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. 8573116
BMW 5 Series F10 F11 LCI B47 Cable Alternator Starter 8573116
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BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC
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BMW X5 Series E53 Light Check Module Control Unit ECU Xenon Lear LCM IV 6961141
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Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
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Electronics Charging BMW E60 E87 E90 E91 Hands Free Module MULF2 9181378
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Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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BMW Z4 Series E85 Roadster Cabrio Sensor B-pillar Airbag Right O/S 6928572
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BMW E91 Antenna Amplifier Diversity Module 9193841 6934846
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MINI One R50 R52 W10 90HP Engine Control Unit Module ECU DME 7553735 Manual
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Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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Part no. 8509224
Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Audi A4 B7 Window Antenna Amplifier Module 8E5035225D
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Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
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Part no. CHIP POWER
Chip Power Box Remap Module Control Unit Wiring Cable Harness Plug OBD2
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961
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BMW E81 E87 E90 E91 Hands Free Electronics Charging MULF2 9162982
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Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Part no. A6519009302-5
Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
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BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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Part no. 1504506
Ford Transit Connect Body Control Module BCM Control Unit ECU 7T1T-14A073-BB
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Part no. A2749000800-4
Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800 Manual
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Part no. 6975173
Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173
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Part no. 6964602
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
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Volkswagen VW Caddy Radio Remote Control Alarm Key Fob Control Unit Module
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BMW 3 Series E46 Dashboard Dash Twilight Sun Solar Sensor 6901570
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BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
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Mini Cooper R50 One R53 S Drive Window Lifter Motor Front Right O/S 6954276
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VW Volkswagen Golf Mk7 1.6 TDI CLHA Diesel Engine Starter Motor 02Z911024L
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VW Golf V 5 1K Roof Top Antenne Control Unit Module 1K0035507F
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BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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BMW X1 E84 Front Bumper Loom Cable Harness Parking Sensors PDC Wiring 9191449
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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Audi A4 B9 Rear Hatch Boot Lid Tailgate Opening Control Module Unit 3G0962243D
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Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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Part no. 6977767-1
Mini Cooper R50 R52 R53 6-Disc CD Changer Unit Module With Magazine 6977767
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Part no. A0045450201
Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
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Part no. 9292656
BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292656
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Fuse Box BMW E87 E90 E91 E92 E93 Power Distribution Front Control Unit 6906621
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Part no. 03L906022DH
Audi TT 8J 2.0 TDI 170HP CBBB Quattro Engine Module Unit ECU 03L906022DH Manual
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Ford Transit MK7 Diesel Engine Wiring Loom Harness Cable CK3T12B637GAF
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BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9229880
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control Unit DME 7613226 CAS Key Manual
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Part no. 7524843
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
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Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
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Part no. A2215408845
Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Part no. 9335291
BMW F20 Driver Side Door Cable Harness Wiring 9335291
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BMW 3 Series E46 Door Wiring Loom Harness Co-Drivers Passengers Side 8383351
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Part no. 04801516AA
Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04801516AA
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Part no. 6913085
BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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Part no. 7794952-1
BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
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Part no. A0315450732
Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
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Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Part no. 6944963
BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Part no. 6957109
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 6957109
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Part no. 504086888
Iveco Daily MK3 Starter Motor Engine Diesel Bosch 504086888
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Part no. 04E903015A
Volkswagen Polo 6R Audi A1 8X Alternator Generator 14V 110A 04E903015A
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Part no. 3456951
Mini Cooper R56 LCI Footwell Light Module LOW EKS ECU PL3 FRM3R Lear 3456951
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Part no. 1K0907530AF
Gateway Module Audi A3 8P Volkswagen Golf Mk6 Control Unit ECU 1K0907530AF
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Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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Part no. A2129001606
Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
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Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock
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Part no. 9270035
Antenna Aerial Amplifier Mini F55 F56 F60 Rear AM/FM DAB 9270035
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098202689
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Part no. A2829003300-3
Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Mercedes C292 GLE 350d 4-Matic OM642.826 Engine Control Unit ECU A6429004701
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Part no. 7794626
BMW X5 E53 3.0d M57N 218HP ECU Engine Control Unit DDE 7794626 Automatic
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Wiring Harness Opel Vivaro B Renault Trafic 3 Loom Cable 93455434
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Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200
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Audi A1 8X Body Control Module Unit ECU 8X0907063K
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Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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Part no. 6927260
BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Part no. 4L0910655D
Audi Q7 4L Air Module ECU Sensor Control Unit 4L0910655D
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Part no. A9062700060
Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
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Part no. A2129006824
Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
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Part no. 8699955
Engine Control Unit BMW F20 F21 F22 118i 218i B38 136HP ECU DME 8699955 Manual
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Part no. 7803373-10
BMW E87 E90 E60 120d 320d 520d M47N2 163HP Engine Unit ECU DDE 7803373 Manual
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Part no. A2118701126
Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126
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Part no. A2075401550
Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Part no. 8K0919475T
Audi A5 8T PDC Parking Distance Control Module Unit Valeo 8K0919475T
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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 .