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. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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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 F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
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Mercedes C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Audi TT 8J BCM Body Comfort Convenience Module Unit ECU 8J0959433B
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BMW 1 2 SERIES F20 F20N F21 F22 UNDER CAR POSITIVE BATTERY LEAD CABLE 9230046
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Ford C Max Bluetooth Micro Phone Module Speaker Wiring Loom AM5T-19A391-AA
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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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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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PDC Module Mini F60 Parking Assistant Sensors Control Unit 5A02F95
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Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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BMW E60 E81 E87 E90 E91 X3 E83 Relay Changer Make Contact Salmon Red Set 1742690
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BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7496723
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Part no. NAPA 95Ah Accumulator
NAPA AGM Accumulator Battery 95Ah 850A 12V AGM019N
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9069000203
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Audi A5 8T Rear Reversing Camera Module View Camera Control Unit ECU 8T0907441C
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
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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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Mercedes GLC C253 Multimedia USB SD Card Reader Port Socket A2538206100
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Ford Transit Battery Charge Electrical Machine Control Module Unit DK3T10B728AA
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Audi Q3 8U Parking Assistant Control Unit Module 8X0919475AD
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Part no. A2749000700-1
Mercedes W204 C180 BlueEFFICIENCY M274.910 Engine ECU Kit A2749000700 Key
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Mini R55 R56 N12 1.4 Petrol Engine Control Unit ECU Kit DME 7640005+CAS3+Keys
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BMW F01 F07 F10 F11 F12 F25 CAS4 Module Control Unit Key Reading 6809374
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BMW F20 F21 F30 LCI M140i 340i Wiring Harness Injection Valve Ignition 8631668
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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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BMW 5 6 Series E60 E61 E63 ECU Control Unit Gateway Module 6946388
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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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MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys
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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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Part no. 3448379
Mini R55 R56 R57 R58 R60 R61 Control Unit PDC Parking Sensor Module 3448379
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Part no. 6928931
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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Mercedes W204 Display Screen Monitor Radio Sat Nav Navigation Unit A2049007508
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Part no. 9168835
BMW 5 Series E61 Touring Body Control Module ECU Unit KBM High 9168835
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Part no. 7802266-1
BMW E60 E61 525d M57N 177HP ECU Kit DDE 7802266 + CAS3 + Key Automatic
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Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
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Part no. 7123023
BMW Z4 Series E85 Emergency Release Folding Top 7123023
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Part no. 9310500
BMW F30 F31 F32 F34 F36 Amplifier Harman Kardon Surround Sound System 9310500
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Part no. 9241005-1
BMW 3 E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9241005
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Part no. 7805350
BMW X3 E83 3.0d M57N2 218HP Engine Control Unit ECU DDE 7805350 Automatic
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Part no. A2048204697
Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
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Part no. 9350313
BMW F90 M5 G11 G30 Fuse Box Power Distribution Unit Front Right O/S 9350313
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Part no. A2479005708
Mercedes W177 Fuse Box Front Central Body Control Module BCM Unit A2479005708
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Part no. 6943854
BMW E60 E61 E63 E64 ECU Control Unit Key Reading Module CAS 2 6943854
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Part no. 8385157
BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157
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Part no. 7583225-7
BMW E87 LCI E90 118i 318i 143HP N43 Engine Control Unit ECU DME 7583225
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Part no. 7915643
Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Part no. 6926333
Door Cable BMW E93 Convertible Wiring Loom Front Cables Passenger Side 6926332
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Part no. rhd-8507876
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. 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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Part no. 8379376
BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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Part no. A6395450401
Mercedes Vito W639 Fuse Box Relay Control Unit A6395450401
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Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802
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BMW F20 F21 114i N13 102HP Engine Control Unit Module ECU DME 7640755 Manual
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BMW E60 LCI E63 CHAMP Business System Controller CD Player 9196760
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Part no. A2225403150
Fuse Box Mercedes W205 Front Passenger Side Footwell Fuse Box A2225403150
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501
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Part no. 9224616
BMW X5 E70 Footwell ECU Light Control Unit Module FRM3R Basis Lear 9224616
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Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Part no. 3456952-3
Mini Cooper R58 Footwell Light Module Unit High EKS PL3 FRM3R Lear 3456952
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Part no. 7592511
BMW E88 E90 E91 E92 LCI F20 F21 F30 Ignition Wiring N55 Engine Harness 7592511
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Mercedes GLE250 W166 OM651.960 204HP Engine ECU Kit Ignition + Key A6519004201
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Part no. A2118200089
Mercedes-Benz E W211 Radio Aerial Antenna Amplifier Module Unit A2118200089
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Part no. 8506434
BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox
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Part no. 9141682-3
BMW 1 3 Series E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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Part no. 6927319
BMW 5 7 Series E60 E61 E65 E66 Seat Control Module Ecu Sensor
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Part no. 1K0907530L
Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
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Part no. 7789376
BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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Part no. 7573701
Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys
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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 .