no. 3427743
BMW X3 Series E83 Wiring Drivers Side Loom Front Door Cables Right O/S 3427743
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Part no. 6873418
BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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Part no. 8512498
BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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Part no. 7823420-2
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 5A872D1
BMW F40 Telematics Control Module Unit TCU 5A872D1
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Part no. 9219987
Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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Part no. 6965047-1
BMW E87 E90 M-Audio System Controller Navigation Business 6965047
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Part no. 6822602
BMW F20 F21 F30 F31 Head Unit Basic Media Navigation Headunit 6822602
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Part no. 9233036
PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89
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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. C11492-104
BMW F20 F30 Air Duct Front Slam Panel Flap Control Motor Drive Unit C11492-104
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Part no. 7537281
BMW Z4 Series E85 M54 Wiring Loom Harness Engine Ignition Module 7537281
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Part no. 9252004
BMW F30 Display Central Information Screen 8,8" Navigation Professional 9252004
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Part no. 9187544
BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Part no. 7436676
Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
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Part no. 9249073
BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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Part no. 9317174
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9317174
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Part no. 9496817
Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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Part no. 3412244
BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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Part no. 7638194
BMW F20 F21 F22 F30 F31 Engine Starter Motor N20 N26 N55 Petrol 7638194
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Part no. 9226325-1
BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Part no. 7595179-4
BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit 7595179 DME CAS3 + 2 Keys Automat
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Part no. 9348763
BMW 3 4 Series F30 F80 M3 F82 M4 Battery Cable Lead Positive Underfloor 9348763
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Part no. 3404171
BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171
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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 .