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. 9149025
BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Atlntikblau 9149025
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Part no. 7552393
BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7552393 Automatic
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Part no. 8512291-1
BMW 3 Series E90 E91 LCI N47N 320ed 320d ed ECU KIT DDE CAS 3 Key 8512291 Manual
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BMW E65 E66 Airbag ECU Control Unit Gateway Module 6967658
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BMW E87 E90 E91 N46 120i 320i Engine DME 7561834 ECU KIT CAS2 + 2 Keys Manual
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Part no. 3417417
BMW X3 Series E83 Boardmonitor Central Information Display Screen 6,5"
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Part no. 9147139
BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 9125251
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Part no. 9203082
BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
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Part no. 6904905
BMW E65 E66 Battery Cable Positive Plus Pole 6904905
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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. 6939069
BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069
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Part no. 6983009
BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009
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Part no. 6972678
BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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Part no. 6921566
BMW E65 Control Unit Power ECU Module 6921566 6943489 6935431 6957026
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Part no. 7565300-4
BMW E87 E90 N46 120i 320i 150HP Engine Control ECU DME 7565300 Manual
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Part no. 9131151
BMW E65 E66 E67 Diversity Antenna Tuner Amplifier 9131151
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Part no. 9147184
BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147184
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Part no. 9143162
BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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Part no. 9210510
BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Part no. 9110678
BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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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. 6942461
BMW 3 Series E91 E92 E93 Hifi Speaker Tweeter Rear 6942461
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Part no. 9204536
BMW 1 Series E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
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Part no. 7614585
Power Supply Module BMW F20 F21 F30 F31 i3 I01 Integrated Relay 7614585
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Part no. 9159041
BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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Part no. 6986301
BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
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Part no. 9147212
Key Reading Module BMW E87 E90 E91 ECU Control Unit CAS 3 9147212
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Part no. 7559178-1
BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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Part no. 9138448
BMW E87 E90 E91 E92 CCC CD Professional Navigation System 9138448
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Part no. 6977724
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 7797217
BMW 1 3 5 Series E60 E87 E90 E91 M47N2 120d 320d ECU Kit DDE CAS2 Key 7797217
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Part no. 6934649
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649
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Part no. 9243919
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Part no. 6942908
BMW 3 X3 Series E46 E83 Navigation Computer GPS System DVD Player Unit 6942908
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Part no. 6911838-BLK
BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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Part no. 7508637
BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635
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Part no. 6987546
BMW 1 X5 Series E53 E87 Hands-free Bluetooth Charging Module MULF Unit 6987546
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Part no. 3415007-1
BMW X3 Series E83 Boardmonitor Central Information Display 6,5" Screen 3415007
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Part no. 6760070
BMW 7 Series E65 E66 Dynamic Drive Power Steering Pump 6760070
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Part no. 6933238
BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
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Part no. 6936997
BMW 5 Series E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6936997
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Part no. 9224599
BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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Part no. 6978232
BMW E60 E61 E63 E65 X5 E70 X6 E71 PDC Parking Control Module Module 6978232
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Part no. 9151864-1
HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734
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Part no. 3448327
BMW X3 E83 LCI Instrument Cluster Speedo Clocks Diesel Manual 3448327
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Part no. 8377939
BMW X5 E39 E53 Sunroof Sliding Roof Drive Unit Motor Actuator 8377939
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Part no. 6939710
BMW 5 6 Series E60 E61 E63 E64 Passenger Door Airbag Control Module N/S 6939710
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Part no. 9243913
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9243913
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Part no. 8510829-1
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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Part no. 9119427
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
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Part no. 7631587
BMW 1 3 X5 Series E53 E81 E87 E90 LCI Battery Mounting Bracket Clamp Bolt Holder
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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. 6989078
BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Orientblau Blue
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Part no. 7068055
BMW 5 7 Series E60 E65 Front Seat Flexible Shaft And Transmission Bracket Set
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Part no. 9110890
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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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. 6978714
BMW E61 Body Control Module ECU Unit KBM High 6978714
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Part no. 7068054
BMW 5 7 Series E60 E65 Front Seat Transmission Bracket Arm 7068054
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Part no. 6958198
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6958198
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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. 7075948
BMW 5 7 Series E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 7075948
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Part no. 9177199
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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Part no. 8506281-5
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
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Part no. 9120798
BMW 5 Series E60 E61 LCI Right/Left Rear Door Wiring Loom 9120798 N/O/S
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Part no. 7595179-2
BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
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Part no. 7521759
BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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Part no. 7534921
BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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Part no. 6957351
BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65126957351 6957351
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Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
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Part no. 8386708
BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708
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Part no. 9187539
BMW E87 LCI Body Control Module ECU H2 Junction Box 9187539
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Part no. 6989160
BMW 7 Series E65 E66 Rear Bumper PDC Parking Ultrasonic Sensor Black Sapphire
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Part no. 7595179-3
BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
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Part no. 9203081
BMW E63 Light Control Unit Module LCM LM II E6X LWR 9203081
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Part no. 6973114
BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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Part no. 7801710-1
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Part no. 6962678
BMW 1 3 Series E81 E87 E91 Switch Cluster Steering Column Wiper Stalk 6962678
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Part no. 7809000-2
BMW 1 3 Series E81 E87N E90 N47 Kit Diesel Engine DDE Control Unit ECU 7809000
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Part no. 6917541
BMW 7 Series E65 E66 E67 Diagnosis Interface Media System MOST Jumper 6917541
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Part no. 9118730
BMW 5 6 Series E60 E61 E63 Body Gateway Module KGM LOW LEAR 61359118730 9118730
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Part no. 9160186
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
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Part no. 8268997
BMW 3 6 Series E46 E64 Headlight Control Level Sensor Bracket 8268997
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Part no. E87 E90 Cable Aux 178cm
BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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Part no. 9166706
BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706
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Part no. 7823422-1
BMW 1 3 Series E81 E87 E90 LCI 118d 318d N47 Diesel ECU Kit DDE CAS3 Key 7823422
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Part no. 9267201
BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Part no. 6972577
BMW 5 E60 E61 Wiring Loom Harness Co-Drivers Passengers Side 6982360
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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. 9114448
BMW 5 Series E61 Touring Body Control Module ECU Control Unit High 9114448
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Part no. 7579142-7
BMW E87 LCI E90 118i 318i Petrol ECU Engine Control Kit N43 DME 7579142 CAS3 Key
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Part no. 7561834-1
BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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Part no. 7801711-3
BMW 1 3 Series 3 E60 E87 E90 M47N2 120d 320d DDE Engine Control Unit ECU 7801711
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Part no. 9117532
BMW E60 E61 M-ASK M-Audio System Controller CD Player 9117532
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Part no. 9159807
BMW 1 Series E87 LCI ECU Light Module Footwell NSW PL2 FRM II Lear 9159807
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Part no. 9267419
BMW E90 LCI Body Control Module H1 61359267419 9267419
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Part no. 6907322
BMW 7 Series E65 E66 Centre Console Front Armrest Tray Cables Wiring Set 6907322
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Part no. 9166711-1
BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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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 .