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. 7578032
BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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Mercedes GLC X253 220d 170HP 651.921 Engine Unit ECU A6519006401 Automatic
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On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292656
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Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Kosmos Black 191
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ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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Mini R55 R56 Radio Boost CD Player Head Unit 3448827
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Ford Transit MK7 Airbag Module ECU Control Unit Air Bag 6C1T14B056AE
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
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BMW E46 330i M54 231HP Engine Control Unit Module ECU DME 7509942 Manual
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BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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Audi A5 8T Head Unit Multimedia Screen Display CarPlay Infotainment Unit
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BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 9134662
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Part no. 7580279-9
BMW E87 E90 118i 318i N43 Engine Control Unit Module ECU DME 7580279 Automatic
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Mercedes ML W166 Fuse Box Electric Distribution Control Module A1665460143
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Part no. 02E911024C
Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
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Relay Mercedes W166 Voltage Dip Protection Start/Stop Relay Module A0009820123
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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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Part no. 7068054-1
BMW 5 7 Series E60 E61 E65 E66 Front Seat Transmission Bracket Arm 7068054
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Mercedes-Benz W168 M166 Engine Wiring Harness Loom Cable A1661500033
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BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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Part no. 8W8959107B
Audi Q5 FY Rear Boot Trunk Lid Tailgate Control Unit Module ECU 8W8959107B
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Mercedes CLS W219 Door Module Front Left N/S Control Unit Module A2198202326
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BMW Mini Cooper One R50 DME Petrol Engine Control Unit ECU Automatic 7514587
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Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key
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Audi A3 8V Negative Battery Terminal Cable Harness Wiring Loom 5Q0915181H
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BMW E60 LCI Light Control Module Unit Controller Lear LME6X AHL 9154944
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AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Mercedes W163 Fuse Main Box Relay Comfort Control Module Unit CMM A1635450205
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Mercedes-Benz M-Class ML W163 Gearbox Transmission Control Unit ECU A0305454632
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Part no. 04L903021G
Audi Q2 GA Diesel Engine Alternator Generator Assembly Bosch 04L903024T
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Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU Kit A6519005301 Key
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Part no. 02Z911024K
VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
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Part no. 8519663-9
Mini One D R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8519663 + CAS3 + Key
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Audi A6 C7 Board Supply Comfort BCM Body Control Module Unit ECU 4H0907063CF
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BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6982395
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Part no. 7577968-3
BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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Vauxhall Combo D 1.3 Cdti A13FD Engine Wiring Harness Loom 00552479600
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BMW E88 Cabrio Footwell Light Module Control Unit ECU PL2 FRM II 9197163
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Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME CAS 3 + Key 7620987
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Part no. 8578609
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332
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Part no. 7811701
BMW E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU Automatic
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Mercedes W166 Head Roof Curtain Right O/S Side Air Module A1668600602
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Part no. 079903018X
Audi A4 B7 4.2 FSI V8 Petrol Engine Alternator Generator 079903018X
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Part no. 7800131-2
BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + Key Automatic
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Part no. 076911023A
Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Part no. 7176068-2
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Part no. 7L6937049N
Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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Part no. 5A44586
BMW F40 Ultrasonic Alarm System Module Control Unit 5A44586
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Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
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Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness F01 F12 9336380
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Part no. 4G0907637K
Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637K
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Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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Part no. MMI2G-CARPLAY-A1
Audi A1 8X Bluetooth Interface CarPlay MMI Retrofit Multimedia Unit Set MMI2G
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Part no. 6821204
Mini Clubman F54 Negative HV Battery Terminal Cable Harness Wiring Loom 6821204
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Part no. 8695512-1
BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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Part no. 7802261
BMW E60 E61 E81 E87 E90 Alternator Generator Valeo 180A N47 7802261
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BMW F01 F02 F10 F11 CD Radio Head Unit CIC 9289247
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Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109
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Mercedes C118 W177 W247 M260 Petrol Engine Starter Motor 12V A2609060100
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BMW E36 Relay Yellow 5 Pin 1389105
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Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Part no. 8K0907064CC
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064CC
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Part no. 5Q0919275B-AGR
Audi Q2 GA Front Parking Sensor Assist Control Module Arrow Grey Z7W 5Q0919275B
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Mercedes-Benz C W203 Rear Tailgate Boot Lid Wiring Harness Loom A2035408505
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Part no. 9204532-1
Light Module BMW E90 LCI ECU LED NSW Control Unit PL2 FRM II 9204532
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Part no. 5Q0959655P
Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P
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Part no. 6945144
BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Part no. 9248565
Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Part no. 51854902
Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Part no. A9069003502
Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069003502
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Part no. A0255453332
Mercedes W202 W210 Engine Cooling Radiator Fan Control Unit Module
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Part no. 9183373
Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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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 .