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 X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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CD Changer BMW E60 E61 E63 E64 Compact 6-disc Magazine 6938975
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Head-Up Display BMW F10 F11 Hud Trim Panel Cover Frame Dash Screen 9192921
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SAM Module Mercedes W204 W212 Control Unit Electrical Fuse Box Unit A2129006212
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Renault Trafic Vauxhall Vivaro Radio Stereo Audio CD Player Head Unit 281152957R
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Mercedes-Benz CLK-Class C209 W209 Aerial Antenna Amplifier Unit A2098204189
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REM Module BMW F20 F30 Rear Electronic Fuse Box Control Unit V2 ECU 9317176
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Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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Volkswagen VW Touran 1T Seat Heating Control Unit Module ECU 1K0959772
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Fuse Box Mercedes W204 Rear SAM Relay Fuse Box Control Module A2049000902
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Differential Locking Module BMW F10 M5 F13 M6 Rear Axle Control Unit ECU 7847955
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YUASA 5000 12V Accumulator Battery 80Ah 740A HSB096
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Mercedes SLK R171 Fuse Box Relay Control Unit Electric Module SAM A1715450001
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Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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BMW 3 X1 SERIES E84 E90 E91 E92 Petrol Instrument Cluster Speedo Clocks 9130296
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BMW VRLA / AGM 12V Accumulator Battery 80Ah 800A 9364593 7555719
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Navigation System BMW E90 E91 E92 Professional CCC Sat Nav Controller 9170721
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Mercedes W164 Fuse Box Relay Module Unit A1645403472
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BMW Mini Cooper One R56 High PL3 SPEG H2 Fuse Distribution Box 3451926
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Mini Cooper D R56 LCI N47N Diesel Engine ECU Kit DDE 8519663 CAS3 Keys Manual
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Engine Control Unit BMW F20 F21 F22 118i 218i B38 136HP ECU DME 8699955 Manual
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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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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
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Battery Clamp VW Golf 8 CD1 Audi A3 8Y Battery Base Bracket Holder 5Q0803219C
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BMW E60 LCI E90 E91 325d 525d M57N2 ECU Engine Control Unit DDE 7805288 Manual
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BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Mercedes W204 Battery Clamp Fuse Protection Switch A2075400250
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Mercedes V177 W247 Windshield Camera Driver Assists Front Camera A2479004411
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Part no. 3455436
Mini Cooper One R55 R55N LCI High PL SPEG H4 Fuse Distribution Box 3455436
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Mini R56 LCI R60 N16 98HP Petrol Engine Control Unit ECU DME 8600124 CAS3 Key
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BMW X5 E53 Navigation System Sat Navi TV Video IBUS Module Unit 6968041
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BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Part no. 7810860
BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860
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Mercedes W209 Convertible Fuse Box Rear SAM Module Control Unit A2095452301
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BMW E90 E91 E92 Radio Fan Adapter Cooling Control Unit Module F40HQ012GKB
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BMW F20 F21 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8630125 Manual
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BMW 3 Series E90 E91 320i N46 Wiring Loom Harness Engine Gearbox Module 7572358
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BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 Control Unit CAS3 + Key
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Audi A4 B9 A5 F5 Air Module Pedestrian Protection Sensor Crash 8W0959121A
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BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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BMW 5 Series E60 Body Gateway Module KGM HIGH LEAR 9118729
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Mercedes W212 Valve Block AMG Air Suspension Control Unit Module A2123200558
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Safety Control Unit BMW F01 LCI F07 F10 F11 F25 Air Module Bag ECU 9350003
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BMW E87 LCI E90 E92 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 + Key Manual
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BMW Z4 E89 Cabrio Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Mini R50 One D W17 1.4 Diesel Engine Starter Motor 7791335
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BMW F20 120d F30 320d LCI B47 190HP Engine Unit ECU Kit DDE 8589145 Key FEM
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Mercedes Sprinter W906 Door Module Front Right Control Unit A9068203926
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6947499
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BMW X3 X5 Series E53 E83 E87 Hands-free Electronics Charging Module MULF 6945387
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BMW 1 Series E87 ECU Body Control Module Unit H2 PL2 JBBFE 6964596
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Mercedes W164 ML320 CDI 4-Matic OM642.920 Engine ECU Kit A6421506100 Key Lock
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Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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Mercedes-Benz M-Class ML W164 Dashboard Wiring Cable Harness A1644405736
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BMW 3 Series E92 Max Brose Footwell Light Module Control Unit ECU FRM3R 9224598
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Ford Transit MK8 Under Bonnet Fusebox Module BK3T9K499FBC
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BMW F20 F21 F30 116i 316i N13 Engine Control Unit ECU Module DME 8614302 Manual
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BMW E92 E93 Diesel 330d M57N2 231HP Engine ECU DDE Kit 7805585 Automatic
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BMW E60 E87 E90 LCI 120d 320d 520d N47 Engine ECU Kit DDE 7807530 CAS 3 + 2 Keys
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Audi A5 8T Radio Stereo Head Unit Control Switch Unit Audio Controller 4F0035061
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Battery Terminal Cover BMW E39 Mini R50 R52 R53 Trim Base B + Positive 1702103
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BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9192739
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BMW E90 E92 330d 335d M57N2 Engine Injector Module Wiring Harness Cable 7796081
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Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
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Audi A3 8V Air Module Control Unit SRS System ECU 5Q0959655AR
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BMW E65 E66 E67 Rear Seat Headrest Adjustment Actuator Drive 7123326
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Part no. 03G906018FC-1
Volkswagen Golf 5 1K 2.0 TDI BMN 170HP Engine ECU Kit 03G906018FC 2 Key Ignition
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Part no. A2075401850
Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075401850
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Dashboard Display Screen BMW F20 F21 LCI GPS Navigation Sat Nav Android 10,25"
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Part no. 9218356-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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Mercedes W415 Citan 109 CDI OM607.951 Engine Unit Module ECU A4159006703 Manual
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Part no. 7587548-1
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7587548 + CAS3 + Key Manual
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Mercedes W205 Centre Console Wiring Harness Cable Loom A2055401924
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Door Wiring Mercedes W415 Citan Cable Front Left N/S Harness Loom 241257541R
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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On-Board Screen BMW F10 F11 CIC Central Information Display Monitor 10,25"
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BMW X5 X6 Series E70 E71 Cable Loom Wiring Set Seat Driver's Side 9188741
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 Cigarette Lighter Socket 6973036
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Gateway Control Module Audi A3 8V Volkswagen MK7 ECU Unit 5Q0907530Q
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BMW X3 Series E83 2.5i 3.0i M54 Automatic Gearbox Wiring Loom Harness 3412238
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BMW F22 F23 F30 F31 LCI 218i 318i B38 136HP Engine ECU DME 8662411 Manual
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BMW X1 F30 F31 LCI Starter Motor Engine 8612576
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400
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BMW F20 F30 F45 LCI 116d 216d 316d B37 ECU DDE Engine Control Unit 8473185
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Part no. 7514587
Mini Cooper One R50 DME Petrol Engine Control Unit ECU 7514587 Manual
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BMW 1 3 Series E87 E90 E91 Petrol N52 Wiring Loom Harness Engine Manual
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Part no. A1718207126
Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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BMW F30 F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9320213
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BMW AGM 12V Accumulator Battery 90Ah 9343747
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9247062
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BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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BMW E60 Light Control Module Unit Lear LM II E6X AHL Lear 9137776
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Part no. 7565300-8
BMW E87 E90 E91 118i 318i N46 129HP Engine ECU Kit DME 7565300 Manual Key CAS 3
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Relay Glow Littlefuse Mega Fuse 200 Amp 5293147
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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 .