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. 6821139
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Unit Basic 6821139
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BMW 5 Series E60 E61 Cable Loom Driver's Door Wiring Harness 6972569 6972564
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BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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BMW E87 E90 N46 118i 318i 129HP ECU Engine Module KIT DME 7561834 CAS2 Key
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BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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Bluetooth Module BMW E87 LCI E90 Hands Free High MULF2 9187625
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Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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BMW F98 Engine Starter Motor 8671505
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BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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BMW E60 E61 LCI E90 E91 E92 CAS3 Control Unit Key Reading Module 9147190
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 7811700-3
BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Part no. 8572918
BMW 1 Series F20 F21 LCI 116d 116ed B37 Diesel Engine Starter Motor 8572918
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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. 6895714
Suspension Module BMW F82 Rear Axle Dynamic Suspension Control Module 6895714
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Part no. 9263790-1
BMW X5 E70 LCI Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.5-8 7843326
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BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Part no. 6943851
BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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Part no. 7605478-1
BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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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. 7580279-7
BMW E87 LCI E90 118i 318i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 3417859
BMW X3 E83 2.0d Diesel M47N2 Engine Wiring Loom Harness 3417859
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Part no. 7587164-1
BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
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Part no. 6922720
BMW X5 E38 E39 E46 E53 GPS Navigation System Computer Unit 6922720
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Part no. 6959145-1
BMW E81 E82 X1 E84 E87 E90 E91 Radio Stereo Business CD Player Head Unit 6959145
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Part no. 9153804
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Part no. 6989112-SCH
BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668
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Part no. 9126978
BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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Part no. 9282118
BMW F10 CAS4 Control Unit Module 9282118 61359282118
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Part no. 9181411
BMW F07 GT F10 F11 Hands Free Telephone Microphone Black 9181411
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Part no. 9237047
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Part no. 9120773
BMW E60 E61 Doors Wiring Loom Harness Co-Drivers Passengers Side 9120773
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Part no. 9175652-1
BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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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. 8582521-1
BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key
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Part no. 9399431
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Part no. 6946528
BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
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Part no. 8574091-6
BMW F10 F11 520d N47N 184HP Engine ECU Kit Unit DDE 8574091 CAS4 + Key Manual
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Part no. 8742493
BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Part no. 6942102
BMW 6 Z4 Series E64 E85 Sensor B-pillar Airbag Right O/S 6942102
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Part no. 9192680-1
BMW 5 6 E60 LCI E63 Radio CHAMP Business CD Player System Controller 9192680
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Part no. 7810980-2
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE Kit 7810980 Automatic
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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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Part no. 8598759
BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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Part no. 9131850-2
CD Changer BMW E60 E61 E63 6-Disc Compact Changer With Magazine 9131850
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Part no. 9112631
BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631
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Part no. 7835123
BMW E60 E61 LCI M5 E63 M6 Wiring Harness Air Conditioning Compressor
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Part no. 9281517
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9281517
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Part no. 7557809-2
BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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Part no. 9240528-2
BMW X1 E84 Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Part no. 9194064
Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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Part no. 9176070
BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Part no. 8634244
Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244
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Part no. 7803373-6
BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3
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Part no. 9170454
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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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. 9192680
BMW 5 6 E60 LCI E63 Radio CHAMP Business Player System Controller 9192680
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Part no. 7555926-2
BMW E60 E81 E90 E91 Petrol Alternator Generator 180A 7555926
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Part no. 9150109-1
BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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Part no. 6906621-2
Fuse Box BMW E87 E90 E91 E92 E93 Power Distribution Front Control Unit 6906621
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Part no. 7823420-2
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 7550891
BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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Part no. 6878198
BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Part no. 7542529-1
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Part no. 7595179-7
BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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Part no. 8677631
BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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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. 7580279
BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Part no. 6978265
BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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Part no. 7586933-3
BMW E90 E92 335i Petrol N54 306HP ECU Engine Unit Module DME 7586933 Automatic
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Part no. 9281517-1
BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Part no. 1025-03-1
BMW F32 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. 9289118
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118
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Part no. 5A410C5
BMW U06 iX I20 Headlight Headlamp Control Module Unit FLM2 Mid 5A410C5
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Part no. 7508145
BMW 3 X5 Series E46 E53 M54 Automatic Gearbox Basic Control Unit EGS 7508145
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Part no. 6857942
BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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Part no. 9278074-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 9897880
BMW F45 LCI 220i B48C 192HP Petrol Engine ECU DME 9897880 + BDC + Key Manual
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Part no. 6945661
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"
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Part no. 6949171
BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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Part no. 9308294
BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Part no. 9230445-2
BMW 3 Series E92 Footwell Light Control Module Max Brose Lear FRM3R PL2 9230445
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Part no. 9454320
Adblue Module BMW F40 SCR Control Unit ECU 9454320
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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. 8582280-9
BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Part no. 6946107
BMW 7 Series E65 E66 Driver Seat Airbag Sensor Control Unit Module 6946107
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Part no. 9240532
BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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Part no. 8577835
BMW F10 F30 330d 530d 258HP Engine Control Unit N57N ECU DDE 8577835 Automatic
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Part no. 7553166
BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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Part no. 8494843
Headlight Module BMW F83 M4 F33 LCi FLE2 Front Lights Right Left N/O/S 8494843
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Part no. 6952327
On Board Monitor BMW E60 E63 Navigation Display Screen 6,5" 6952327
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Part no. 6939811
BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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Part no. 6985501
BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
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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 .