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. 9126251
BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Part no. 7857778
Steering Wheel Module BMW X3 G01 X5 G05 G20 G30 Heating Control Unit 7857778
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BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
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BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual
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Door Module BMW E39 Passenger Door Control Module Hella 8378766 6904242
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BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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BMW F97 F98 G01 G02 G20 G30 Engine Starter Motor 8671505
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BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9241973
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BMW F45 Active Tourer LED Module Cornering Light Front Right O/S Unit 7391400
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Part no. 9145097
BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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Part no. 6777435
BMW E53 E60 E61 E65 E66 E83 Power Steering Speed Sensor 6777435
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Part no. 6924555
BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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Part no. 7521122-1
BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Part no. 9166279
BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Part no. 9210508
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
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Part no. 6965047-1
BMW E87 E90 M-Audio System Controller Navigation Business 6965047
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Part no. 8509036-3
BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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Part no. 6829104
Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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Part no. 6904023
BMW E39 E46 Active Parking System Control Module Unit ECU PDC 6904023
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Part no. 7603779
Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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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. 9230617-1
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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Part no. 9214977
BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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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. 6943437-2
BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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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. 7579142-2
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Part no. 7620624
Mini Cooper S R55 R56 LCI N18 Wiring Loom Harness Engine Automatic Gearbox
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Part no. 7527072-3
BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
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Part no. 7915643
Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Part no. 9228272
Telematics Module BMW F01 F07 F10 F12 Bluetooth Control Unit ECU 9228272
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Part no. 9110678
BMW E81 E87 E90 E91 E92 Radio CD Professional 9110678
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Part no. 7797661
Alternator BMW X3 E53 X5 E83 M57N2 Generator Diesel Power 150A 7797661
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Part no. 7796819-1
Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819
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Part no. 6976157
BMW E60 E61 Driver's Side Door Air Module Control Unit Module 6976157
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Part no. 8380407
BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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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. 6925897
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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Part no. 6780456-3
BMW 5 6 Series E60 E61 E63 E64 Steering Wheel Airbag Wiring Loom Cable Plug
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Part no. 8643126
BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic
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Part no. 7561834-8
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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Part no. 7560955-2
BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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Part no. 9253111-3
Battery Cable BMW F20 F21 F22 Red Positive Plus Pole Blow Off 9253111
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Part no. 8379626
BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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Part no. 6906609
Fuse Box Control BMW E87 E90 E91 E92 E93 Front Power Distribution 6906609
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Part no. 9244394
Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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Part no. 6943833
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Part no. 2241253-SGM
BMW 7 E65 E66 Rear Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Part no. 5B4E029
Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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Part no. 6945029
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Part no. 6963828
BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Part no. 8517015-1
BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8517015 CAS3 Key Automatic
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Part no. 7811111-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Part no. 7640015-1
BMW E81 E87 LCI N43 116i 2.0 122HP ECU Control Unit Kit DME 7640015 CAS3 + Keys
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Part no. 9170721
BMW E90 E91 E92 Professional CCC Navigation System Controller 9170721
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Part no. 6953468
BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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Part no. 7422700
Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Part no. 6943830
Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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Part no. 7352602
BMW X1 Series F48 Right Head Air Module Roof Curtain O/S 7352602
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Part no. 9147190
BMW E60 E61 LCI E90 E91 E92 CAS3 Control Unit Key Reading Module 9147190
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Part no. 9312917
BMW X3 F25 Central Gateway Module Control Unit Lear 9312917
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Part no. 8582280-9
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Part no. 7835548
BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
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Part no. 7559178-5
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 9133329
BMW E39 E46 E81 E87 E90 Hands-Free Electronics Charging Module MULF 9133329
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Part no. 9114362-1
BMW 3 5 6 E60 E63 E90 Dashboard Onboard Monitor Display Screen 8.8
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Part no. 6809374
BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374
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Part no. 6920461
BMW E60 E61 E63 E65 Amplifier Stereo HiFi Harman/Becker 6920461
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Part no. 7565300-6
BMW E87 E90 N46 120i 320i 150HP Engine Unit ECU kit DME 7565300 CAS3 Key Manual
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Part no. 7788680-5
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Part no. 9187933
BMW 1 3 Series E88 E93 Mini Cabrio R57 Rollover Control Module Unit 9187933
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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. 2163807
BMW E92 Mid-Range Loudspeaker Midtone Speaker 2163807
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Part no. 8574093-1
BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Part no. 7552176-7
BMW Z4 E85 2.0i N46 150HP ECU Engine Control Kit DME 7552176 CAS2 Key Manual
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Part no. 8065118
Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118
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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. 7521123-1
Starter Motor BMW E60 E81 E87 E90 F20 Bosch 0986021500 7521123
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Part no. 9159808-1
BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Part no. 8378339
BMW 3 Series E46 Cable Loom Door Rear Left Right N/O/S Wiring Harness 8378338
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Part no. 8794119
BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
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Part no. 9321002
Battery Cable BMW X3 F25 X4 F26 Underfloor Positive Plus Lead Harness 9321002
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Part no. 6850497
BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
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Part no. 1393415-2
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 9259354
BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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Part no. 9227500
BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 9264975
BMW X5 E70 X6 E71 Front Seat Control Unit Module Memory ECU 9264975
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Part no. 4542789
Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 4542789
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Part no. 9181326-1
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Part no. 7592529
BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
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Part no. 9193753-1
BMW E81 E87 LCI Board Monitor Central Information Display 6,5" 9193753
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Part no. 7493231
BMW F32 F36 F80 F82 M4 LCI Headlight Indicator Light LED Module Left N/S 7493231
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Part no. 8509035
BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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Part no. 7605478-1
BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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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 .