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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VW TOURAN 1T Steering Angle Steering Wheel Column Control Module ECU 1K0953549AF
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Land Rover Range Rover Sport L320 Air Suspension Valve Block Module RVH000055
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Alternator BMW F20 LCI Mini F30 F56 F60 Alternator Generator DENSO 150A
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Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
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BMW 3 X1 F30 LCI F48 Telematics Telephone Control Module ATM ECE 3G 6809306
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Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
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Mini Cooper One R55 R56 1 Radio Boost CD Player Head Control Unit 3448827
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VW Golf Mk5 1K Body Control Comfort Unit Module Convenience Unit 1K0959433AK
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Mercedes ML W164 Gateway Control Unit Gateway Module ECU A1645406745
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Bass Speaker BMW F30 F31 F32 Central Subwoofer Harman Kardon Left N/S 9210151
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Mercedes W910 OM651 Engine Alternator Generator Bosch A6519065200
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BMW E60 LCI E90 325d 525d M57N2 197HP Engine ECU Unit DDE 7809941 Automatic
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Ford Mondeo MK4 Negative Battery Terminal Cable Wiring Connecting 6G9T14301BK
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BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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Audi TT 8N Mk1 1.8T Petrol Engine Starter Motor Assembly 0001121022 02M911023
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Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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BMW 3 Series E46 Radio Business Cassette Player 6928762
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Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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Audi A4 B7 PDC Parking Distance Sensor Control Unit Module Rear 8E0919283D
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BMW E90 LCI Body Control Module H1 61359267419 9267419
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Audi A6 C7 PDC Parking Distance Sensor Module Control Unit ECU 4H0919475Q
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BMW 3 Series E46 Radio Business CD Player 65126939660 6939660
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049004306
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Battery Cable BMW X5 F15 X6 F16 Positive Plus Pole Distribution Wiring 9322056
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BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Mercedes W211 Central Gateway Module Control Unit A2115405645
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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BMW 3 Series E92 Footwell Light Control Module Max Brose Lear FRM3R PL2 9230445
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BMW E87 E90 E91 E92 CCC CD Professional Navigation System 9138448
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Audi TT 8J Gateway Control Unit Module 7N0907530AL
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BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922
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Mercedes GLE250 W166 OM651.960 204HP Engine ECU Kit Ignition + Key A6519004201
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BMW X3 Series 1 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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BMW E87 E90 118i 318i N46 129HP ECU KIT DME CAS2 + Key 7557290 Manual
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718205126
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Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
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Parking Sensor Wiring Mercedes W177 V177 Rear Bumper PDC Loom Cable A1775400630
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Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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Audi A4 B9 2.0 TDI DTNA 163HP Engine Control Unit ECU 05L907309 Automatic
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BMW Mini Cooper R55 R56 R57 CCC Navigation Navi Sat Nav Head Unit 9195956
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Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Lucas LRA02970
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Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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Renault Traifc Vauxhall Vivaro Alternator Bracket Mount Holder 117109477R
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SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
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Renault Trafic II Vauxhall Vivaro A 1.9 Diesel Engine Starter 7700116260
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3X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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BMW 3 Series E46 Coupe Saloon Aerial Antenna Amplifier Diversity 433MHZ 6907123
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BMW 1 3 5 Series E60 E87 E90 E91 Cable Adapter iPod Connection 2154179
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Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
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Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q
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Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6958040
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BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
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BMW 1 Series E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9230455
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Kia Ceed Sportage Hyundai Relay Unit 5 Pins 30/20A Blue 95225-1F100
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
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Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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CD Radio Mercedes W639 W906 Audio Stereo Head Unit A6398200186
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Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit 9897880 BDC + Key
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ECU Engine Control BMW E81 E87 E90 LCI 118d 318d N47 Diesel DDE 7823422 Manual
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Mini F56 Module Active Sound Design Audio Control Module Harman Becker 9363496
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Mercedes C207 Parking Sensor Wiring Loom Cable Harness Front PDC A2074400208
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BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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BMW X5 E70 CD Player Head Unit CIC DAB Professional Navigation Sat Nav 9257200
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BMW X5 E53 4.4i 4.6is M62 Water Cooled Alternator Generator 150A
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Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
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BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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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 .