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. 6977698
BMW Mini Cooper R50 R53 Radio Boost CD Player Stereo Unit 6977698 65126977698
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Mercedes-Benz S W220 Front Seat Adjustment Right Motor Actuator O/S A2208204942
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Ford Transit Custom 2.2 TDCi Glow Plug Wiring Loom Cable Wire CK2T-6M091-AD
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Mercedes GLC X253 Camera Lane Assist Control ECU Module Unit A2479008615
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BMW F20 F21 F30 116d 316d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Audi A4 B9 Body Control Comfort Unit Module BCM Unit ECU 8W1907063CC
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BMW E60 LCI 525i E90 E91 325i N53 Engine Control Unit ECU DME 7586940 Automatic
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Mercedes Vito W639 Steering Wheel Angle Sensor Ring Squib A6395420018
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Audi A4 B7 Steering Wheel Angle Sensor Slip Ring Squib 8E0953549Q
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Audi A5 F5 2.0 TDI DEZE Adblue Control Module Unit ECU Assembly 4M0907355D
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Mercedes C207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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BMW 1 3 E81 E87 E90 Mini R55 R56 DAB Retrofit Radio Tuner Module Unit 2336500
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BMW Z4 E89 23i 30i N52N Alternator Denso 170A 7552815
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Ford Transit Connect Door Module Front Left N/S Control Unit ECU DV6T14B533BD
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Mercedes W212 Negative Battery Terminal Cable Wire A0009052802
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Mercedes-Benz S-Class W221 Dashboard Instrument Cluster Speedo Trim Cover Panel
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Audi S4 B6 Air Module ECU Control Unit Crash Sensor 0285001483
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BMW 5 F11 Touring Body Control Module ECU Junction Box V7 PL6 JBBFE III 9286943
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BMW 1 3 Series E81 E87 E90 120i 320i N43 ECU Kit DME 7580279 CAS3 Keys Automatic
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Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192H
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Audi Q5 8R BCM Body Control Module Unit ECU 8K0907064JG
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Renault Master 2 Display Digital Clock Control Unit Module Panel 8200107839A
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BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
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Mercedes W212 Screen Cable Wire Connector Monitor Display A2124405732
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU FRM3R PL3 3457389
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Mercedes W213 S213 Multimedia USB SD Card Reader Port Socket Module A2058200526
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Mercedes W117 W242 W246 Head Unit Audio Player Radio Sat Nav Module A2469002617
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BMW Z4 Series E89 Wiring Loom Front Door Cables Cable Passenger Side 9207924
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Radio Player Mercedes W169 Audio 20 Stereo CD Head Unit Display A1698705794
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Mercedes W209 M112 Positive Battery Cable Lead Alternator Starter A2095405110
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PDC Display Mercedes W639 Front Parking Sensor Screen Control Unit A0015422623
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Audi A6 C6 Alternator Main Cable Wiring Harness Loom 8K0971228AJ
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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
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Audi A3 8P Power Steering Rack Wiring Harness Loom Cable 1K2971111P
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BMW 3 5 Series E39 E46 Inclination Indicator Alarm Sensor Module 8367604
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BMW G11 Power Battery Distribution Junction Box Control Unit 9356464
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Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640
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Renault Scenic 3 III K9K 1.5 DCI Engine Control Unit ECU 237101495R Automatic
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Mercedes W166 Radio Sat Nav CD Multimedia Control Central Head Unit A1669005420
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Audi A8 4E S8 D3 Comfort Unit Control Module 4E0907289E
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Mini R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456759
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BMW F30 F32 LCI F36 335dX 435dX N57Z 313HP ECU Kit DDE 8586536 FEM Key Automatic
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Module BCM BMW F46 F48 F49 X1 Body Control Unit Module ECU 8736968
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Mercedes-Benz C-Class W204 Radio Control Function Button Knob A2048702058
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Part no. 09D927750FS
Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Part no. 4G0907468F
Audi A6 C7 Central Getaway Control Unit Module ECU 4G0907468B
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Audi A1 8X Front Passenger Side Door Module Unit Control ECU 8X0959792D
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BMW X5 Series 1 E53 PDC Parking Control Module Unit PDC 6932985
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BMW 1 3 SERIES E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio TeL 1682646
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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BMW 1 3 F20 F21 F30 F31 Driver Side Seat Wiring Loom Cable Harness 9339339
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BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP Engine ECU Unit DME 9894912
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BMW F40 Telematics Control Unit Module ECU 5B3B795
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Part no. 9310464
Radio Head Unit BMW F30 F31 F34 GT Radio Professional Nav DAB CD Player 9310464
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BMW G30 530d B57 265HP Engine ECU Kit Unit DDE 8475476 BCM Key Automatic
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Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F
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Part no. 9398986
Rain Sensor BMW F40 Light Solar Bracket Holder Support Frame 9398986
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Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
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Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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Part no. 9187903
CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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PDC Module BMW G30 G31 Parking Assistant Control Unit USS VA03 HIGH 9418460
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BMW i4 G26 Gran Coupe Electric Battery Negative Lead Cable Wiring 5A29A15
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Part no. 7553009
Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
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Part no. 6927264
BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Part no. rhd-7802153-1
BMW 1 3 Series E81 E87 LCI E90 120d 320d N47 Engine Wiring Loom 7802153 7580194
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Unit Kit DDE 8506434 CAS3 Key
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Part no. A2118706789
Audio Amplifier Mercedes W211 C219 Harman Kardon Sound Module Unit A2118706789
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
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BMW E90 E91 M57N2 Engine Control Unit ECU Kit DDE 7808222 + CAS2 + Key
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Citroen C3 Picasso Negative Battery Terminal Cable Wiring Lead 9687656980
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
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Mini One R50 W10 90HP Engine ECU Kit DME 7545789 + EWS + Keys Manual
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BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 9187317
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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BMW F20 F21 F30 116i 316i N13 136HP Engine ECU KIT DME 8630125 FEM + Key Manual
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Mercedes-Benz C W203 Rear Left Right Door Wiring Loom Harness A2035407308
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
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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 F10 F20 F30 F32 Engine Control Unit Diesel N47N ECU DDE 8517862 Automatic
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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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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BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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BMW F22 220dX F32 F36 420dX B47 Engine 190HP ECU DDE Control Unit 8589145 Manual
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Part no. 8512043-6
BMW E90 E91 LCI 316d N47N 115HP Engine ECU Kit DDE 8512043 CAS3 Key Manual
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Mercedes-Benz S W221 Rear View Reversing Camera Video Unit Park A2218206397
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BMW E87 E90 118i 318i N46 129HP Engine ECU KIT DME 7561834 CAS2 + Key Manual
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Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
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Part no. 6827072-1
Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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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 .