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. 8227 2+32G
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Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9247062
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BMW E60 Light Control Module Unit Lear LM II E6X AHL Lear 9137776
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Mercedes W204 Radio CD Player COMAND Stereo Sat Nav Head Unit A2049061002
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Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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BMW E81 E87 E90 N43 120i 320i N43 170HP ECU Kit DME CAS3 Key 7583225 Manual
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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045456201
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Audi A1 8X Air Module Control Unit Sensor 8X0959655B
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Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU A1569009100 Automatic
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Mercedes W221 Power Supply Battery Control Module Unit A2215400401
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Mercedes W205 Fuse Box Relay Control Module Battery Terminal A2055402250
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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BMW 5 6 F10 F11 F12 Cable Set Power Steering Rack Box Wiring Harness 9271762
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Mercedes-Benz S-Class W221 Headlining Alarm Sensor Module Cover Trim A2219050018
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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BMW F01 F07 F10 F11 Tire Tyre Pressure RDC Control Unit Module 6871056
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BMW F20 F21 114i N13 102HP Engine Control Unit ECU KIT DME 8610484 FEM Key Lock
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147216
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BMW Disc Professional Navigation 2019 Update DVD1 Road Map Europe T1000-26952
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BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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BMW E87 E90 E91 118i 318i N46 ECU Kit DME 7565300 CAS3 + Key Manual
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Ford Transit TT9 Control Unit Relay Central Door Lock Module ECU F3LB-14B118-AA
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
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BMW E60 525i M54 192HP ECU Engine Control Unit Module DME 7533651 Automatic
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Audio Amplifier BMW F20 F21 F22 Harman Kardon System 9353984
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Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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BMW 6 Series E63 E63N E64 LCI Negative Battery Cable Minus Pole IBS 6944685
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Engine Wiring BMW E90 E91 LCI N57 Diesel Harness Loom DDE 7812509 7808251
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BMW 5 Series E60 520i 525i 530i M54 Engine Gearbox Wiring Harness Loom 7529729
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Audi A5 8F Starter Alternator Wiring Loom Harness 8K2971228H
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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Mercedes CLS W219 Door Module Front Right O/S Control Unit A2198202426
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Starter Motor Mercedes W906 M272 Engine Diesel Bosch A0061511001
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7808289 CAS3 + Key
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Audi Q2 GA Head Unit Navigation Multimedia Control Unit MMI 81A035043
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Mercedes W169 PDC Parking Sensor Distance Control Module Unit ECU A1695455332
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Kosmos Black 191
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BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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BMW 5 6 E61 Touring E63 Coupe Panoramic Sliding Sunroof CAN Bus Control Unit
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BMW E46 E64 Front Seat Backrest Adjustment Drive Right O/S 8267408
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Mini Cooper R57 R58 R60 R61 Amplifier Control Unit Hifi Harman Kardon 9260949
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BMW F20 LCI 118i B38 136HP Engine ECU Kit DME 8662411 + FEM + Keys Automatic
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 Key 7584113 Manual
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6923547
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BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU Kit DME CAS 2 Key 7545046
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Volkswagen VW Tiguan 5N Parking Brake Handbrake Module Control Unit 3AA907801J
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Audi A5 8T Harman Becker Navi Sat Radio Receiver Control Head Unit 4G0035053
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BMW F30 F31 Hifi Audio Sound Amplifier Control Unit ECU Harman Becker 5A41CD0
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Mercedes-Benz A-Class W176 Audio 20 CD Player Navigation Stereo Radio Head Unit
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BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
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BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000
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Part no. 9313638
BMW 3 Series F30 F31 F80 M3 Front Passenger Wiring Loom Harness Cables 9313638
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Part no. 7567178-12
BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 Key Automatic
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
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Audi A6 C7 A7 4G Dashboard Screen Head Unit Dash Multimedia Monitor 4G0919607H
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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BMW E81 E82 E87 E88 LCI 125i 130i N52N Engine Wiring Loom Harness Module 7566594
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BMW 1 3 Series E81 E87 E90 E91 E92 Amplifier Sound Audio System Alpine 0445683
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BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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BMW E90 E92 330i 272HP N52N Engine ECU Kit DME 7576297 + CAS3 + Key Automatic
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
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Mercedes W176 W207 2x USB Interface Multimedia Adapter Connector
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BMW 7 Series E65 E66 735i N62 272HP ECU Kit DME 7523523 + CAS + Keys Automatic
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Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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BMW AGM 12V Accumulator Battery 90Ah 900A 7575328
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Audi A5 8T 2.0 TDI CNHA Diesel Engine Motor Starter 04L911021
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Fuse Box Mercedes C118 W177 W247 Battery Relay Terminal A1775404107
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BMW E81 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9230453
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BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
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Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926
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BMW E60 E90 330d 530d M57N2 ECU Engine ECU Kit DDE 7801712 CAS2 + Key Automatic
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VW Tiguan 5N 2.0TDI 4motion 140HP CBAB Engine Control Unit 03L906022G Automatic
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Hands Free Control BMW E81 E87 E90 Electronics Charging Module MULF 6965406
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BMW E91 Touring HiFi Amplifier Speaker System Control Unit Module 9143161
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Mercedes W211 W219 Radio CD Player COMAND Sat Navigation Head Unit A2118203297
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BMW 1 3 Series E87 E90 120i 320i N46 Engine Wiring Loom Harness 7549261 7549271
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BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990
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Mercedes-Benz C E Class W204 W207 W212 Front Left Door N/S Control Unit Module
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Telematics Module BMW F40 F44 G20 Telephone Control Unit ATM ECE 4G 5A0B497
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Mini Cooper R55 R56 Petrol N12 DME Engine Control Unit ECU 7600076 Manual
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Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 6807633
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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 .