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. 8580192
Glow Plug Cable BMW G20 X3 G01 B47 Wiring Harness Engine Glow Module 8580192
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Part no. 4752820
Positive Cable BMW F20 F21 Under Bonnet Battery Wiring Loom 4752820
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Part no. 6771415
BMW E65 E66 E67 Steering Wheel Electronics Control Unit Module 6771415
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Part no. 9148016-1
BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Part no. 6970701-2
Rear Bumper Antenna BMW E93 E93N LCI 2 Aerial Telephone 6970701
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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. 6933529
BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529
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Part no. 9249086-2
BMW E89 Max Brose Footwell Light Module Control Unit ECU FRM3R 9249086
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Part no. 8579482-3
BMW F20 F21 116d ed Diesel N47N 116HP Engine ECU Kit DDE 8579482 Key FEM Manual
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Part no. 9368337
BMW 3 F30 LCI 330e Hybrid Battery Cooling Refrigerant Double Pipe 9368337
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Part no. 7787558-1
BMW 3 E46 M47N 320d Engine Wiring Harness Module Diesel Automatic 7787558
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Part no. 7787356-1
BMW E46 E60 LCI E83 E87 M47N2 Diesel Starter Motor 7787356
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Part no. 7545877
Battery Cable BMW E60 E61 E63 E64 N62N Alternator Starter Base B+ Lead 7545877
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Part no. 1164130
BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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Part no. 6934011
BMW 7 Series E65 E66 Cable Harness Loom Front Door Wiring Left N/S 6934010
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Part no. 8486839-1
BMW F20 F21 LCI F22 F23 F30 B38 136HP Engine Control ECU DME 8486839 Automatic
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Part no. 8588547
Wiring Loom BMW X3 G01 X4 G02 B57 Harnes Diesel Engine Automatic Gearbox 8588547
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Part no. 7337226
BMW F32 Door Wiring Front Passenger Door Loom Cable Wiring Harness 7337226
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Part no. 5A7A3B9
BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
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Part no. 1436907
BMW E38 Earth Cable Battery Engine Electrical Cable Wiring 1436907 1436908
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Part no. 8577625-2
BMW F20 F21 114d N47N 95HP Engine Control Unit DDE 8577625 ECU Kit FEM Key Lock
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Part no. 6923711
BMW 7 Series E65 Cable Door Rear Left N/S Wiring Harness 6923711 6934038
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Part no. 8367253
BMW E38 Fuse Box Battery Power Junction Control Unit Module 8367252 8367253
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Part no. 6981946
BMW 7 E65 E66 E67 Antenna Amplifier Control Module ECU Signal Booster 6981946
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Part no. 7646814
BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814
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Part no. 8506444-2
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
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Part no. 6935221
BMW E46 M3 Coupe Door Wiring Loom Harness Cable Passenger's Side 6935219
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Part no. 8589158
Battery Cable BMW G01 G02 B47B B47D Alternator Base B+ Lead 8589158
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Part no. 9223395
Head Unit BMW F01 F10 F20 F30 Navigation Sat Nav High Control Module 9223395
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Part no. 9169123
BMW 6 Series E63 E63N LCI Centre Console Switch Centre DTC PDC 9169123
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Part no. 7791190-1
BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7791190 EWS3 + Key Automatic
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Part no. 7543083-3
Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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Part no. 7519308-3
BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key
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Part no. 7624048-1
BMW Z4 E89 23i N52N 204HP sDrive Engine ECU Kit CAS3 + Key 7624048 Manual
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Part no. 6903094
BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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Part no. 7588620-7
BMW E60 E90 325i 525i N53 218HP Engine Control Unit ECU DME Kit 7588620 Manual
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Part no. 8586574
BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574
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Part no. 7948147
BMW F40 F44 Rear Seat Bench Occupancy Mat Control Unit Sensor 7948147
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Part no. 8642676
Engine Wiring BMW F30 LCI 330e Ground Electrical Cable Wiring 8642676
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Part no. 410381
BMW 3 Series E92 Bluetooth Car Phone Display Screen Bracket Housing 0410381
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Part no. 9242072
BMW X6 E71 Door Wiring Harness Loom Cables Driver's Side 9242072
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Part no. 8382454
BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454
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Part no. 6935219
BMW E46 M3 Coupe Door Wiring Loom Harness Cable Driver's Side 6935219
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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. 6955347
CD Player BMW E60 E61 M-ASK M Audio System Controller Navigation Radio 6955347
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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. 8510137-2
BMW F10 F11 520d N47N 184HP Engine ECU Kit DDE 8510137 CAS 4 + Key Automatic
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Part no. 8610484-6
BMW F20 F21 116i N13 136HP Engine Control Unit ECU DME 8610484 Manual
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Part no. 7506791
BMW 3 Series E46 M54 Engine Wiring Harness Module Petrol Automatic 7506791
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Part no. 9387265-1
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9387265
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Part no. 6874797
BMW F25 VDC1 Suspension Control Module Unit ECU 6874797
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Part no. 9126457
BMW E63 E64 LCI Driver's Seat Occupancy Sensor Mat Control Unit Module 9126457
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Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
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Part no. 8715804
BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
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Part no. 7822015
BMW G20 G21 G26 330d 430d B57P Diesel Starter Cable Wiring B+ 7822015
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Part no. 7594483-1
BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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Part no. 6922528
BMW 5 Series E61 E61N LCI Holder Bracket Additional Battery 6922528
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Part no. 9365055
BMW 3 Series F30 LCI 330e Hybrid Trunk Cable Wiring Harness Rear 9365055
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Part no. 7802261-2
BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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Part no. 8372875
BMW E38 Headlight Light Check Module Control Unit ECU Lear LCM II 8372875
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Part no. 8518424-3
BMW F20 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8518424 + FEM + Key Manual
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Part no. 8606306-5
BMW F30 320iX xDrive 184HP N20 Engine Control Unit ECU DME 8606306 Manual
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Part no. 6841702-1
Distribution Box BMW X3 G01 X4 G02 Power Junction Point B+ Control Rear 6841701
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Part no. 6933514
BMW E46 PDC Cable Wiring Harness Loom Rear Bumper 6933514
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Part no. 7788680-2
BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Part no. 8377049
BMW 3 5 7 X5 E38 E39 E46 E53 6-disc CD Changer Without Magazine 8377049
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Part no. 7604799
BMW AGM Exide Car Battery 12V 60Ah 660A 7604799
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Part no. 7555361-6
BMW E60 E61 525i Petrol N52 218HP ECU Engine Kit DME 7555361 CAS2 + Key Manual
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Part no. 8589141-8
BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8589141 CAS4 + Key Manual
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Part no. 7605076
BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076
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Part no. 7506793
BMW 3 Series E46 M54 Engine Gearbox Module Wiring Cable Loom Harness 7506793
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Part no. 7802929
BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator VALEO 170A 7802929
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Part no. 6913150
BMW 7 Series E65 Door wiring harness mod. carrier rear right O/S
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Part no. 7641652-1
Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652
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Part no. 9339823
BMW X3 G01 G11 G12 G30 G31 Battery Positive Terminal Pint Jump Start 9339823
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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. 7621178-10
BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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Part no. 9312471
BMW X6 71 Amplifier HiFi Stereo System Sound 9312471
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Part no. 9355750
BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750
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Part no. 9491592-1
BMW F22 F23 F87 Rear Tail Light Lamp LED Wiring Loom Right O/S 9491592
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Part no. 9359014
BMW F25 Car Access Key Reading Module Control Unit ECU CAS4 CG+ELV 9359014
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Part no. 8582155-1
BMW F20 F30 F32 120dX 320dX 420dX 184HP N47N Engine ECU Kit DDE 8582155 FEM Key
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Part no. 7541335-1
BMW E60 520i M54 170HP Engine Control Unit ECU Kit DME 7541335 CAS2 Key Manual
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Part no. 9313992
BMW F13 Front Seat Control Module Unit ECU Left Right N/O/S 9313992
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Part no. 8372271
PDC Module BMW E38 Parking Assist Distance Control Module Unit ECU PDC 8372271
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Part no. 8379279
BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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Part no. 8714480
BMW 1 F40 Door Loom Rear Right O/S 8714480
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Part no. 9147387
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9147387
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Part no. 9110882-1
BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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Part no. 7572873
BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
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Part no. 9241826-1
BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9241826
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Part no. 8577764
BMW F10 F11 520d Diesel N47N 184HP ECU Kit DDE 8577764 + Key + CAS4 Manual
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Part no. 6929562
BMW 7 Series E65 E66 Sensor B-Pillar Airbag Right O/S 6929562
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Part no. 7599881-16
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine ECU DME Kit 7599881 CAS3 + Key
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Part no. 8740343-3
BMW F20 F30 F32 LCI 120i 320i 420i B48 184HP Engine Control Unit ECU DME 8740343
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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. 6840399-1
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Part no. 6943437-2
BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Part no. 7621178-11
BMW E81 E87 LCI E90 N43 170HP Engine Control Module ECU Kit DME 7621178 Manual
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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 .