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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Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102
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BMW 1 3 Series E81 E87 E90 E91 1 Radio BMW Business CD Player 9141682
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Mercedes ML W164 SAM Module Passenger Side Control Unit A1645402501
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457526
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Porsche Boxster 986 Air Module Control Unit ECU 99661821901
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BMW E87 LCI E90 116i 316i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key 7579142
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Road Top HD Digital Decoder Retrofit Kit Module Camera CarPlay Control Unit
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Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Mini Cooper S R55 R56 N14 1.6 174HP Engine Control ECU Kit DME 7610009 Manual
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Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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Alternator Nissan Qashqai 2.0 dCi Diesel Engine Alternator 12V 150A 23127JG71B
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Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9275509
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
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BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
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Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Mercedes W639 W906 W907 OM642 Diesel Engine Alternator Generator A0009062700
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Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
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BMW 7 Series E65 E66 E67 Diagnosis Interface Media System MOST Jumper 6917541
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BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011
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BMW F23 REM Rear Electronic Module Fuse Box Control Unit V2 9374507
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Audi Q3 8U 2.0 TDI CUWA Fuel Pump Relay Control Unit Module ECU 5Q0906121M
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MINI One R50 1.6i W10 90HP Engine ECU KIT DME 7527610 7536020 + Key Automatic
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Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
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Volkswagen Golf Mk7 Audi A3 8V Engine Starter Motor Start Stop Denso 02E911024D
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Audi A6 C6 CD Player Changer Multimedia Module Control Unit 4F0035110A
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Volkswagen Tiguan 5N Air Module Crash Control Module Unit ECU 5N0959655A
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BMW X5 E53 4.4i 4.6is M62 Water Cooled Alternator Generator 150A
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Alternator Generator Mercedes W207 W212 OM642 Diesel Engine 200A A0009062722
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9249083
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Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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Mini Cooper One R60 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3456988
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Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012
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Mercedes W176 Oil Pump Adapter Solenoid Valve Wiring Harness M270 A2701503920
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Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961363
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BMW 3 Series E87 LCI Footwell Light Module ECU Control Unit LED XE FRM 9204536
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual
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VW Volkswagen Golf 6 Gateway Control Unit Module ECU 7N0907530C
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BMW 7 Series E65 Door wiring harness mod. carrier rear right O/S
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Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Audi A3 8P Engine Alternator Generator 14V 140A 1.8 TFSI CDAA 06H903017E
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Porsche Boxster 986 Sunroof Control Relay Module 98661819900
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Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B
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BMW F32 REM Module Body Control Module BCM Fuse Relay Unit V5 9499005
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MINI S R52 R53 W11 Engine Control Unit Module ECU DME 7553735 Manual
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Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229
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Audi A4 B7 A6 C6 Alternator Bracket Pulley Mount Holder 2.7 3.0 TDI 059903143K
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Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2048700594
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Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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MULF2 Module BMW E60 E87 E90 E91 Hands-Free Electronics Charging Unit 9226711
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit Unit DME 7620985 CAS3 + Key Manual
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BMW E60 E81 E87 E90 Snap-in Adapter Basic Telephone NOKIA 6230I
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BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 6317177
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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 .