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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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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Alternator Generator Mercedes W415 OM607 Diesel Engine 150A 14V 231004554R
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VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064DC
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Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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VW Volkswagen Tiguan 5N Air Module Control Unit ECU 5N0959655R
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Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124
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Mini R60 Rear PDC Ultrasonic Parking Sensor Midnight Grey Metallic 9813237
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BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Porsche Cayenne 9PA Gateway Control Module Unit 3.2 V6 7L5907530A
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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BMW E87 ECU Junction Box Body Control Module Unit H2 PL2 JBBFE 6971960
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Audi Q7 4M Water Cooled Alternator Generator Starter Unit 48V 4N0903028M
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Audi A7 4G 3.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 4G0906093H
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Skoda Octavia II BKD 2.0 TDI Starter Motor 02E911023L
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Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 7619335 CAS3 + Key Manual
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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BMW E82 E90 135i 335i N54 Engine Gearbox Wiring Loom Harness Cables 7566525
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BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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Audi Q7 4L Quattro S Line Keyless Entry Antenna Control Module 4L0907335
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Audi Q7 S LINE Headlight Power Control Unit Module 4L0941329
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BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Audi Q7 4L Tyre Pressure Sensor Control Module Unit ECU 4F0910274C
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Business Navigation BMW F20 F21 F30 F31 Sat Nav Head Unit Player 9365833
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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BMW F32 REM Module Body Control Module BCM Fuse Relay Unit V5 9499005
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Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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Mercedes W211 W219 Radio CD Player COMAND Sat Navigation Head Unit A2118203297
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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BMW F87 M2 N55 Engine Wiring Loom Harness Injection Valve Ignition 8073593
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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine ECU Kit DDE 8576341 Manual
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BMW E39 Alternator Generator 14V 50/90A 1432978
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Manual
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Part no. A2661534779
Mercedes W169 A200 M266.960 136HP Engine Control Unit ECU A2661534779 Automatic
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BMW F20 F30 Head Unit Display Screen Sat Nav Navigation Set 033830N 10,25"
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AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Engine Wiring BMW i3 I01 Hybrid Rex Sensors Cable Loom Harness 7647591
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BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
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Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55580911
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BMW E87 LCI E90 118i 318i Petrol N43 143HP ECU Control Unit DME 7599881
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Yaw Sensor Mercedes W210 W220 ESP Rotation Rate Control Unit Module A0015429018
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Mini Cooper One R50 R52 Alternator Generator 100A Petrol 7523897
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Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual
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Part no. 9363496
Mini F56 Module Active Sound Design Audio Control Module Harman Becker 9363496
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU DDE 8513242 Automatic
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BMW F10 F11 F30 F32 F33 Side Surround View Camera Control Unit Module 9259358
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Part no. 3456913
Mini R58 Coupe Fuse Distribution Box Electrical Unit PL3 SPEG H8 DC/DC 3456913
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VW Volkswagen Audi Seat Skoda Relay Black 5 Pins 12V 50A Set 433 3D0951253A
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Part no. A2139002522
Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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Volkswagen VW Caddy 2K Injector Wiring Harness Loom 038971803
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BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Part no. 04L907309L
Audi A4 B9 2.0 TDI DETA Quattro Engine Control Unit ECU 04L907309L Automatic
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Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
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SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035453501
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7541073 Automatic
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BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
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Part no. 2Q0937548D
Seat Ibiza FR KJ1 Fuse Distribution Box Electrical Control Unit 2Q0937548D
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Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
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BMW X3 E83 LCI 2.0d N47 177HP Diesel ECU Kit DDE 7811999 + EWS4 + Key Manual
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VW Volkswagen Polo 6R Air Module Bag Control Unit 6R0959655K
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BMW E87 LCI E90 118i 318i N43 143HP ECU Control Kit DME 7583225 Automatic
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Mercedes W213 Alternator Generator 200A 14V A0009063003
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Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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Audi A8 D4 Reader Radio CD System Audio MMI Multimedia Head Unit 4H0035670T
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Mercedes W212 Fuse Box Relay Control Unit Module SAM A2129004025
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Fuse Box Mercedes W204 W212 Diesel Front Sam Control Module Unit A2129009605
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BMW 6 Series E63 E64 LCI Rear Bumper PDC Loom Cables Wiring Set 9126978
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Audi A5 8T 2.0 TFSI Petrol Fuel Injectors Wiring Cable Harness 06H971627
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Mercedes X156 GLE W166 Surround View Camera Control Unit Module A1569003303
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Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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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 .