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. 9294211
Radio Player BMW F10 F11 Audio CD Champ 2 Head Unit MID 9294211
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BMW Disc Navigation DVD Road Map Europe T1000-26966
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BMW F20 F30 LCI 120d 320d B47 190HP Engine Control Unit ECU 8582886 Automatic
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BMW X3 F25 Sat Navi Stereo Radio Audio Head Unit CD Player 9323793
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BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
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BMW 5 Series F10 F11 LCI B47 Engine Wiring Harness Cable Module Diesel 8574486
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BMW E60 E90 LCI 325i 525i N53 218HP ECU Kit DME 7578020 + CAS3 + Key Automatic
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BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys
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BMW E90 Xenon Footwell Light Module Control Unit ECU PL2 FRM II Lear 9204526
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Part no. E82 Wiring Loom Set PDC rear
BMW 1 Series E82 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 9115449
BMW X5 X6 E70 E71 Power Junction Box Positive Battery Cable Plus Pole 9115449
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Part no. 9264924
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264924
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Part no. 3450847
BMW X3 E83 LCI Cable Loom Door Passenger Side Wiring Harness 3450838
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Part no. 6976384
BMW X5 E70 Power Distribution Fuse Box Front Control Unit Module 6976384
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Part no. 6927271
BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Part no. 7636292-6
BMW F20 116i N13 136HP Petrol Engine Unit ECU Kit DME 7636292 FEM Key Automatic
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Part no. 8638742
BMW G11 G12 G20 G30 Ground Line Battery Earth Cable Wire Cable 8638742
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Part no. 9130764
BMW E65 E66 CD Audio System Controller Player 9130764
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Part no. 8511958
Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
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Part no. 7617206
BMW F32 F33 X5 F15 Mini F55 F56 Plug Socket Wiring Connector 2 Pin 7617206
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Part no. 6941430
BMW 5 6 Series E60 E63 Passenger Door Airbag Control Module N/S 6941430
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Part no. 8512498-2
BMW X1 E84 20dX N47 177HP ECU Kit DDE 8512498 CAS3 + Key Automatic
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Part no. 6910719
BMW Z4 E85 E86 CD-Changer Bracket Left N/S Holder Mount Carrier 6910719
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Part no. 9205278
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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Part no. 7621178
BMW E81 E87 LCI E90 N43 120i 320i Engine Control Unit ECU DME 7621178 Manual
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Part no. 9278745
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Part no. 7075947-1
BMW 5 7 Series E60 E61 E65 E66 Front Left Seat Angle Adjustment Drive 7075947
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Part no. 9281688-1
On-Board Screen BMW F30 F31 Central Information Display Monitor 8,8" 9281688
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Part no. 8740343-1
BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP ECU Kit DME 8740343 FEM Key
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Part no. 7524115
BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Automatic Gerabox
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Part no. 7541335
BMW E60 E61 E83 Petrol M54 Engine ECU Control Unit DME 7541335
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Part no. 9132250
BMW 5 Series E61 E61N LCI IBS Negative Battery Lead Cable 9132250 9215950
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Part no. 6843901
BMW F20 Module BCM Body Control Unit Module ECU 6843901
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Part no. 7855481
BMW F90 M5 F92 M8 Oil Level Sensor Wiring Harness Loom Cable 7855481
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Part no. 6901469-1
2X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 5A5CE21
Telematics Module BMW G01 G02 G20 G21 G30 G31 F40 F44 Control Unit 5A5CE21
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Part no. 8365326
BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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Part no. 8475351-1
BMW X5 F15 X6 F16 30dX N57 258HP Engine ECU Kit DDE 8475351 BDC Key Automatic
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Part no. 9258231
BMW 1 3 4 Series F20 F30 F32 Seat Wiring Loom Electric Harness 9258231 9258228
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Part no. 8589141-3
BMW F20 LCI F36 120d 420d B47 190HP Engine ECU Control Unit 8589141 Automatic
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Part no. 9271959
Front Bumper PDC Wiring BMW F10 F11 Parking Sensor Loom Harness 9271959
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Part no. 7583225-4
BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
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Part no. 7527072-5
BMW E60 525i M54 192HP ECU Kit Engine Control Unit DME 7527072 CAS2 Key Manual
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Part no. 6976465
BMW E60 E61 Air Module Control Unit Centre Sensor ECU 6976465
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Part no. 6945075
BMW 3 Series E91 E91N LCI Bracket Holder CD Changer Radio Player 6945075
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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. 9288769
BMW F20 F22 F30 Sound Speaker Front Door Audio Mid Range Stereo HiFi 9288769
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Part no. 8573258-4
BMW F20 F21 116d N47N 116HP ECU Enigne Unit Kit DDE 8573258 + Keys + FEM Manual
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Part no. 7620419
BMW F10 F11 306HP N55 535i ECU Engine Control Unit Module DME 7620419 Manual
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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. 7565300-14
BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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Part no. 7527072-1
BMW E60 520i M54 170HP Engine ECU Kit DME + CAS2 + Key 7527072 Automatic
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Part no. 6942677
BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 6942677
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Part no. 9316663
Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Part no. 6796393
BMW F01 F07 F10 F12 HSR Active Steering Module Rear Axle Control Unit 6796393
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Part no. 7803372-6
BMW E87 E90 E91 118d 318d M47N2 122HP Engine Unit Module ECU DDE 7803372 Manual
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Part no. 8236846
BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846
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Part no. 8382453
BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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Part no. 8631656
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Motor Sensor System Module 8631656
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Part no. 9262361
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9262361
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Part no. 3420786-1
BMW X3 Series E83 1 Light Control Module Lear LM MAN.LWR 61313420786 3420786
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Part no. 8517862-9
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8517862 CAS4 + Key
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Part no. 7812502
BMW E81 E82 E87 LCI E88 123d N47S Engine Control Unit ECU DDE 7812502 Manual
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Part no. 7809001-1
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
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Part no. 6961389
BMW 7 E65 E66 E67 Top-Hifi System Audio Amplifier Logic 7 L7 DSP 6961389
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Part no. 6963025
BMW E64 Air Module Control Unit Centre Sensor ECU 6963025
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Part no. 9315683
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315683
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Part no. 9302159-1
Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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Part no. rhd-7559821
Engine Wiring BMW E92 E93 325i 330i N52N Injector Ignition Cable Loom 7559821
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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. 7605060-1
Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
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Part no. 7811700-8
BMW E60 E61 LCI E90 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 + Keys Manual
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Part no. 7580279-9
BMW E87 E90 118i 318i N43 Engine Control Unit Module ECU DME 7580279 Automatic
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Part no. 6828085
PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Part no. 9270500
BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
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Part no. 8574091-2
BMW F10 F11 520d N47N 184HP ECU Kit Unit DDE 8574091 CAS4 Keys Manual
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Part no. 9866980-1
BMW F20 Body Control Unit Module REM Fuse Box 9866980
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Part no. 9201980
BMW F01 F02 F07 F10 F11 F12 F13 G11 LCI Battery Power Dividing Element 9201980
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Part no. 7588620-3
£BMW 3 5 Series E60 E90 325i 525i N53 ECU Kit DME CAS3 + Key 7588620 Automatic
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Part no. 6920759
GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
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Part no. 6882965
ICM Control Unit BMW F06 F07 GT F11 F12 F13 SRS Control Module Bag Unit 6882965
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Part no. 9125032
BMW 1 er E82 E88 125i 135i Positive Battery Lead Cable Wiring Petrol 9125032
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Part no. 8517862-2
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
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Part no. 9125035
BMW 3 Series E90 E90N E91N E92 E93 LCI Positive Cable Battery Lead 9125035
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Part no. 9329800
BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Part no. 8639595-5
BMW F30 320i F32 420i Xd N20 184HP Engine Unit ECU Kit DME 8639595 Manual
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Part no. 9258173-1
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Part no. 8578077-2
BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU Kit DDE 8578077 + FEM + Key
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Part no. 9269956
BMW X1 Series E84 Cable Loom Door Passenger Side Wiring Harness 9269948
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Part no. 9322056
Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Part no. 6956586
BMW 1 Series E87 Footwell Light Module ECU Control Unit NSW PL2 FRMFA 6956586
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Part no. 6856746
Towing Module BMW F11 Tourning Trailer Towing Control Unit 6856746
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Part no. 5A7DDA2
BMW F40 G20 G21 G30 G31 Hifi Audio Sound AMP Amplifier Module RAM 5A7DDA2
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Part no. 9160101
BMW 3 Series E93 E93N LCI Cabrio Battery Cable Plus Pole 9160101
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Part no. 8582280-6
BMW F20 F21 116d N47N 116HP Engine ECU Kit DDE 8582280 + Key + FEM Automatic
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Part no. 9138444
BMW E87 E90 E91 Professional CCC Navigation System Controller
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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 .