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. 8E0919283D
Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable Automatic 8507738
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Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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BMW E87 LCI E90 120i 320i N43 170HP Engine Unit ECU Kit DME 7599881 + CAS3 + Key
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BMW 3 4 F30 F31 F32 F33 1 Central Information Display Screen 6,5" 9322120
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BMW E60 E61 E63 Professional CCC Navigation System Controller 9159022
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Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
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BMW F10 F11 F01 Control Unit Module ECU Fuel Pump 7276384
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7586134 Manual
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Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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BMW 3 Series E90 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Automatic
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Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Audio Amplifier BMW F20 F21 Mini F55 F56 Top Hifi Harman Kardon Unit 9353990
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BMW 1 3 Series F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 8720302
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
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Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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BMW E81 E87 Aerial Antenna Amplifier Diversity DAB Control Unit 6958901
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Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803
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Mercedes Sprinter W906 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Part no. 6819309
Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Part no. 7796125
Alternator BMW X5 E70 X6 E71 M57N2 Generator 170A 170AMP 14V VALEO 7796125
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Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
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Starter Motor Mercedes W204 W212 C63 E63 AMG M156 Engine Starter A0061516501
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BMW 3 X1 Series E84 E90 E91 LCI Petrol Instrument Cluster Speedo Clocks 6983494
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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BMW E60 E81 E87 E90 E91 E92 E93 CAS3 Control Unit Key Reading Module 9278745
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BMW 5 Series E61 E61N LCI IBS Negative Battery Lead Cable 9132250 9215950
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Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874B
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Navigation Screen Mercedes W212 1 Head Unit Sat Nav Center Display A2129005000
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£BMW 3 5 Series E60 E90 325i 525i N53 ECU Kit DME CAS3 + Key 7588620 Automatic
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BMW 5 Series E61 E61N LCI IBS Negative Battery Lead Cable 9132250 6970681
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Part no. A1715451601
Mercedes SLK R171 Fuse Box Relay Control Unit Electric Module SAM A1715451601
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BMW Z4 Series E85 Driver's Side Door Airbag Control Unit Module 6935920
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Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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Part no. 8614302-1
BMW F20 F21 F30 116i 316i N13 Engine ECU KIT DME 8614302 + FEM + Key + Lock
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Mercedes W447 Front Door Module Left N/S Control Unit ECU A4479000001
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Volkswagen Audi Skoda Relay Unit Module 219 899574000 443951253AA
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BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
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Display Screen BMW F20 F21 F22 Central Information Infotainment 8,8" 9387548
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic
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BMW 5 Series E61 LCI Light Control Module Unit Lear LM II E6X LWR 9180756
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BMW E60 Light Control Unit Module LM E6X Lear 6948578
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BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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Part no. 7317512
BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Part no. 7640005
Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU
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Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. 9247468
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Part no. A4479000101
Door Module Mercedes Vito W447 Rear Right O/S Door Control Unit A4479000101
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BMW E87 E90 118i 318i Engine N46 129HP ECU KIT DME 7561834 CAS2 + Key Automatic
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BMW E60 E64 LCI Body Gateway Module ECU Control Unit KGM E6X High D-Can 9176079
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Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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Steering Lock Mercedes W176 W246 Control Unit Module VST A0999000400
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BMW E87 E90 E91 Professional CCC Navigation System Controller 9117563
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Mercedes W204 W221 Distributor Box Block Control Unit Relay A0045467540
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Fuse Box Mercedes W156 W176 W246 Front Relay Control Unit Module A2469066600
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Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU
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Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
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BMW E60 LCI E90 335d 535d M57N2 286HP Engine Control Unit ECU 7810980 Automatic
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BMW X5 E70 Front Bumper PDC Parking Sensor Wiring Loom Cable Harness 8039827
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 8709211
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BMW 1 Series E87 ECU Footwell Light Module Control Unit PL2 FRMFA 6955491
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BMW 5 X5 Series E39 E53 Petrol M62 Engine Starter Motor Adapter Cable 7504737
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME + EWS + Key 7557395 Manual
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VW Volkswagen Touran 1T Airbag Side Impact Crash Sensor Air Bag 5M0909606A
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Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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BMW 3 Series E90 E91 E92 325D M57N2 Diesel Manual Engine Wiring Loom Harness
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VW Volkswagen Golf Mk7 Radio Control Head Unit CD Player 5G0919605
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Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Keys Manual
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Renault Relay 12V 70A Black V23134-J52-X207 7700821864
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Audi A4 B8 Parking Brake Handbrake Module Control Unit 8K0907801D
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Part no. 9125031-1
BMW 1 Series E81 E87 LCI 1 Positive Battery Lead Cable Wiring 9125031
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BMW 3 Series E93 ECU Body Control Module H3 Junction Box PL2 JBBFE II 9160190
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Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
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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 .