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. 6936653-1
BMW E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Part no. 6935686
BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
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Part no. 6879835
Air Module BMW F20 F23 F30 F32 F36 Domain Control Module ICM Plus Unit 6879835
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BMW E63 E64 LCI Driver's Seat Occupancy Sensor Mat Control Unit Module 9126457
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6948336
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Part no. 8780776
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 8780776
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Part no. 8511385-1
BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Part no. 9292948
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9292948
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Part no. 7640875
Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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BMW E65 E66 E67 Diversity Antenna Tuner Amplifier 9131151
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BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
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Part no. 9166782
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
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Part no. 7810980-1
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Part no. 8708259
BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8708259
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Part no. 7616119
Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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Part no. 7586933-3
BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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Part no. 7543083-1
BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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Part no. 9282119
BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119
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Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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Part no. 7800131-1
BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + 2 Keys Automatic
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Part no. 7553166
BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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Part no. 9166707-1
BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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Part no. 9125031
BMW 1 Series E81 E87 LCI Positive Battery Lead Cable Wiring
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Part no. 9204525-1
BMW 1 Series E87 ECU Light Module Control Unit NSW PL2 FRM II Lear 9204525
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Part no. 9171347
BMW 5 X5 Series E61 E61 LCI E70 Telematics Bluetooth Control Unit Module 9171347
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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. 9133143
BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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Part no. 6828076-1
BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Part no. 9160557
BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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Part no. 1387614
BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
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Part no. 6982386
BMW X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6982386
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Part no. 9216273
BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Part no. 7552815
BMW Z4 E89 23i 30i N52N Alternator Denso 170A 7552815
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Part no. 9248179
BMW E81 E87 E90 E91 LCI Combox Telematics Module 9248179
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Part no. 8570673
BMW F07 F10 Alternator Generator 221A Valeo N57N N57Z Diesel Engine 8570672
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Part no. 9172420
BMW 1 3 5 Series E60 E81 E87 LCI E90 Hands-free Bluetooth Module High MULF2
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Part no. 7575875-3
BMW E90 E91 E92 335i 306HP Engine N54 ECU Kit DME 7575875 + CAS3 + Key Automatic
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Part no. 7504737
BMW 5 X5 Series E39 E53 Petrol M62 Engine Starter Motor Adapter Cable 7504737
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Part no. 8634167
Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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Part no. 6965047
*BMW 1 3 Series E87 E90 M-Audio System Controller Navigation Business 6965047
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Part no. 9263459
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD Player 9263459
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Part no. 9399427-1
Radio Head Unit BMW F20 F21 F22 F30 F31 Basic Media Navigation Headunit 9399427
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Part no. 8236846
BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846
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Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
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Part no. 9852926
BMW F31 X5 F15 Mini F60 Electric Tailgate Bootlid Control Unit Module 9852926
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Part no. 8518168-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key 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. 6953424-1
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Part no. 9348726-1
BMW F20 F21 F30 F31 Air Module Control Unit ECU 9348726 0285012518
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Part no. 7555361-3
BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Part no. 6952328
On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328
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Part no. 8679840
BMW F80 M3 F82 F83 M4 431HP Engine Unit Module ECU DME 8679840 Dual Clutch
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Part no. 6798872
BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872
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Part no. 9341082
BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Part no. 7555926-1
BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A
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Part no. 6860962
BMW X3 F25 ECU ICM Control Unit Air Module Bag Safety 6860962 0265020494
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Part no. 6988974
BMW X1 E82 E84 E88 E90 E91 E92 LCI Battery Cable Plus Pole 6988974
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Part no. 6799677
BMW F11 Touring Rear Axle Air Suspension Control Unit ECU Module 6799677
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Part no. 6967641-2
BMW 1 3 Series 2 E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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Part no. 9224595
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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Part no. 8507623-2
BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
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Part no. 9324784-1
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784
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Part no. 8369503-1
BMW 3 Series E46 1 Touring Rear Bumper PDC Cables Wiring Loom Set 8369503
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Part no. 6954776
BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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Part no. 7790548
BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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Part no. 8586544
BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Part no. 7802471-1
Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Part no. 9322056-1
Battery Cable BMW X5 F15 X6 F16 Positive Plus Pole Distribution Wiring 9322056
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Part no. 9204525
BMW 1 Series E87 LCI ECU Light Module Control Unit PL2 FRM II Lear 9204525
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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. 7501690-1
BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
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Part no. 9340339-2
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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Part no. 7561684-7
BMW Z4 E85 2.5si N52 218HP Engine ECU Control Unit DME 7561684 Manual
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Part no. 7796637-1
BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7796637 + CAS2 + Key Automatic
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Part no. 6950525-2
4 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
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Part no. 9175652
BMW 1 Series E82 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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Part no. 2687921
BMW 5 X3 Series E39 E60 E61 E83 PDC Ultrasonic Parking Sensor Black 4687921
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Part no. 9244188
Telematics Module BMW F01 F07 F10 Bluetooth Combox Telematik ECU 9244188
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Part no. 8703399
BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399
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Part no. 7565300
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME Manual 7565300
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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. 9187108-1
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9187108
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Part no. 9183564
BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478
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Part no. 9292248-1
Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Part no. 9126978
BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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Part no. 6931707
BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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Part no. 2460440
BMW 3 Series E90 E92 E93 M3 Hydraulic Unit DSC ABS Pump 7844739
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Part no. 9176070
BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Part no. 8610678-1
BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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Part no. 9159811
BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
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Part no. 6941592
BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
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Part no. 8574093
BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Part no. 6986980
BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Part no. 9343198
BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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Part no. 6942638
BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
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Part no. 9867503
Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
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Part no. 6983067
BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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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 .