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. 6317177
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
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Seat Arona Fr Kj7 Connectivity Control Unit Online Services D 5WA035284G
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BMW 7 Series 1 E65 E66 Battery B+ Engine Compartment Terminal Point 8385164
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
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Audi Q7 4L CD Player Changer Multimedia Module Control Unit 4L0910110B
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Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Mini Cooper R57 Wiring Loom Harness Rear Trunk Lid 9278356
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Audi A4 B8 Sat Nav Multimedia DAB Radio Control Head Unit 4G0035056
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Communication Module Mercedes W205 W213 C253 Hermes LTE Control Unit A2389007704
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BMW X5 E70 X6 E71 30dX Diesel N57 245HP Engine ECU Kit DDE 8506570 CAS3 + Key
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Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
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Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E
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Control Unit BMW F20 F21 F22 F30 F31 F32 F36 Module FEM ECU LR01 9387265
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Navigation Module BMW F10 F20 F22 F30 F32 Sat Nav DAB Head Unit High 9318750
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BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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BMW E63 E64 LCI Driver's Seat Occupancy Sensor Mat Control Unit Module 9126457
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Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Ford Transit Connect Central Lock Control Unit Alarm Module ECU 2T1T-15K600-BD
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Mercedes W204 Front Fuse Board Box Relay Unit Case A2049060405
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Audi TT FV 8S Crash Impact Sensor Pedestrian Protection Module Front 8S0959121
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Audi TT 8N Relay Unit Module 431951253D
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Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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Audi A4 B7 2.0 TDI Battery Cable Wiring Harness 8EO971824E
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3457029
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BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Part no. 5K0937084J
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual
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BMW E46 M3 Coupe Door Wiring Loom Harness Cable Driver's Side 6935219
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Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907063DC
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8708259
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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BMW E60 M-Audio System Controller Navigation Head Unit 6948351
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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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BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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BMW X5 E53 Navigation System Sat Navi TV Video IBUS Module Unit 6968041
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Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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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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Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
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Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
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Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357
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BMW F01 F02 F07 GT Control Unit Air Module ECU 9224275
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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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CD Changer BMW E60 E61 E63 6-Disc Compact Changer With Magazine 9131850
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Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
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Audi A5 8T Wiper Switch Stalk Steering Column Wheel 8K0953502C
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Part no. 8634124
BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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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. 4G0959754K
Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K
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Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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Part no. 7595847
BMW X5 X6 E70 E71 Rear Differential Control Module Unit QMV 7595847
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Part no. A2028200926
Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
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Part no. A9065410140
Mercedes-Benz Sprinter W906 Battery Tray Holder Mounting Bracket A9065410140
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Part no. 9286479
BMW F10 F11 LCI Front Bumper PDC Sensors Loom Cables Wiring Set 9286479
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Part no. 7803372-3
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Part no. 8617050-3
Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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Part no. 8616314
BMW F20 F21 F30 F31 N55 326HP M135i 335i Engine Control ECU DME 8616314 Manual
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BMW E91 Touring HiFi Amplifier Speaker System Control Unit Module 9143161
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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Part no. A2129009328
Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328
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Part no. 06K907425B
Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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Central Gateway Module BMW F10 F11 ECU Control Unit Lear ZGW-02 Mid 9243211
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Part no. 8518568-3
BMW F20 F30 120d 320d ed Diesel N47N 163HP ECU Kit DDE 8518568 + Key + FEM
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Skoda Octavia 5E Front Lamp Headlight Range Control Module Unit ECU 7P6907357A
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Mercedes W212 Fuse Box Relay Module Control Unit A2129002627
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
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Mercedes W221 Door Module Rear Door Control ECU Unit Left N/S A2218704895
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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BMW F20 F21 F30 LCI Wiring Injector Loom Harness Cable Module B47 Engine 8571084
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Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062
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Peugeot 307 Citroen C4 C5 1.6 HDI Diesel Engine Starter Motor 1638115880
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Part no. 7560955-2
BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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Part no. 8H0959433M
Audi A4 B7 Body Comfort Control Module BCM Unit ECU 8H0959433M
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Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
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Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Part no. 6917134
BMW 7 Series E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. A6519005301-9
Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU Kit A6519005301 Key
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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 .