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. 6931707
BMW Z4 Series E85 E86 Body Control Unit Module GM5RD 12V 6931707
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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Audi A4 B7 Sat Navi Stereo Radio Audio Head Unit CD Player 8E0035192T
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Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018
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BMW E60 E90 E91 N52 325i 525i 218HP ECU DME 7555361 Engine Control Unit Manual
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104
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Mini Cooper One R55 R56 R57 Cable Adapter iPod Connection 0415047
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Fuse Distribution Box Mini Countryman R60 Electrical SPEG High 9813622
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BMW F10 F11 On Board Screen Central Information Display Monitor 10,25" 9289008
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Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
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Mercedes W205 W213 Engine Wiring Harness Cable Loom M274 Petrol A2741504703
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Mercedes W163 Air Module System Control Unit Module ECU A1635422918
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BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit Module 6934837
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Mini R50 Park Lane Sticker Rear Window Decals Plates Set
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Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic
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MINI Cooper One R56 PL3 SPEG H5 Fuse Distribution Box 3455440
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BMW G20 Axle Differential Module Control Unit ECU 5A11E72
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Mercedes W213 S213 Multimedia USB SD Card Reader Port Socket Module A2058200526
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BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809
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BMW X5 E53 Radio Stereo Screen Multi Functional Display Head 6914606
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Starter Motor BMW E60 E83 E87 E90 Diesel Engine Starter Actuator NAPA NSM1060
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9258164
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Mercedes-Benz E W210 S210 CD Player Radio Audio Navi SMS Head Unit A2108205689
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Part no. 7811111-3
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key Automatic
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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Part no. 8636068
Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
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Part no. 31100-PWA-004
Alternator Generator Honda Civic Jazz Petrol Engine Mitsubishi 31100-PWA-004
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. 8K0907064JJ
Audi RS4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064JJ
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Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
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Part no. 6801294
BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Part no. 7P5941572A
Volkswagen Golf Mk7 5G Headlight Ballast Module Left Right N/O/S 7P5941572A
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Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135
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Part no. 4F0915459
Audi A6 C6 Battery Positive Plus Pole Terminal Lead Overload 4F0915459
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BMW 5 Series E60 E61 Positive Battery Cable Plus Pole Lead 61126971219 6971219
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Engine Wiring BMW F20 F21 F30 120dX 320dX N47N Loom Harness Cable Module 8586168
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Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Peugeot 207 1.6 HDI Diesel Engine Starter Motor Engine Unit 9646679980
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Part no. 93970000052
Trafficmaster Control Module Mini R50 R53 GPS Control Unit ECU 93970000052
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Audi S7 4G8 Front Lamp Headlight Level Sensor 3C0907503
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Part no. 9389658
BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Mercedes C253 Electronic Control Unit Module A2539003001
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Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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Part no. AC1112A650BC
Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC
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Battery Cable Volkswagen VW Golf Mk5 Positive Plus Pole Lead 1K0971228M
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Audi Q7 4L Front Seat Memory Control Module Unit ECU Left Right N/O/S 4F0959760D
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BMW E81 E87 E90 E91 E92 Radio CD Professional 9150109 65129150109
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BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
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Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
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Audi Q3 8U Amplifier BOSE Premium Audio Sound System Module 8X0035223D
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Part no. 8519663-15
Mini Cooper D R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 Key CAS3 Manual
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Part no. 6974364
Air Module Sensor BMW E60 E61 E63 Left B-pillar N/S 6974364
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Part no. 9183373
Bluetooth Module BMW E81 E87 E90 E91 Hands Free High MULF2 Harman Becker 9183373
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Part no. 9112463
BMW Z4 E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9112463
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Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Part no. 9249083
BMW E91 LCI Footwell Light Control Module LCM LED Basis 9249083
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Mercedes W177 Front Seat Left N/S Module Control Unit ECU A2479005707
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Wiring Mercedes W176 W242 W246 C117 Petrol M270 Engine Harness Loom A2701501533
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Porsche Cayenne 9PA Rear Door Treble Speaker Audio Unit Right O/S 7E0035411B
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Alternator Generator Mercedes W164 OM642 180A Electrical Unit Diesel A6421540502
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BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed
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Bass Speaker BMW F30 F31 F32 Central Subwoofer Harman Kardon Left N/S 9210151
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Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
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Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689
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Mercedes ML W164 Diesel OM629 Wiring Alternator Starter Harness A1644406532
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Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401
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Part no. 8686185
BMW F40 X1 F48 Mini Countryman F60 Engine Starter Motor 12V 8686185
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Part no. 9224617
BMW X5 E70 Footwell ECU Light Control Unit Module FRM IIIR Lear 9224617
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Part no. 9157156
Body Gateway Module BMW E60 E61 LCI E63 E64 ECU Control Unit 9157156
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Part no. A0009006616
Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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Part no. 6826984
Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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Part no. 2S7T11000DC-1
Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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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 .