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. 03L906018JG
Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual
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Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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Mercedes SLK R171 Air Module System Control Unit ECU A1718206526
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Fuse Box Mercedes W204 Front Relay Control Unit Module SAM A2129006624
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BMW Z4 E89 Professional Navigation System Computer CIC 9218337
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3456586
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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Audi A3 8P Stereo Radio Audio CD Player Head Unit 8P0035152E
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Mini Cooper D R55 R56 Diesel W16 1.6 109HP ECU Kit DDE 7809794 CAS3 + Key Manual
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BMW 1 3 X1 Series E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6946528
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Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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Audi A6 C6 Alternator Main Cable Wiring Harness Loom 8K0971228AJ
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BMW 1 Series 1 E87 6-disc CD Changer Without Magazine 6958198
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Ford Transit Mk4 Starter Motor Engine Actuator Diesel 92VB-11000-BA
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BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit 7595179 DME CAS3 + 2 Keys Automat
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Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Automatic
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Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-BB
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Mercedes Vito W639 OM651.940 136HP 113 CDI Engine ECU Kit A6511501879 Keys+Lock
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Volkswagen VW Touran 2.0 TDI BKD Engine Wiring Harness Loom Cable 03G972619KP
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BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Audi A5 8T 3.0 TDI CCWA 240HP Engine ECU Kit 8K0907401 Ignition + Key Automatic
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BMW E60 E61 E63 Passenger Side Door Control Module 6957760
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Audi Q7 4L Quattro Diesel 3.0 TDI ALternator Generator 180A Bosch 059903018K
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Mercedes W163 ECU Start Engine Control Unit Immobilizer Ring A1635454032
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Mercedes W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100
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BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Suspension Module BMW F82 Rear Axle Dynamic Suspension Control Module 6895714
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BMW X2 F39 F45 F46 Automatic Gearbox ECU Control Module EGS Unit 5A20558
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BMW X1 E84 Parking Control Module Unit PDC ECU 9252637
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BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE CAS3 + Key 8512047 Automatic
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Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006818
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BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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Seat Control Module BMW E60 X5 E70 ECU Seat Unit Controller 9184559
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BMW X5 Series E53 M57 3.0d Diesel Engine Starter Motor 2247391
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BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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Audi A6 C6 Diagnostic Interface Gateway Module ECU Control Unit 4F0907468M
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BMW 7 Series E65 E66 6-fold CD Disc Changer Without Magazine 6923547
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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BMW F20 F30 F32 Mini F55 F56 F60 KAFAS 2 Camera Control Unit Module ECU 5A350D2
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BMW X3 E83 LCi AMPLIFIER HIFI SYSTEM LEAR PL2 6990098 65126990098
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Mercedes W205 Display Screen Instrument Cluster Speedo Meter A2059004842
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BMW F10 F11 F12 ECU ICM Control Unit Module 6856874
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Engine Control Kit DDE 7801711 CAS2 Key
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Mercedes W168 A160 102HP Engine Control ECU Kit A0275454132 + 2 Keys Automatic
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BMW E46 Control Unit Module Mirror Memory 6913364
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Mercedes W205 C 220d BlueEFFICIENCY 651.921 170HP Engine ECU Unit A6519005203
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Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
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Fuse Relay Renault Laguna Master Vauxhall Vivaro 4-Pin Fuse Unit 8200308271
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
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BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX
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Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213
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BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9229878
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Mercedes H243 Multifunction Front Camera Control Unit Module A2479008715
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BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
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Audi A3 8P Battery Clamp Positive Plus Pole Cable Protection Panel 1K0971920
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Part no. 9246500
BMW E90 LCI Professional CD Radio Player 9246500
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Mercedes W176 W246 180 CDI 607.951 109HP Engine Unit ECU Automatic A6079002300
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Audi A4 B7 Electronic Yaw Rate Sensor Module 4F0907637
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CD
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Mini R56 Head Unit CCC Navigation Navi Sat Nav Controller R55 R57 9159045
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
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Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
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Mini Cooper F55 F56 F60 Windscreen Rain Light Solar Sensor Control Unit 9877611
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Volkswagen Golf Mk7 BCM Convenience Body Control Module Unit ECU 5Q0937084CL
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BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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Mini R57 R58 R60 Bluetooth Combox Control Module Audio ECU Harman Becker 9248315
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CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3453744
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BMW X5 SERIES E53 3.0i M54 Engine Wiring Loom Harness Module 7531986
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BMW E65 E66 E67 Navigation System DVD GPS Computer Head Unit 6935555
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Part no. 8512415-1
Mini Cooper D R55 R56 LCI N47N 112HP Diesel Engine ECU Kit DDE 8512415 CAS3 Key
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Air Module BMW X3 F25 F10 F11 F12 F13 ECU Control ECU Unit 9319492
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Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
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BMW E93 Footwell ECU Light Control Unit Module FRM3R PL2 Lear 9224594
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BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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Telematics Module BMW F01 F07 F10 Bluetooth Combox Telematik ECU 9244188
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Part no. 7556131
Starter BMW F10 F07GT F13 F03 X5 E70 Petrol N63 Starter Motor 1.6 KW 7556131
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BMW F98 Engine Starter Motor 8671505
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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 .