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. A1679008406
Mercedes W167 W177 W247 Ignition Engine Control Unit Module A1679008406
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Mercedes W204 W213 ML W166 OM642 Diesel Engine Starter Starting Unit A6429061000
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645402601
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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VW Touareg 7L Body Control Comfort Unit Module STG Convenience ECU 7L0959933H
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CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990
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Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
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BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766
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Audi TT 8J Gateway Control Unit Module 7N0907530AL
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7595179 CAS3 + Key Manual
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Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
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Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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Mini R56 Head Unit CCC Navigation Navi Sat Nav Controller R55 R57 9159045
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283529
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Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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Part no. 4M0907594J
Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594J
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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594
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Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289
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Part no. 02M911021S
Audi TT FV Starter Motor Engine Diesel 02M911021S
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Mercedes W212 Door Wiring Loom Cable Rear Left Right N/O/S A2124401851
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Part no. 6983307
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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Part no. 9309990
Mini F57 Cabrio Antenna Aerial Amplifier AM / FM Rear Unit Module FM2 9309990
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Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102
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Part no. A0015455716
Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Part no. 04C903023T
Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Part no. 8P0959433
Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
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Part no. 9164355
Battery Cable BMW E81 X1 E84 E87 Lead Negative 9123571
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Part no. A1694402805
Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Part no. 3456855
BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Part no. 9170702-1
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Part no. 9128183-1
BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
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Part no. 6977759
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
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Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
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Part no. 04L907309B-2
Volkswagen Golf 7 1.6 TDI CLHA 105HP Engine ECU Kit 04L907309B Key + Ignition
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Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Part no. 069911023MX
Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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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. 4109140
MINI Cooper One R50 Control Unit For Radio Remote Control 433MHZ 4109140
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BMW F20 F21 Stoplamp Third Brake Light Rear Stop Lamp Red 7241551
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Headlight Ballast BMW E60 E61 E90 E91 Xenon Adaptive Control Module 6941634
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Part no. 6978265
BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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Part no. 9285768
BMW X3 F25 Tailgate Trunk Lid Wiring Harness Rubber Cover Right O/S 9285768
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Part no. 9202152-1
BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
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Part no. 9203081-1
BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Part no. A1645460161
Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161
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Part no. 7557395-8
MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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Part no. A1645402372-1
Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Part no. 6868257
Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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Part no. 5K0959655
Volkswagen VW Golf Mk6 1K Air Module Control Unit ECU 5K0959655
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Part no. A2711505433
Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
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Part no. A2038201311
Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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Part no. A2479007314
Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Part no. A2129004008
Mercedes C207 Stereo Radio CD Player Head Unit A2129004008
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Part no. 7589971-8
Mini Cooper R55 R56 Engine N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Manual
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Part no. A2218709987
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218709987
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Part no. 6821164
BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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Part no. A2115452132
Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Part no. BK2T-14303-AG
Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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Part no. 3D0941329
Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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Part no. 8R2035666L
Audi A5 8T Harman Multimedia Sat Navi Radio CD Player Head Unit 8R2035666L
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Part no. 9221719
Mini Cooper R55 R56 R60 CAS 3 ECU Control Unit Key Reading Module 9221719
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Part no. A0009063000
Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
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Part no. 03L906022NP-1
Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Part no. 7592529
BMW F20 F23 F11 N55 Engine Wiring Harness Motor Adapter Sensor System 2 7592529
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. A2049005201
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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Part no. 4G1035192A
Audi A7 4G Multimedia CD Radio Control Head Unit 4G1035192A
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Part no. A0009008402
Mercedes W204 W176 W212 Tyre Pressure Monitor Control Unit Module A0009008402
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Part no. 3456988
Mini Cooper One R60 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3456988
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Part no. 8P0959802F
Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F
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Part no. A1718200726-1
Mercedes R171 Front Module Door Left N/S Control Unit A1718200726
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Part no. 6988104-1
BMW E39 E46 X5 E53 X3 E83 EWS IV Control Unit Modul 6988104
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Fuel Pump Control Audi A3 8P VW Golf Mk6 Relay Module Unit ECU 12V 1K0906093F
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Mercedes W204 Rear Left Door N/S Control Unit Module A2048207785
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BMW Mini Cooper One R56 ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635
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VW Volkswagen New Beetle 1.6 BFS Petrol Starter Generator Motor 02A911023L
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BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
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Mercedes-Benz E-Class W210 Estate Radio Aerial Antenna Amplifier A2108200789
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Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Part no. 9291956
BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956
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Part no. 9221110
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9221110
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Part no. 8K0907063P
Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
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Part no. A2518206510
Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. 9344044
Mini Cooper F54 F55 F56 F60 Radio CD Player Media Head Unit Alpine 9344044
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Part no. A2515450316
Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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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 .