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. 1308310406
BMW F46 Light Control Module Unit Basis 1308310406
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BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V 19317173
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BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
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BMW E65 E66 730i M54 Diesel Battery Cable Starter-Base B+ 7522057
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
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BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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BMW X5 E70 Seat Control Unit Module Front Left ECU 9264976
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BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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BMW X3 Series E83 E83N LCI Solar Sun Light Sensor 3404975
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BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit 6934122
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BMW X5 X6 E70 E71 CCC CD Professional Navigation System Controller 9159047
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BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Part no. 8507202-1
BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
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Part no. 7591534-2
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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BMW 1 3 Series E87 LCI E90 Petrol N43 DME Engine Control Unit 7583225 Manual
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Part no. 9313996
BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Part no. 7811176
Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176
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Part no. 8506356-1
BMW X3 Series E83 LCI 2.0d N47 Engine ECU Kit DDE 8506356 + EWS4 + Key Manual
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Part no. 7552176-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME 7552176 CAS2 + Key Manual
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Part no. 7789981-1
Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Part no. 3414880-1
BMW X3 Series E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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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. 8589891
Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
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Part no. 9247476
BMW 3 E90 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9247476
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Part no. 8362063
BMW X5 Z4 E46 E53 E85 Drive Window Lifter Motor Left N/S Front 8362063
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Part no. 6950384
BMW 7 E66 Rear Left Door N/S Wiring Harness Loom Module Carrier 6950384
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Part no. 7333939
BMW F11 Control Unit Rear Tailgate Boot Lid Function Module ECU 7333939
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Part no. 6963038
BMW Z4 E85 Body Control Unit Module GM5STAR12 LOW 6963038
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Part no. 7805286-3
£BMW E92 E93 330d M57N2 231HP Engine ECU Kit DDE 7805286 + CAS3 + Key Automatic
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Part no. 6946528
BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
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Part no. 8803369
BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Part no. 8518802
BMW F30 F31 330dX N57N Engine Gearbox Module Wiring Cable Loom Harness 8518802
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Part no. 7640132-1
Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A
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Part no. 1440006
BMW 3 E46 Petrol M52 M54 Engine Ignition Wiring Loom Harness Cables 1440006
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Part no. 3413934
BMW X3 Series E83 Rear Bumper Wiring Loom PDC Harness Towing Hitch Hook
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Part no. 7501687
BMW 3 5 E39 E46 M52 M54 320i 325i 330i 520i Alternator Generator 90A Valeo
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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BMW F97 F98 G01 G02 G20 G30 Engine Starter Motor 8671505
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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. 7792092
BMW X5 E53 3.0d Diesel M57 Alternator 150V 7792092
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Part no. 8699973
BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8699973 Dual Clutch
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BMW F80 M3 LCI Telematic Control module Comunication Unit ATM ECE 4G 6820726
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Part no. 7812500-3
BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7812500 + CAS3 + Key
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Central Gateway BMW F01 F06 F10 LCI Module ECU Control Unit 9372743
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Part no. 6902659
BMW E46 Radio Business Cassette Player Audio Control Head Unit 6902659
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Part no. 6940297
BMW 5 6 Series E60 E61 E63 Left N/S B-pillar Airbag Sensor 6940297
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Part no. 7786861
BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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Part no. 9196020
BMW F22 F23 Active Front Bumper Sensor Pedestrian Protection Unit 9196020
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Part no. 8582280-9
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Part no. 7787578
BMW 3 Series E46 M47N Lead For Preheater System Diesel 7787578
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Part no. 7583225-13
BMW E81 E87 E90 N43 120i 320i N43 170HP ECU Kit DME CAS3 Key 7583225 Manual
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Part no. 8515754
BMW 5 Series F10 N57N Diesel Alternator 210A Valeo 8515754
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Part no. 6934837
BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit Module 6934837
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Part no. 3453809
BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809
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Part no. 7823420-1
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 9231931
BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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Part no. 9226331-1
BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Part no. 8699235
BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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Part no. 7803369-2
BMW E60 E90 330d 530d M57N2 ECU Engine KIT DDE 7803369 CAS3 + Key
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Part no. 8506951-2
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Part no. 6928931
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV 6928931
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Part no. 7501592
BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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Part no. 8686185
BMW F40 X1 F48 Mini Countryman F60 Engine Starter Motor 12V 8686185
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Part no. 7811702-3
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Part no. 7355073
BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073
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Part no. 9115360
BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Part no. 7512653
BMW 5 X5 Series E39 E53 Automatic Gearbox Basic Control Unit EGS 7512653
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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. 8047221
BMW 3 4 Series F80 M3 F82 F83 M4 Lithium-ion Car Battery 12V 69Ah 770A 8047220
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Part no. 9229885-1
BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Part no. 7811111-4
BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 7811111 Manual
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Part no. 7557290-1
BMW E87 E90 118i 318i N46 129HP ECU KIT DME CAS2 + Key 7557290 Manual
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Part no. 9241006
BMW E89 Light Led Module Footwell Unit Lear FRM3R PL2 9241006
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Part no. 7835177
BMW 5 Series E60 M5 S85 Underfloor Positive Plus Pole Battery Cable 7835177
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Part no. 8579420-1
BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625
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Part no. 9134482
BMW 1 Series E87 ECU Body Control Module Unit L2 PL2 JBBFE 9134482
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BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Part no. 9237539
BMW 1 2 Series 1 F20 F21 F22 Central Information Display Screen 6,5" 9237539
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Part no. 7803372-3
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Part no. 8570676-1
BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Part no. 6953424-4
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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BMW 5 7 Series E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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Part no. 7555361-1
BMW 3 5 Series E60 E61 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7555361 Manual
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Part no. 9273182-1
BMW X5 E70 Navigation System Car Computer CIC DAB X6 E71 9273182
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Part no. 9130203
BMW 7 Series E65 Airbag ECU Control Unit Gateway Module 9130203
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Part no. 6851284
BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
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Part no. 9282022
BMW Z4 E89 Central Information Display Dash Screen Navigation Monitor 9282022
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Part no. 9168835
BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Part no. 9176877-1
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Part no. 8671504
Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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Part no. 8746829
BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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Part no. 8733501
BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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Part no. 9340339-1
BMW 3 Series E87 Max Brose Footwell Light Module Control Unit ECU 9340339
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Part no. 7526396
BMW 3 Series E46 Automatic Gearbox Basic Control Unit Module EGS 7526396
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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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 .