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. 8K0959795A
Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A
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BMW F11 ECU Body Control Module Junction Box 9252333
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BMW E87 E90 118i 318i N43 Engine Control Unit Module ECU DME 7580279 Automatic
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BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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BMW E81 E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Automatic
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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Battery Cable BMW E81 X1 E84 E87 Lead Negative 9123571
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Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Renault Trafic II Airbag Module Control Unit ECU Car Safety Sensor 8200969856
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Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Audi A3 8V Air Module Control Sensor ECU Unit 5Q0959655L
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BMW F15 F85 F16 F86 Steering Wheel Lane Change Control ECU Module Unit 7849446
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Part no. 7508698-1
BMW E53 4.4i M62 286HP Engine ECU Kit DME 7508698 + EWS3 + Key Automatic
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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BMW E60 530i E90 330i N52 258HP Engine Control Unit ECU DME 7561684 Automatic
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BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
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BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523
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Dashboard Wiring BMW G30 G31 Front Centre Console Loom Harness 9366338
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Mercedes W164 Battery Starter Alternator Wiring Harness Cable OM642 A1645401730
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Part no. 8380698
BMW E38 E53 E86 F15 Mini R50 Diagnoctic Socket Connector Plug Housing 8380698
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Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit
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Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
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Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable 7823648
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PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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Part no. GV6112A650KA
Ford Transit Connect MK2 1.5 TDCI 101HP Engine Unit ECU GV6112A650KA Manual
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Part no. 7545789
MINI Cooper R50 R52 R53 W10 116HP Engine ECU Control Unit DME 7545789 Manual
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Part no. 9131850-2
CD Changer BMW E60 E61 E63 6-Disc Compact Changer With Magazine 9131850
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Part no. 6934413
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Part no. 7N0907530S
VW Volkswagen Sharan 7N Gateway Control Unit Module ECU 7N0907530S
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Part no. 7580279-4
BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Part no. 03L907425C
VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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Part no. 7490824
BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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Part no. 5Q0937084AA
Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
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Part no. 8K0953568B
Audi A5 8T Wiper Switch Stalk Steering Column Wheel 8K0953502C
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7610009 CAS3 + 2 Keys Manual
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Engine Wiring VW Polo 9N 1.4 TDI Injector Ignition Loom Harness Cable 045971803
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Audi Volkswagen Seat Skoda Petrol Alternator Generator 14V 140A 06J903023A
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BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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BMW F20 F21 F22 F30 F44 F45 F46 Fuel Pump ECU Module Control Unit 9494391
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BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A291C5
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Part no. 5Q0959595L
Audi A3 8Y Rear Door Control Module Unit ECU Driver's Side Right O/S 5Q0959595L
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Part no. 8W8959107B
Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B
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Part no. A1679004811
Door Module Mercedes W205 Rear Right O/S Door Control Module A1679004811
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Part no. A2118205785
Mercedes W211 S211 Airbag System Control Unit Module ECU
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Part no. 9365758-1
Mini Cooper F55 F56 Navigation Sat Nav NBT HU DAB Head Unit High 9365758
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
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MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109
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Part no. 9253563
BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100
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Part no. A6549001400
Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic
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Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705
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BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
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BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Part no. 6801252
Mini Cooper R50 R53 Control Unit Module RPA Tire Puncture Warning 6801252
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Part no. A2215403862
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862
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Part no. 6809049-1
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
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Part no. 3456395-4
Mini Cooper R60 Control Unit Light Module High EKS ECU PL3 FRM3R 3456395
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Part no. 39120-2A051
KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
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Part no. A0009053303
Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. 7801711-2
BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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Part no. 2522564
Ford Transit Mk8 Starter Positive Plus Wiring Loom Harness KK3T-14A120-BD
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Part no. 7600020-8
Mini One R56 N12 1.4 95HP ECU Kit DME + CAS 3 + 2 Keys 7600020 Manual
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Part no. 8E1971235L
Audi A4 B7 2.0 TDI Negative Battery Terminal Earth Cable Lead 8E1971235L
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Part no. 5Q0915181J
Audi Q2 GA Negative Terminal HV Battery Cable Lead Ground Clamp 5Q0915181J
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Part no. A2469007018
Mercedes W176 W246 Display Screen Radio Navigation Sat Nav Unit A2469007018
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Part no. A0009051302
Mercedes W166 W176 W246 Radar Sensor Front Control Unit Module A0009051302
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Part no. 070903024B
Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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Part no. 9315096
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096
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Part no. A0061510601
Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C
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Ford Transit Connect Earth Ground Cable Battery Lead Wiring Loom FV6T14324BFA
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Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994
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Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2128203485
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Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Part no. A0009007306
Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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Part no. 6961142
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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Part no. A2749000800-4
Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800 Manual
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Part no. 9227500
BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 1K0971920
Audi A3 8P Battery Clamp Positive Plus Pole Cable Protection Panel 1K0971920
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Part no. 5K0937084H
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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Part no. 070911023C
Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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Part no. A0038208286
Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Part no. 9154347
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9154347
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Part no. 6913826
BMW 7 Series E65 E66 Front Bumper PDC Loom Cables Wiring Set 6913826
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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 .