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. 8513242-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Mini Cooper One R50 R53 Temperature Control Actuator Climate 6940719 0132801354
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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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VW Golf 5 Steering Angle Steering Wheel Column Control Module 1K0953549CA
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BMW 5 Series E61 LCI Light Control Module Unit Lear LM II E6X LWR 9180756
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
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BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191
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BMW E60 E61 E63 Control Unit Gateway Module ECU 6975686
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Skoda Octavia II Body Control Module Convenience Unit BCM ECU 1K0937087J
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Audi A8L 4H Onboard Comfort Control Module CCM Unit ECU 4H0907063CD
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BMW F10 F20 F30 Rear View Camera Wiring Loom Cable 9350995
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Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9202152
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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Ford Transit MK7 Air Module ECU Control Unit 6C1T14B056AE
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BMW X5 X6 E70 E71 Dashboard Navi Monitor Sat Nav System Screen 8,8" 9166782
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Ignition Harness BMW F10 F12 F07 GT Petrol N63 Engine Ignition Wiring 7614896
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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Schwarz 2 Black - 668
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Mercedes-Benz C E Class W202 W203 W210 Windscreen Rain Light Sensor A2108205710
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU
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BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846
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Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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Mercedes ML W163 Alternator Generator A0001502550
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
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Audi A4 B7 Radio Player Head Unit CD Stereo Concert 8E0057186DX
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Mercedes W166 Radio Sat Nav CD Multimedia Control Central Head Unit A1669005420
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BMW 1 F20 F21 LCI 116d B37 Engine Gearbox Module Wiring Cable Loom 8586574
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Mercedes C207 Door Module Rear Left N/S Control Unit ECU A2079003700
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Audi S8 D3 S6 C6 Alternator Water Cooled 190A 14V 5.2 FSI V10 079903021J
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BMW 5 F10 F11 Battery Cable Wiring Harnes Lead Positive Underfloor 9150990
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Body Control Module Mercedes W117 W176 W242 W246 Fuse Box Sam A2469008510
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Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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BMW 1 Series F20 F21 LCI 116d 116ed B37 Diesel Engine Starter Motor 8572918
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Part no. 7565300-13
BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
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Part no. 8574486
BMW 5 Series F10 F11 LCI B47 Engine Wiring Harness Cable Module Diesel 8574486
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Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708
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Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760E
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Part no. A6519009402-1
Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Part no. 7797661
Alternator BMW X3 E53 X5 E83 M57N2 Generator Diesel Power 150A 7797661
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Mercedes W205 W257 Starter Engine Motor A2649060400
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Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
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Seat Ateca Door Module Control Unit Front Passenger's Side Door 5Q4959592K
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Part no. 8518167-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8518167 Manual
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BMW X5 E53 E81 E87 E90 LCI Battery Mounting Bracket Bolt Holder
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Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N
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Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898
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Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
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Part no. 7634297
BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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Part no. 7809941-5
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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Audi Q7 4L 3.0 TDI CASA Automatic Gearbox Control Module Unit ECU 09D927750KC
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Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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Part no. 7600564
Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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Mercedes W166 Switch Rotary Selector Controller Navigation Radio A1669003501
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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BMW F10 F11 Radio Player Alpine Audio CD Champ 2 Head Unit 9272002
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
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Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803
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BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Part no. 4G0035193C
Audi A6 C7 CD Player Radio Stereo Head Unit MMI NAVI 4G0035193C
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Part no. A2059005351
Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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Part no. 7794624
BMW E46 320d Diesel M47N 150HP ECU Engine Control Unit DDE 7794624 Manual
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BMW 1 Series E82 E88 125i N52N 218HP ECU Kit DME 7594483 CAS3 + Key Automatic
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Part no. A2218704895
Mercedes W221 Door Module Rear Door Control ECU Unit Left N/S A2218704895
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Part no. 8475350-1
BMW F20 F21 LCI 116d Diesel B37 B37D15A 116HP Engine ECU DDE 8475350 Manual
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Part no. 8519663-8
Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8519663 Manual CAS3 + Key
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Ford Transit Mk8 2.0 Ecoblue Diesel Glow Plug Wiring Loom GK2T-6M091-AB
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Part no. a1699007900
Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900
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Part no. A1769009203
Mercedes R172 R231 Headlight LED Ballast Control Unit Module A1769009203
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Part no. 7599881-18
BMW E87 LCI E90 E91 118i 318i N43 143HP Engine Control ECU DME 7599881 Automatic
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BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Audi A7 4G8 3.0 TDI CZVA Adblue Control Module Unit ECU 4G0907355G
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. 7545789-9
MINI One 1.6 R50 R52 W10 90HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
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BMW F20 Radio Professional CD Player Control Module 9335351
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BMW X3 F25 X4 F26 B47 Diesel Engine Harness Wiring Loom Cable 8516262
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Suspension Module BMW F82 Rear Axle Dynamic Suspension Control Module 6895714
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BMW E90 E91 E92 1 Bracket CD Changer Holder Amplifier Mounting 6945072
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
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BMW F10 F11 F20 F21 F22 F30 F31 F32 Navigation Sat Nav Head Unit High 6819950
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Part no. 7588502-9
Mini Cooper R55 R56 N12 1.6 120HP Engine Control Unit ECU DME 7588502 Manual
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Part no. A6429002700
Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700
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Part no. 7524695
BMW Mini Cooper S R52 R53 Gearbox Basic Control Unit EGS 7524695
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Part no. 7550469-1
Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Part no. A4479009509-1
Mercedes W447 Comfort Control Unit Module A4479009509
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Part no. A2129008307
Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
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Part no. 7640132-3
BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Part no. A0061514601
Starter Motor Mercedes Sprinter W203 W204 W211 OM646 Diesel Engine A0061514601
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BMW 7 Series E65 E66 Sensor B-pillar Right Airbag O/S 6970892
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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 .