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. A9108805600
Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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Control Unit BMW F10 F11 CAS4 Reading Module 9268751
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BMW Banner AGM 12V Accumulator Battery 80Ah 800A 7602226
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Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698203085
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Mercedes W211 Central Gateway Module Control Unit A2115405645
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + Key
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Ford Transit Custom Mk1 Front Windscreen Rain Sensor Module G3GT-17D547
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BMW E82 E88 E92 E93 LCI Accelerating Sensor 9244144
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BMW 3 Series E90 E91 E92 E93 Board Monitor Navigation Screen 8,8" 9179807
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Mercedes-Benz C W203 CL203 M111 Engine Wiring Harness Loom Cable A2035401905
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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BMW F20 F21 F30 F31 F32 1 Body Control Unit Module REM 9329701
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BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mini Cooper One D R55 R56 W16 Positive Battery Power Cable Lead Wire 7571148
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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BMW Banner AGM 12V Accumulator Battery 105Ah 950A 9321980 7604808
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BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 8506373 Automatic
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BMW 5 6 Series E60 LCI E63 CHAMP Business System Controller CD Player 9176832
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Mini R50 R52 R53 Sat Nav GPS Dashboard Display Head Unit Frame Cover 6972084
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Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C
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Mini Cooper F54 F55 F60 B38 136HP Petrol Engine ECU Module DME 8662843 Manual
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BMW E53 Basic Body Control Module Unit GM3 61356935890 6935890
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BMW X5 X6 Series E70 E71 Battery Cable Wire Lead Positive Underfloor 9154716
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Fuse Box Mercedes W205 W213 C238 C253 Control Unit Module A0005408250
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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BMW E60 E87 E90 CAS 3 Key Reading Module Control Unit ECU 9147226
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Part no. A2219000100
Mercedes W221 Digital Audio DAB Receiver Control Unit Module A2219000100
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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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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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BMW 5 7 Series E60 E61 E65 E66 Front Seat Control Module Unit Ecu 6920449
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Battery Cable BMW X3 G01 Rear Trunk Battery Negative Lead Wire IBS 8795892
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Citroen Dispatch Front Fuse Box BSM Control Unit Module 9807028680
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BMW 3 Series E92 N52N 325i 218HP ECU Kit DME CAS3 + Key 7567362 Manual
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
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Audi Q7 4L Sensor ABS Wiring Harness Cable Rear 7L0971279G
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BMW E87 E90 118i 318i N43 143HP Engine Control Unit ECU DME 7579142 Automatic
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BB
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PDC Module BMW F45 X3 F25 Mini F55 F56 F60 Parking Distance Sensor Unit 5A02F94
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Aerial Roof Antenna Mini Cooper Countryman R58 R60 R61 Base Module 9803844
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Ford Transit Mk8 Relay 5-Pin Blue FoMoCo FU5T-14B192-AA 4RC933364
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BMW 1 Series E81 Xenon Footwell Light Control Module LCM PL2 FRM II 9175653
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VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Audi Q5 FY Gateway Control Module Unit ECU 8W5907468F
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Ford Transit Mk8 Relay High Power 4-Pin Black FoMoCo GU5T-14B192-GA 4RA933714
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Audi TT 8N BAM 1.8 T Quattro 225HP Petrol Engine Unit ECU Manual 8N0906018H
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035061D
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Mercedes Vito Viano W639 Side Sliding Door Control Unit Module ECU A6399000300
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Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Mercedes Citan W415 Bluetooth USB Audio Stereo Radio Head Unit A4158203100
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Mercedes W906 311 CDI 109HP 646.985 Engine ECU Kit A6461506372 Key Lock Manual
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BMW X1 E84 xDrive 18d N47 143HP Engine Unit ECU DDE 8512499
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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Mercedes W204 C 250 271.860 204HP Engine Control Unit ECU A2711500391 Automatic
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BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9210508
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BMW G11 ECU Body Domain Controller BDC Comfort/Convenience Module 8801716
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Part no. 7579142-6
BMW E87 LCI E90 118i 318i N43 Petrol ECU Engine Control Kit DME 7579142 CAS3 Key
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Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Manual
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Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
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BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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Engine Wiring Mercedes W204 C207 OM651 Diesel Harness Loom Cable A6511501533
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Mini Cooper F56 B38 1.5 136HP Petrol Engine Control ECU DME 8699946
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BMW F20 F30 LCI 118i 318i B38A15A 136HP Engine Unit ECU DME 8674265 Manual
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Engine Wiring BMW E60 E61 E63 E64 N62 Loom Harness Cable 7543153
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Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R
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BMW E61 Body Control Module ECU Unit KBM High 6978714
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 9176953
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Mercedes W211 Battery Load Control Module Relay A2115404245
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M-Audio Controller BMW E60 E61 E63 Radio Player M-ASK CD Professional 6965044
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Mercedes R171 Module Safety Airbag SRC Sensor Control Module Unit A1718202426
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BMW X5 E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9292707
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Mercedes Vito W639 Wiring Harness Rear Boot Trunk Lid Tailgate Loom A6394405109
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Citroen Relay III Stereo Radio Head Unit 7357588720
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Audi Q5 FY Front Door Control Module Unit Right O/S Side 8W1959593
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Fuse Box Mercedes SLK R171 Roadster Fuse Relay Box Control Module A1715450201
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BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
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Mercedes W212 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2128205313
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Starter Motor Mercedes W213 C238 C253 Engine A2749062100
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Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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Mini One R56 N12 95HP ECU Engine Control Kit DME 7589971 + CAS3 + Key Automatic
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BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passenger Side 6982356
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BMW X5 E70 X6 E71 Control Unit Module Transfer Box 7569969
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KaFAS Camera BMW G11 LCI G20 F40 Front Windscreen Camera Module 9871906
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BMW E60 E63 LCI E90 335d 535d 635d M57N2 286HP Engine ECU DDE 8509036 CAS3 Key
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BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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Part no. 9290989-2
Radio Professional BMW F30 F31 F32 CD Bluetooth Player 9290989
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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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 .