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 E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS 3 Key 8506434
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VW Volkswagen Golf MK6 Steering Wheel Column Control Module 1K0953549CF
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BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Audi Q7 4M Multimedia Navigation Player Radio Audio Head Unit 4M2035070A
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Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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BMW 5 6 Series E60 E63 On-board Navigation Display Monitor Screen 6,5" 6957342
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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BMW E39 6-disc CD Changer without Magazine 6908948
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Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Porsche Boxster 986 2.7 9622 220HP Engine Control ECU Kit 99661860500 Manual
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BMW 3 Series E93 ECU Body Control Module H3 Junction Box PL2 JBBFE II 9160190
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Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
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Audi A3 8V 1.4 TFSI CZEA Engine Control Module Unit ECU 04E907309A Manual
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Parking Control Module Mercedes C118 W177 W247 PDC Bluetooth Unit A0009004434
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BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Vauxhall Opel Combo Positive Battery Cable Lead Wire Cabling 51871153
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6866454
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BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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Audi A5 F5 Central Body Control Module BCM Unit ECU 8W0907064GC
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Mercedes W213 Seat Control Module Unit ECU A2139007107
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BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
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BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
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BMW E90 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Ford Focus Mk3 Air Module Control Module Restraint CM5T-14B321-CA
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Peugeot 308 1.6 HDi Diesel Engine Wiring Cable Loom Harness 9671135480
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BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME 7599881 CAS3 Key Manual
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9298939
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Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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Audi A6 C6 Hifi Audio Sound Speakers Amplifier Control Unit ECU 4F0910223C
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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BMW X5 F20 F21 F30 E70 LCI Trunk Lid Reversing Camera Rear 9240351
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BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1699000300
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BMW F22 F23 LCI Rear Bumper PDC Cables Wiring Loom Set 79720211
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Mercedes C207 W212 Head Unit High Line Radio Sat Nav DVD Bluetooth A2129006709
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BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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Volkswagen VW Touareg 7L Relay Unit Servotronic Module 6 Pins 7L6907160A
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BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101
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MINI Countryman R60 Holder Amplifier Bracket Holder Mount Hi-Fi Unit 9803651
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Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
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Audi Q3 8U 2.0 TFSI CULB 180HP Quattro Engine ECU Kit 06K907425C Ignition + Key
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BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
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BMW F32 F33 430d N57N 258HP Engine ECU DDE Kit 8577839 FEM + Key Automatic
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BMW E93 Body Control Module Junction Box ECU PL2 JBBFE H1 9134479
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Audi R8 Gen 1 Engine Starter Motor 4.2 FSI 02Z911023L
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Mini F55 F56 Control Unit Module Active Sound Design 8717601
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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MINI Cooper R50 R52 R53 W10 116HP Engine ECU Control Unit DME 7545789 Manual
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Mercedes R231 Control Unit Module Passenger Seat A2319003706
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BMW F20 F30 LCI Harman Head Unit High 2 Media Sat Nav Radio NBT EVO HU 6822066
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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697
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Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE CAS 3 Key 8519663
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Mercedes Sprinter W907 W910 Head Unit Multimedia Controller Module A9079008805
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Volkswagen Touareg 7L PDC Parking Sensor Control Unit Module 7L0919283C
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BMW X1 Series E84 20i N20 184HP ECU Engine Kit DME 8610678 CAS3 + Key Manual
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Audi A4 B7 Radio Player Head Unit CD Stereo Concert 8E0057186DX
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Part no. 8571358
Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358
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F20 62560400
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Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Part no. 7567178-4
BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic
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Part no. A1695456332
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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BMW F20 F30 F32 120d 320d 420d 184HP N47N Engine ECU Kit DDE 8578946 Automatic
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Mini F55 BDC FCC BSI Fuse Box Power Distribution Control Module Unit ECU 5A402E9
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BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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BMW E61 Body Control Module ECU Unit KBM High 6978714
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BMW X1 F45 F48 Mini F55 F56 F60 Air Module Control Unit Module ECU 9348935
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Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
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Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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Renault Trafic 3 Vauxhall Vivaro B Body Control Module ECU BCM T4 L4 284B18533R
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Mercedes W470 Diesel Engine Starter Motor A4709060300
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
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Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
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Fiat Doblo 1.3 Diesel Multijet 90HP Engine Control Unit Module ECU 55246588
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BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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BMW F01 F02 F07 F10 F11 F12 F13 G11 LCI Battery Power Dividing Element 9201980
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Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9281722
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Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW Z4 E89 Roadster Control Unit EMF Rear Wheel Brake Module 6794260
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Mercedes W906 OM651.957 Diesel Engine ECU Kit Unit A6519002600 Key Lock Manual
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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 .