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. 9243645
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645
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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. 7591534-2
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. 9166708-3
Footwell Module BMW E93 Light Control LCM PL2 FRM II 9166708
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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. 6980130
Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Part no. 7812500
BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Part no. 9123994
BMW Z4 Series E89 Cabrio Roadster Radio Antenna Mast Aerial FM Bumper 9123994
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Part no. 7811999
BMW X3 E83 LCI 2.0d N47 177HP Diesel Engine Control Unit ECU DDE 7811999 Manual
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Part no. 6928936
BMW 3 Series E90 E92 Antenna Amplifier Diversity TV Function 868 MHZ 6928936
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Part no. 8518269-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
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Part no. 6840519
Negative Lead Battery Cable BMW G11 G30 G31 X3 G01 IBS Wiring Harness 6840519
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Part no. 9207074
BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074
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Part no. 6942461
BMW 3 Series E91 E92 E93 Hifi Speaker Tweeter Rear 6942461
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Part no. 6976466
BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Part no. 6836759
BMW 3 X1 F30 LCI F48 Telematics Telephone Control Module ATM ECE 3G 6809306
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Part no. 9251488
BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM3R 9251488
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Part no. 7787581
BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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Part no. 7805585-5
BMW X5 E70 3.0d M57N2 235HP Engine ECU Kit DDE 7805585 + CAS3 + Key Automatic
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Part no. 7794952-3
Starter BMW E60 M57 Engine Starter Motor 7794952 0986021230
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Part no. 9249080
BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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Part no. 6983335-1
BMW E39 E46 E53 6-disc CD Multi Changer Control Unit Modul With Magazine 6983335
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Part no. 7521137-2
BMW X3 E83 E46 E60 E61 E65 Alternator Generator 150A 7521137
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Part no. 6957529
BMW E61 Body Control Module Unit ECU BCM KBM High 6957529
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Part no. 9275510
Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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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. 1729981
BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981
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Part no. 9205962-1
BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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Part no. 8073593
BMW F87 M2 N55 Engine Wiring Loom Harness Injection Valve Ignition 8073593
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Part no. 9226328
BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
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Part no. 7512079
BMW 3 Series E46 Petrol Wiring Loom Harness Engine Gearbox Module 7512079
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Part no. 9282286
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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Part no. 9289614
BMW F10 F11 F20 F21 F30 F31 F32 Navigation DAB Head Unit High 9289614 9290361
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Part no. 9286882
BMW E92 Coupe Footwell Xenon Light Control Module Lear FRM3R PL2 9286882
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Part no. 6929101
BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
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Part no. 7645762-1
BMW Z4 E89 sDrive 20i N20 184HP Petrol Engine ECU Kit CAS3 + Key 7645762 Manual
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Part no. 2241239-SGM
BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Part no. 7565300-1
BMW E87 E90 E91 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Manual
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Part no. 9221719-1
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Part no. 8733499
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Electronic Unit FEM 8733499
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Part no. 9200447-1
BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Part no. 8506438-2
BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic
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Part no. 6941018
BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Part no. 7550688-2
BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU KIT DME 7550688 + CAS2 + Key
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Part no. 9119707-1
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9119707
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Part no. 9248298
BMW E88 E93 LCI ECU Control Unit Air Module 9248298
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Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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Part no. 9128183-1
BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Part no. 6935686
BMW E87 LCI E90 Professional Navigation Connecting Cable 6935686
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Part no. 9340337
BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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Part no. 6945144
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Part no. 6934058
BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6934058 6907330
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Part no. 6763811
BMW 1 3 5 6 Series E60 E81 E87 E90 E91 LCI Fuel Pump Control Unit ECU 6763811
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Part no. 9390018
Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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Part no. 8703399
BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399
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Part no. 9281519
BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Part no. 9118823
BMW X3 E83 Radio Navigation System CID Control Unit CD Player 9118823
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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Part no. 6918816
BMW 1 3 5 6 X1 X3 X5 X6 Z4 Series Relay Change Over Contact Silent Blue 6918816
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Part no. 7169960
BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
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Part no. 6934529
BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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Part no. E90 Wiring Loom Set PDC Rear-1
BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Part no. 8243267
BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267
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Part no. 7552176-5
BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key
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Part no. 6977724-2
BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 8571110
BMW G11 G12 G30 G31 G32 B57 Wiring Loom Harness Injection Injector Cable 8571110
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Part no. 9270385
BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270385
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Part no. 6920182-1
BMW 3 5 X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182 DAMAGE
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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. 6938297
Flap System Motor BMW E81 E82 E87 LCI E88 Top Active Cooling Flap Unit 6938297
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Part no. 7583225-16
BMW 1 3 Series E81 E87 E90 E91 120i 320i N43 ECU Kit DME CAS3 Key 7583225 Manual
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Part no. 9153272
BMW E60 E63 LCI E65 Light Control Module LCM LM2 LMII E6X LWR
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Part no. 7640015-6
BMW E90 E91 E92 320i N43 170HP Engine Control Unit ECU DME 7640015 Automatic
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Part no. 9286157
BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9286157
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Part no. 9204842
BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842
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Part no. 9185139
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Part no. 9229878-1
BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878
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Part no. 6962296
BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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Part no. 7805287
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE 7805287 Automatic
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Part no. 9269020
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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Part no. 7567362-4
BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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Part no. 7511320
BMW 3 Series E46 Petrol Cable Alternator Starter Base B+ Wire 7511320
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Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
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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. 3413320
BMW X3 Series E83 Light Control Module Lear LM LWR ECE/RL 3413320
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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. 9168833
BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833
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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. 7641661
BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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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. 8571905-4
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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Part no. 8648003
BMW F20 F30 F31 LCI Earth Cable Battery Cable 8648003 12428648003
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Part no. 6927312-1
Seat Module BMW E60 E61 E65 E66 Front Seat Control Unit Module ECU 6927312
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Part no. 7568842-3
BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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Part no. 9205279
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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Part no. 7811700-1
BMW 1 3 Series E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700
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Part no. 6967641-1
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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Part no. 6832699
BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699
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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 .