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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Audi SQ5 FY Starter Motor Engine Diesel Bosch 06M911021A
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Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
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Fuse Box Control BMW E87 E90 E91 E92 E93 Front Power Distribution 6906609
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3455263
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Ford Fiesta MK7 Display Screen Multifunction Radio Dashboard 8A6118B955BL
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BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual
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BMW E65 E66 E67 Navigation System DVD GPS Computer Head Unit 6935555
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Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Audi A3 8V 2.0 TDI CRLB 150HP Engine ECU Kit Ignition + 2 Keys 04L907309A Manual
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Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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BMW 3 Series E90 E92 E93 M3 LCI Control Unit For Fuel Pump ECU 7842024
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BMW F20 F21 F30 F31 F32 Radio Stereo Professional CD DAB Head Unit 9299268
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Control Unit Seat Ibiza 6J VW Polo 6C 6R Air Module Unit ECU Bosch 6C0959655J
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BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS 3 + Key 7587548 Manual
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Skoda Octavia 5E Front Door Module Control Unit ECU Passenger Side 5Q4959392E
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BMW 3 Series E91 E91N LCI Antenna Amplifier Diversity Unit 868 MHZ 6934846
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Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
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Alternator Generator BMW F07 F10 F11 FN57N N57Z Diesel Engine Valeo 8570673
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Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Part no. A2059008204
Mercedes W205 SAM Module Fuse Box Relay Control Unit A2059008204
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BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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BMW E60 E63 LCI E65 Light Control Module LCM LM2 LMII E6X LWR
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Integrated Supply Module BMW F40 X1 F48 Mini F55 F56 Control Unit Z11 8642761
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BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Alternator Generator BMW F10 F11 F20 F21 F30 F31 N55 Denso 14V 210A 7616119
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BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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BMW E90 Light Module Xenon Footwell Control Unit Module ECU PL2 FRM II 9153779
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PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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Navigation Processor Mercedes W176 W212 Control Unit Module NTG 4.5 A1728100011
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BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9150718
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Mercedes W203 Aerial Antenna Amplifier Module Unit A2038707089
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Audi A4 B8 2.0 TDI Diesel CAGA Engine Control Unit ECU Kit 03L906022MK Key
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI 9640825280
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Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Manual
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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Mini Cooper R55 R56 Petrol N12 1.6 ECU Kit DME CAS3 + Key 7640004 Manual
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Toyota Yaris MK1 Display Screen Monitor Radio Nav Navigation Unit 861100D040
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Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314
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Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102
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VW Volkswagen Sharan 7N Passenger's Side Door ECU Module Control Unit 7N0959792F
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Starter Motor Mercedes W415 Citan OM607 OM608 Diesel Engine Starter 233006508R
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Air Module A2038207385
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Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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Part no. 9399431
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
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Alternator Mercedes W212 S212 Diesel OM651 Alternator 220A Valeo A0009063705
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BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142
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TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866
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Mercedes W164 C207 Automatic Gearbox ECU Control Unit EGS Module A0002703352
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Mercedes W176 180 CDI OM607 Engine Control Unit Module ECU 237101754R Automatic
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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BMW X3 E83 M47N2 2.0d 150HP ECU Kit DDE + EWS + Key 7801711 Manual
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Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
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BMW F10 F11 535d N47S1 218HP Engine Control Unit ECU DDE 8572874 Automatic
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Mini One R56 LCI R60 90HP Diesel N47N Engine ECU Kit DDE 8506666 + CAS3 + Key
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Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Mini Cooper R58 High PL3 SPEG H8 Fuse Distribution Box Control Unit 3456859
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Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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BMW E60 E90 E91 N52 325i 525i 218HP Engine Control Unit ECU DME 7553166 Manual
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Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
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BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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BMW F20 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8518424 + FEM + Key Manual
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Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9243913
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BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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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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Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
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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 .