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. 6934293
Mini R50 R53 Body Control Unit Basic Module Controller BCM BC1RD 6934293
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Part no. 7850995
Engine Wiring BMW F80 M3 F82 M4 S55 Inject Loom Cable Harness Injector 7850995
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BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Part no. 7531783
BMW 1 3 5 6 Series E60 E63 E81 E87 E90 E91 Housing E-Box Fan Blower Motor
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Part no. A2038700026
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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Part no. 7576921-1
Mini Cooper R55 R56 R57 R58 Petrol Engine Alternator Generator 7576921
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Part no. 8380998
BMW X5 Series E53 M57 M57N 3.0d Diesel Webasto Auxiliary Heater 8380998
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Part no. A2465400340-1
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
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Part no. A0025426618
Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Part no. 8K0907064DP
Audi A4 B8 Body Control Module BCM Comfort Control Unit 8K0907064DP
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Part no. E90 Wiring Loom Set PDC Rear-2
BMW 3 Series 2 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Part no. 7585946
Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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Part no. 7796125
Alternator BMW X5 E70 X6 E71 M57N2 Generator 170A 170AMP 14V VALEO 7796125
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Part no. 6917859
A/C Compressor BMW E60 E61 E65 M57N2 M54 Air Conditioning Pump 6917859
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Part no. A2711540802
Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Part no. A1698204085
Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
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Part no. 6913388
Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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Part no. A6399003100
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
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Part no. 9241032
BMW F10 F11 Active Pedestrian Protection PTS Front Bumper Sensor Unit 9241032
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Part no. 9133083
BMW E81 E87 E90 E91 E92 E93 6-disc CD Changer With Magazine 9133083
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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. 9247397
Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9247397
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Part no. A2129018508
Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
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Part no. A6395460121
Battery Cable Mercedes Vito W639 Negative Lead Wiring Harness A6395460121
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Part no. 6934836
BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module 6934836
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Part no. A6519062800
Starter Mercedes W204 W212 W906 Diesel OM651 Starter Motor Bosch A6519062800
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Part no. 7610011-3
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
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Part no. 8K0907801H
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Part no. 6934413
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Part no. A2139062201
Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Part no. 8240500
Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500
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Part no. 6971961
BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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Part no. 6929707-1
BMW E87 Battery Cable Wire Plus Pole Positive 6929707
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Part no. 6936653
BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Part no. 6952630
BMW 1 Series E81 E87 E87N LCI Audio Amplifier Hi-Fi System PL2 6952630 9143155
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Part no. 6771486
ABS Pump BMW E87 E90 E91 DSC Module ECU Hydro Unit 6771486 6771487
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Part no. 9166711
BMW E90 Light Control Module ECU LCM NSW Footwell PL2FRMFA 9166711
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Part no. 9343210
Radio CD BMW E81 E87 E90 E91 E92 LCI Professional DAB 9243925
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Part no. 6906347
BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347
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Part no. 3450979
Mini R56 Footwell Light Module High ECU Lear PL3 FRM II 3450979
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Part no. 3453634
Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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Part no. 9866982
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
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Part no. 9145162
BMW E93 Hifi System Amplifier Sound System Amp 9145162
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 3453743
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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Part no. A6395450301
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A6395400431
Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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Part no. 3448827
Mini R55 R56 Radio Boost CD Player Head Unit 3448827
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Part no. 6976888
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 65126976888 6976888
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Part no. 9273628-1
BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
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Part no. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Part no. A0009063322
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Part no. 9242501
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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Part no. 9230001
Mini Cooper Cabrio R57 LCI Dash Roof Operating Unit Light Lamp Switch 9230001
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Part no. 9149242
BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9149242
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Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
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Part no. 9123043-1
Steering Column Switch BMW E87 E81 E91 LCI Cluster Wiper Stalk 9123043
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Part no. 9128602
Cables Wiring BMW E81 E87 LCI Front Bumper PDC Loom Set 9128602
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Part no. 9230448
BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448
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Part no. 7823706
Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
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Part no. 9176682
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9176682
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Part no. 6943791
BMW E87 E90 CAS2 ECU Control Unit Module 61356943791 6943791
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Part no. 7599881-3
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Part no. 7533270-1
Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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Part no. 3454607
BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Part no. A2125407050-1
Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050
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Part no. A1179008600
Airbag Module Mercedes w176 Air Bag SRS Control Unit ECU A1179008600
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Part no. 8200308271
Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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Part no. 9365764
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9365764
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Part no. 7532964-1
BMW E87 E90 E91 Alternator Generator Bosch 110A Petrol Engine 7532964
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Part no. 7521123
BMW E60 E65 X5 E70 E81 E87 E90 F20 X3 F25 F30 Starter Motor 7521123
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Part no. A9064460542
Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
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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. 3451528
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Part no. 7573029
Mini Cooper R55 R56 IBS Negative Battery Lead Cable
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Part no. 9173686
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. 7599881-4
BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key
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Part no. 9186215
Audio Controller BMW E90 System Control Unit Module Navigation 9186215
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Part no. 9247472
BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
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Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. 9273628
BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 9258170
BMW 1 3 E81 E87 E90 E91 E92 LCI Radio CD Professional Control Unit 9258170
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. 8709339
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Part no. 7258278
Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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Part no. A1179009101
Mercedes-Benz A-Class W176 CLA C117 Rear View Camera Control Module Unit ECU
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Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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Part no. 9159811
BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
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Part no. 8255704
BMW X3 X5 E53 E63 E83 Front Seat Belt Tensioner Buckle Connector Cable 8255704
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Part no. A2469054201
Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201
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Part no. 8X0959795D
Audi A1 8X Rear Door Module Left N/S Control Unit ECU 8X0959795D
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Part no. 6774040
BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
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Part no. 9302159
BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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Part no. 6949289
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6949289
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Part no. 9264944
Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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Part no. A2128203985
Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985
Product currently unavailable
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 .