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. A1695451940-1
Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321
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Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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VW Volkswagen Golf Mk7 Front Impact Crash Air Module Sensor 5Q0959655AA
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BMW 1 Series E88 Footwell Light Module Control Unit ECU Lear FRM3R PL2 9263794
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Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
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Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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BMW 5 Series E60 E61 E63 Airbag ECU Control Unit Gateway Module 6943089
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MINI Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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BMW E85 DSC Speed Accelerator Sensor Cluster Module Unit 6759412
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BMW 7 Series F01 F02 PDC Ultrasonic Sensor Carbonschwarz Carbon Black 416
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BMW X3 E83 2.0d 150HP M47N2 Diesel Engine Control Unit ECU DDE 7801216 Manual
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BMW 3 Series E90 E91 E92 E93 LCI 320d N47N Engine Wiring Loom Harnes DDE 8511683
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BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module 6938930
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BMW E90 E91 LCI N47N 320d 184HP ECU Module KIT DDE 8512047 CAS 3 Keys Automatic
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BMW F30 F32 F36 Telematics Telephone Control Module ATM ECE 3G 2447513
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BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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VW Volkswagen Audi Glow Plug Relay Unit Bosch 11 Pins 4E0907282A 0281003029
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BMW X3 E83 Air Module Control Unit ECU 3452166
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Power Supply Module BMW G11 G30 G31 High Voltage Battery Terminal Point 9339824
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Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
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Audi A5 8T A4 B8 Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035652G
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Part no. 7557395-1
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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BMW 3 Series E92 E92 LCI Wiring Set Door Co-driver Passenger
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Radio Head Unit Mercedes W212 Comand Navi CD Player Control Unit A2129008409
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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BMW X1 E84 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9308365
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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BMW F20 F21 F22 Body Control Module Unit FEM 8707679
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Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
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Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Bluetooth Module Mercedes W176 W213 Control Unit Hands Free A2139008013
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BMW E93 Convertible Battery Mounting Bracket Clamp Bolt Holder Mount 7188487
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Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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BMW 3 Series E87 E90 E91 120i 320i N46 Wiring Loom Harness Engine Gearbox Module
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Part no. NAPA 95Ah Accumulator
NAPA AGM Accumulator Battery 95Ah 850A 12V AGM019N
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Part no. 9390576
Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
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Part no. A9069000203
Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9069000203
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
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BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
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Part no. 7575327-1
BMW Banner AGM 12V Accumulator Battery 90Ah 900A 7575327
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Mercedes-Benz A B W169 W245 Front Right Door O/S Control Unit Module A1698208426
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Door Module Audi A5 8T A4 B8 Control Front Right O/S Unit 8T0959793F
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Mercedes Sprinter W906 Becker Map Pilot Navigation Module Sat Nav Navi Europe
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Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Mercedes W204 C180 BlueEFFICIENCY M274.910 Engine ECU Kit A2749000700 Key
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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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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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Part no. 7561834-19
BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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5X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 6946388
BMW 5 6 Series E60 E61 E63 ECU Control Unit Gateway Module 6946388
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Part no. TF2218
Ryder Smart Logic Towing Hitch Trailer Hook Relay Control Unit Module TF2218
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Part no. 8734825
Basic Navigation BMW F20 F30 LCI Mini F56 F60 Radio Sat Nav Head Unit 8734825
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Part no. 9434269
BMW F40 Wireless Charger Centre Console Phone Charging Module Unit 9434269
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Part no. 7557395-8
MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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Part no. 7599881-19
BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys
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Part no. A2229006514
Audio Amplifier Mercedes W205 W253 Radio Sound Burmester Unit A2229006514
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Part no. A0015424723-2
Parking Sensor Display Mercedes W204 W207 W212 W221 Control PDC A0015424723
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV 6928931
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Part no. 9315683
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315683
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Part no. A2468200526
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
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Part no. A6461506372
Mercedes W906 311 CDI 109HP OM646.985 Diesel Engine Control Unit ECU A6461506372
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Part no. A2129004910
Radio Head Unit Mercedes W212 CD Audio Player Head Control Unit A2129004910
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Part no. 7801710
BMW E87 E90 E91 118d 318d M47N2 Engine Control Unit ECU DDE 7801710 Manual
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Part no. 9132250-1
BMW 5 Series E61 E61N LCI IBS Negative Battery Lead Cable 9132250 6970681
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Part no. 9168835
BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
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BMW E60 E61 525d M57N 177HP ECU Kit DDE 7802266 + CAS3 + Key Automatic
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BMW F30 F31 F32 F34 F36 Amplifier Harman Kardon Surround Sound System 9310500
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Mini Cooper D R55 R56 R57 R60 LCI Electrical System Fuse Distribution Box
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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BMW 3 E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9241005
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BMW X3 E83 3.0d M57N2 218HP Engine Control Unit ECU DDE 7805350 Automatic
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Mercedes W177 Fuse Box Front Central Body Control Module BCM Unit A2479005708
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Part no. 8589141-2
BMW F20 F21 LCI 116d ed B37 116HP Engine ECU Control Unit DDE 8589141 Manual
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Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Part no. 6926333
Door Cable BMW E93 Convertible Wiring Loom Front Cables Passenger Side 6926332
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BMW 3 Series E90 E91 E92 E93 LCI 320d N47N Engine Wiring Loom Harnes 8507876
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Part no. 5F0941472
Seat Leon Cupra 5F Xenon Headlight Ballast Control Unit Module ECU 5F0941472
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Part no. A1718206926
Mercedes SLK R171 Door Module Front Left Control Module A1718206926
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Part no. 7542310-3
MINI Cooper R50 Petrol W10 116HP Engine ECU Kit DME 7542310 EWS3 Key Manual
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Part no. 9180183
BMW X5 Series E70 Individual Audio System Amplifier TOP-HIFI PL4 Lear 9180183
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Part no. 7571952
BMW E90 E91 Petrol N52 Wiring Loom Harness Engine Automatic Gearbox
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Part no. 9116725
BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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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 .