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. 8734748
Telematics Control Unit BMW F20 F31 LCI F32 Module ATM ECE 4G WLAN 8734748
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Mini Cooper F55 F56 F57 LED Navigation Visual Boost 6,5" Display Screen
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Steering Column Switch BMW E87 E81 E91 Cluster Cruise Control Stalk 9123042
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Mini F55 Petrol Engine ECU Control Module Unit 6821977
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BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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VDC Module BMW F31 Touring Air Suspension Level Control Unit 6860729
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Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
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BMW Mini One R55 R56 N12 1.4 95HP ECU Kit DME CAS 3 Key 7600020
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Keys Automatic
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Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200
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BMW 3 X5 Series E46 E53 M54 Automatic Gearbox Basic Control Unit EGS 7508145
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BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234
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Mercedes SLK R171 Rear SAM Control Unit Module Relay Fuse Box A1715450701
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Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
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Seat Ateca Door Module Control Unit Front Passenger's Side Door 5Q4959592K
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Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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Part no. 8579478
BMW F20 F30 F32 120dX 320dX 420dX Diesel N47N 184HP ECU Unit DDE 8579478 Manual
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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
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Mini Cooper One R55 High SPEG DC/DC M3 Fuse Distribution Box 3451925
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Ford Focus Mk3 BCM Body Control Module Fuse Box F1DT-14A073-DF
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433
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BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655L
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BMW F07 GT F10 F11 Hands Free Telephone Microphone Black 9181411
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
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Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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BMW F20 F21 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8573258 Manual Key FEM
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Part no. 8519663-6
Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Mercedes W205 Display Screen Instrument Cluster Speedo Meter A2059004842
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Mercedes W212 Display Screen Information Navigation Dashboard A2129014606
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Part no. 2C1A12A650EA
Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Surround View Camera Mercedes W205 W447 Camera Control Unit Module A2059002629
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BMW E81 E82 E87 LCI E90 Radio Business CD Player Unit 9210510
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BMW X3 F25 ICM Control Unit Air Module SRS ECU 6851284
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Audi A5 8T 1.8 TFSI Starter Alternator Harness Wiring Cable 8K2971228G
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Audi A3 8P 2.0 TDI 170HP BMN Engine ECU Kit Key + Ignition 03G906018DN Manual
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BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450601
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Sam Module Mercedes S205 Relay Fuse Box Rear Control Module In Trunk A2059007437
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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Audi TT 8N Battery Fuse Box Power Distribution 8N0937550A
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Part no. 6945661-1
Navigation Monitor Screen BMW E60 E90 On-board Information Display 6,5" 6945661
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Audi A6 C6 Bluetooth Multimedia Interface Control Module Unit ECU 4E0910336MX
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Ford Ranger Mk3 Restraint Air Module Control Unit ECU EB3T-14B321-EG
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Part no. 9204842
BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186G
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Audi S3 8V Starter Alternator Wiring Harness 5Q0971230HH
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BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
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BMW E46 E60 LCI E83 E87 M47N2 Diesel Starter Motor 7787356
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Audi VW Seat Skoda Headlight Aim Range Control Unit Module ECU Xenon 3Q0907338C
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Part no. 6948351
BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Ford Transit MK7 Positive Battery Management System Unit Module CC1T-10C652-AC
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Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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BMW 1 2 3 4 5 F10 F20 F22 F30 F32 Navigation Sat Nav DAB Head Unit High 9327318
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Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
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Part no. 7565300-2
BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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Part no. 9284421
BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid 9284421
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Part no. 9170730-1
Mini Cooper R55 R56 R57 CCC CD Navigation Sat Nav Head Unit 9170730
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Part no. A0009068504
Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
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Part no. 9226711
BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711
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Part no. 8570845
Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Audi A4 B8 Door Module Control Unit ECU Front Driver's Side 8K0959793Q
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BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
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Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2129006012
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Part no. 8517862-6
BMW F20 F30 F32 120d 320d 420d N47N 184HP ECU Kit DDE 8517862 + Key + FEM Manual
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Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Ford Transit MK7 Battery Holder Bracket Mount Strap Clamp 6C1T10A721AB
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VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T15K600ED
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BMW E81 E87 E91 Switch Cluster Steering Column Wiper Stalk 6962678
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BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9275509
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Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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Door Module Mercedes W169 W245 Control Unit Front Right O/S A1699000400
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BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Part no. 8K0959795B
Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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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. 7576719-1
BMW E90 E91 E92 E93 325i N53 218HP ECU Kit Control Unit DME 7576719 Automatic
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Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
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Part no. A2045458601
Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601
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Part no. 8574091-3
BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key
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BMW 3 5 Series E46 F30 G30 G31 Battery Cable Negative Cable Minus Cable 8386674
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Part no. 7595847
BMW X5 X6 E70 E71 Rear Differential Control Module Unit QMV 7595847
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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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 .