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. 6799602
BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9495909
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BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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BMW F10 F11 F30 F31 Alarm System Unit Security Basis Module 8067512
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119
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Part no. 6914605
BMW X5 E53 Radio Stereo Screen Multifunctional Display Head Unit 6914605
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Part no. 8509225
Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Part no. 8507915
Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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Part no. 9260874
Alarm Sensor BMW E84 E91 Ultra Sonic-Module System Control Unit 9260874
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Part no. 9360344
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9360344
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Part no. 2447522
Telematics Module BMW F10 F20 F30 Bluetooth Communications Control 2447522
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BMW E46 Led Indicator Side Light Signal 7165845
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BMW E88 E90 E92 Switch Cluster Steering Column Indicator Wiper Stalk
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Part no. 7550469-1
Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Part no. 6982391
BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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Part no. 6929148
BMW E63 E64 Front Bumper PDC Loom Cables Wiring Set 6929148
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Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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Part no. 6927931
BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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Part no. 6920182
BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Part no. 6946990-1
CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 9200821
BMW E81 E87 E90 MULF Hands-free Electronics Charging Module 9200821
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Part no. 9389310
BMW F45 Door Wiring Front Driver's Door Loom Cable Wiring Harness 9389310
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Part no. A1698201085
Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
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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. 9148257
Seat Control Unit BMW E60 E61 Module ECU 9148257
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Part no. 9151976
BMW E60 E63 E64 On-board Navigation Monitor Display Screen 6,5"
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Part no. 3508099
BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
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Part no. 9119496
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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Part no. 6961142
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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Part no. 9250454
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Part no. 7823973-3
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
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Part no. 9248565
Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Part no. 8378633
BMW E38 Basic Body Control Unit Module General Junction Box ECU GM III 8378633
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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. 6987692
BMW E87 E90 Navigation System Professional CCC Navi Controller 6987692
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Part no. 6952987
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
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Part no. 9269983
BMW F06 Electric Wiring Cable Loom Harness 9269983
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Part no. 7565300
BMW Z4 E85 2.0i N46 150HP Engine Control Unit ECU DME Manual 7565300
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Part no. 3452678
Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3452678
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Part no. 7614896
Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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Part no. 9251975
BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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Part no. 9266411
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9266411
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. 9112454
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 9112454
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Part no. 7624048-1
BMW Z4 E89 23i N52N 204HP sDrive Engine ECU Kit CAS3 + Key 7624048 Manual
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Part no. 9163348
BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Part no. 2247391
BMW X5 Series E53 M57 3.0d Diesel Engine Starter Motor 2247391
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Part no. 7811700-4
BMW E81 E87 LCI E90 120d 320d N47 177HP ECU KIT DDE 7811700 CAS3 Keys Automatic
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Part no. 6929561
BMW E65 E66 Sensor B-Pillar Air Module Right O/S 6929561
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Part no. 7595179-6
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Part no. 8365326
BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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Part no. 6858700
Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Control Unit Air Bag 6858700
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Part no. 3452235
BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Part no. 9123038
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
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Part no. 8512498-7
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Part no. 9146710-1
Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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Part no. 7542529-3
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Part no. 6969268
Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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Part no. 9381606
Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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Part no. 8631725-1
BMW F22 F30 F32 220i 320i 420i Petrol N20 184HP ECU Kit DME 8631725 + Key + FEM
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Part no. 5B31359
BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Part no. 9226238-1
BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Part no. 8578946
BMW F20 F30 F32 120d 320d 420d N47N Engine ECU Kit DDE 8578946 FEM Key Manual
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Part no. 9368383-1
BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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Part no. 8677631
BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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Part no. 7549396
Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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Part no. 8579420-1
BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625
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Part no. 9166707
BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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Part no. 7579142-14
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
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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. 9330542
BMW G30 G31 Fuse Distribution Box Holder Control Unit Bracket Carrier 9330542
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Part no. 9143440
CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440
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Part no. 6927271
BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Part no. 7808074
BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7803724
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Part no. 6955491
BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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Part no. 3414878
BMW X3 E83 LCI Battery Positive Lead Red Cable Plus Pole Wire 3414878
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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. 7851568
BMW F80 M3 F82 M4 Actuator Drive Exhaust Flap 7851568
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Part no. 9240490-1
BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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Part no. 7605031
BMW X5 X6 Series E70 E71 Transfer Box Control Unit Module ECU 7605031
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Part no. 9115360
BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Part no. 9123087
BMW E60 E61 CCC CD Professional Navigation System Controller 6949171
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Part no. 7649131
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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Part no. 9233036
PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89
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Part no. 9227184
BMW 1 Series E87 LCI ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9227184
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Part no. 6918515
BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
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Part no. 8364530
BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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Part no. 9282286
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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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 .