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 F30 F31 F32 F33 Central Information Screen Display 8,8" 9292248
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
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Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CY
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Mercedes W221 S500 M273.961 388HP Engine Control Unit ECU Kit A2731532979 Key
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BMW E70 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
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Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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BMW F01 F02 F03 F10 F11 F20 F21 F30 F31 Bluetooth Module Combox Media 9257150
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VW Volkswagen Golf Audi Seat Alarm System Siren Anti-Theft Signal 1K0951605C
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BMW X6 E71 Footwell Light Control Unit Module FRM3R LEAR 9308373
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BMW F32 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129001306
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FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
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BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module
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BMW E46 E64 Front Seat Module Control Unit Memory 7067801
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04801516AA
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Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Mercedes W221 S350 BlueTEC OM642.862 Engine ECU Kit Ignition + Key A6421508900
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BMW 3 Series E46 Cable Loom Door Rear Left Right N/O/S Wiring Harness 8378338
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Peugeot 207 Airbag Module ECU Control Unit Sensor Air Bag 9663593380
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BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Immobilizer Antenna Ford Transit MK8 Control Module Unit BK2T15607AC
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Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733
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Mini Cooper One R55 R56 N12 DME 7573701 Petrol Engine Control Unit ECU Manual
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Ford Transit Mk8 VI Body Control Module Fuse Box GK2T-15604-FAF
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Engine Wiring Mini R56 LCI R60 N18 Loom Harness Injection Valve Ignition 7621309
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Peugeot 308 Citroen Berlingo Negative Battery Terminal Cable Wiring 9661191580
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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BB
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Mercedes CL203 W203 Battery Terminal Fuse Box Control Unit Module A2035450803
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943838
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Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588
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Renault Trafic Scenic Diesel Starter Motor Mitsubishi 233003248R
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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BMW F21 F22 Wiring Loom Door Drivers Side Front Right O/S 9340973
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Telematics Module BMW F01 F07 F10 Bluetooth Combox Telematik ECU 9244188
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Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Mercedes A B S Class W169 W220 W245 Battery Lead Cable Negative A2205400031
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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BMW 1 3 Series E87 E90 Hands-free Electronics Bluetooth Module MULF2 9178862
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Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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BMW 3 X5 Series E46 E53 M54 Automatic Gearbox Basic Control Unit EGS 7508145
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Mercedes W906 314CDI OM651.955 143HP Engine Unit Module ECU Kit A6519003403
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BMW Z4 Series E85 E86 Aerial Antenna Amplifier Module Rod
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Mercedes ML W164 Air Module System Control Unit A1648209585
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Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413
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Audi A3 8P Battery Box Tray Housing Holder Bracket Cover 1K0915333B
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Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508
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BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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Part no. 7619713
Mini R55 R56 R57 R60 Gearbox Module Control ECU Automatic Unit 7619713
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Part no. 9199439
BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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Part no. 7638193
BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Part no. 7565300-13
BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
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BMW X3 F25 Sat Navi Radio CD Player Head Unit 9294196
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Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
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BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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BMW F32 F33 F36 435i N55 306HP Engine Control Unit ECU DME 7540686 Automatic
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Volkswagen VW Polo 9N Negative Battery Terminal Ground Cable Wiring 6Q0971235
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BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203
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Part no. 6960249
BMW X5 E53 Basic Body Control Unit Module GM3 6960249
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Volkswagen Golf VII 5G 1.5 TSI DACA 130HP Engine Control ECU 05E907309 Automatic
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Mercedes W205 W212 W246 Parking Distance Sensor Set x2 Cavansite Blue - 890
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000111
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BMW F10 F11 Battery B+ Engine Compartment Terminal Point 9214243
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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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Volkswagen VW Passat B6 Fuse Box Relay Electrical Module Unit 3C0937125
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Part no. 7599881-8
BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
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BMW E39 Saloon Rear Third Stoplamp Stop Lamp Brake Light 8360568
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Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219
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BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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BMW 3 Series F32 F82 M4 Wiring Loom Front Door Cable Passenger Side 9337221
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7575665 CAS3 + Key
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Part no. A9079001703
Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
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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 .