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. 3456760
Mini Cooper One R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456760
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BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588
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BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Battery Cable Mercedes Vito W639 Negative Lead Wiring Harness A6395460121
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BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module 6934836
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BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220
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BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9279822
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
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BMW E36 E39 E46 Engine Starter Electrical Earth Cable 1724740
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Fuse Box Mercedes W169 W245 Electrical Relay Control Unit A1695450540
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707
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Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Headlights Control Module BMW E81 E82 E87 Adaptive Xenon Unit ALC 7171789
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BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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BMW E87 Battery Cable Wire Plus Pole Positive 6929707
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BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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BMW 1 Series E81 E87 E87N LCI Audio Amplifier Hi-Fi System PL2 6952630 9143155
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ABS Pump BMW E87 E90 E91 DSC Module ECU Hydro Unit 6771486 6771487
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
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Radio CD BMW E81 E87 E90 E91 E92 LCI Professional DAB 9243925
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BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347
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Part no. 3450435
Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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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. 7802261-2
BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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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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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Part no. 9145162
BMW E93 Hifi System Amplifier Sound System Amp 9145162
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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. 9127086
BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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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. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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CAS3 Module BMW E60 E87 E90 E91 E92 Key Reading Control Unit 9287535
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Audi A6 C7 2.0 TDI SRS Air Module Control Unit Sensor ECU 4H0959655C
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Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
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Steering Column Switch BMW E87 E81 E91 LCI Cluster Wiper Stalk 9123043
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Mini R50 R53 Body Control Unit Basic Module Controller BCM BC1RD 6934293
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BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9230448
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Part no. 6943791
BMW E87 E90 CAS2 ECU Control Unit Module 61356943791 6943791
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Part no. 9204532-1
Light Module BMW E90 LCI ECU LED NSW Control Unit PL2 FRM II 9204532
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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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BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Part no. 4M0035507
Audi A3 8V A4 B9 Telephone Antenna Amplifier Module Unit Booster 4M0035507
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BMW X5 E70 E90 LCI F20 Engine Wiring N55 Valvetronic Servomotor Cable 7592508
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Part no. 9350995
BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Alternator BMW X5 E70 X6 E71 M57N2 Generator 170A 170AMP 14V VALEO 7796125
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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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BMW F01 F10 CIC Professional Sat Nav Infotainment Radio Head Unit 9239155
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9314237
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Part no. 7601993
Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993
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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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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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Part no. 6969281
BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
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Part no. 1K0907530Q
Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Part no. A2038207385
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
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Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Part no. 9284974
BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974
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Part no. 6938943
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Part no. 6944108
BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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Part no. 9243919
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Part no. 9159041
BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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Part no. 9204532
BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532
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Part no. 9399427
Radio Head BMW F20 F21 F22 F30 F31 Unit Basic Media Navigation Headunit 9399427
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Mercedes W221 Hood Bonnet Light Solar Sensor Module Unit A2118701310
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Part no. A2129005212
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
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Part no. 7557395
Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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Part no. 4G0035223C
Audi A6 C7 Audio Sound System Amplifier Bose 4G0035223C
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Part no. 9134708
BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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Part no. 9116264
BMW E60 E61 E63 E64 PDC Parking Control Module Unit ECU 9116264
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Part no. A0061514501-1
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89
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BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938
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BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Part no. 6971353
BMW X3 E46 E83 Navigation Computer GPS System DVD Player Unit 6971353
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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. 6945072
BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Part no. 7510738
Mini Cooper One R50 R52 R53 Ignition Coil Pack and Leads Set 2122435
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Part no. 7532878
BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878
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Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. 7412610
BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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Part no. 9134734
BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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Part no. A6399005400
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
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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 .