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. 7811700-10
BMW E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700 Automatic
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Part no. 8510221-10
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Part no. 8705960
Navigation Headunit BMW F20 F21 F30 F31 LCI Radio Sat Nav Unit 8705960
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Part no. 8515754-1
BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754
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Part no. 6949628
BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Part no. 1702103
Battery Terminal Cover BMW E39 Mini R50 R52 R53 Trim Base B + Positive 1702103
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Part no. 6809050-1
BMW F20 F30 F36 Rear Electronic Module REM Fuse Box Control Unit V2 ECU 6809050
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Part no. 6920759
GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
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Part no. 7540993
Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993
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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. 9286796
BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796
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Part no. 8386674
BMW 3 5 Series E46 F30 G30 G31 Battery Cable Negative Cable Minus Cable 8386674
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Part no. 9852925
BMW G16 G26 Tailgate Lift Boot Lid Control Unit Module Trunk 9852925
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Part no. 8375840
BMW 3 Series E36 Control Unit EWS II Module 8375840
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Part no. 1138730-1
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730
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Part no. 7798422
BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
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Part no. 6945156
BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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Part no. 9476858
Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858
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Part no. 8517862-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
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Part no. 8408383
Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Part no. 6910597
BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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Part no. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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Part no. 6958138-1
BMW Z4 E85 Positive Battery Clamp Fuse Box Cable Wiring 6958138
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Part no. 9278745
BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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Part no. 8614276
BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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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. 3456395-3
Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Part no. 2448971
BMW F13 M6 NBT EVO HU Multimedia MMI Sat Nav Display CD Player Head Unit 2448971
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Part no. 9240352
BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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Part no. 9285767
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Left N/S 9285767
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Part no. 9287218
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Part no. 9286238
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286238
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Part no. 2990415
BMW X1 E84 Front Door Handle Bowden Pull Cable Wiring 2990415
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Part no. 7505995
BMW 3 Series E46 N42 N46 316i 318i Starter Motor Bosch 1,4kW 7505979
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Part no. 9326026
BMW F30 F31 F32 PDC Wiring Front Bumper Cable Loom Harness 9326026
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Part no. 7571510-1
BMW Z4 Series E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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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. 8506281-1
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
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Part no. 6905491
Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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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. 8677631
BMW F30 LCI B48X 330e Hybrid Electric High Voltage Battery 8677631
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Part no. 7561834-14
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Part no. 9390489
BMW Z4 E89 Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9390489
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Part no. 8661466-1
BMW Z4 E89 20i N20 184HP Petrol Engine ECU Kit CAS3 + Keys 8661466 Automatic
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Part no. 7640755-4
BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Part no. 7798006
BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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Part no. 9348362
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Part no. 9168833-1
BMW 5 Series E60 LCI ECU Body Control Module Unit KBM Basis 9168833
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Part no. 8518569-2
BMW F20 F21 F30 F31 N47N 116d 316d 116HP Engine ECU Kit DDE 8518569 + Key + FEM
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Part no. 7616120
Alternator BMW F20 F21 F30 F31 F36 Petrol N55 Generator 210A 7616120
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Part no. 7835735
BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
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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. 7612455-2
BMW E60 E90 E91 LCI 325i 525i N53 218HP ECU Kit DME 7612455 CAS3 + Key Automatic
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Part no. 9302569
Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Part no. 7541694
BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH
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Part no. 7896848
BMW 5 Series E60 M5 Battery holder Hold Down Strap Bracket 7896848 6938434
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Part no. 6831264
BMW 4 Series F32 Boot Trunk Lid Tailgate Wiring Loom Harness Cable Set 6831263
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Part no. 8513184-1
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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Part no. 6910381
BMW 7 Series E65 E66 Dashboard Dash Sun Solar Sensor Speaker Cable 6910381
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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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. 9290989-1
BMW F30 F31 F32 Radio Professional CD Bluetooth Player Head Unit 9290989
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Part no. 7363090
Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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Part no. 8631668
BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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Part no. 6948048
BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
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Part no. 8473185-2
BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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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. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. 9218356-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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Part no. 7788680-4
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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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. 6952296-1
BMW 1 3 Series 1 E81 E87 E90 E91 E92 E93 Radio Business CD Unit 6952296
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Part no. 9278074
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 2180149-1
BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149
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Part no. 9364819-3
BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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Part no. 6948054
BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054
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Part no. 7823422-2
£BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU Control Kit DDE 7823422 CAS3 Keys
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Part no. 9145437-2
Information Display BMW E81 E82 E87 E88 Board Monitor Central Screen 9145437
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Part no. 6828085
PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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Part no. 9205278-1
CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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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. 9362397
BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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Part no. 7838656
BMW 3 Series E90 E91 E92 M3 Engine Alternator Generator Valeo 180A 7838656
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Part no. 6956505-1
BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505
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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. 7571510-3
BMW Z4 E86 Coupe 3.0si N52 265HP ECU Kit DME 7571510 EWS + Key Manual
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Part no. 9243897
BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Part no. 9337200
BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
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Part no. 6948087
BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Part no. 9283247-1
BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Part no. 9227179-1
BMW 1 Series E87 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
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Part no. 7605478-1
BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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Part no. 9339314
BMW 4 Series F83 M4 Wiring Loom Cable Seat Passenger's Side Left N/S 9339314
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Part no. 7797216-2
BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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Part no. 6823594
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 6823594
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Part no. 8588898
BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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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 .