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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BMW F30 F31 Lane Change Wiring Sensor Module Master Right O/S HC-2 6856283
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Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
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Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
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Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
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Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9172415
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BMW 5 Series E60 M57 1 Engine Starter Motor 7794952 0001115041
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Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
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Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
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Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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Door Module Mercedes W205 W213 C253 Control Unit Rear Right O/S A1679003718
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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BMW E60 E61 Front Right Door O/S Wiring Cables Harness 9175863
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Mercedes W204 SAM Module Control Unit Electrical Fuse Box Unit A2129003825
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Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
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Seat Control Unit BMW E60 E61 Module ECU 9148257
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Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990
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Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
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ESP Module Mercedes W210 Electronic Stability Program Control Unit A0275455632
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BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
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BMW 5 Series E60 520i M54 170HP ECU Kit DME 7533651 + CAS2 + Key Automatic
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Mercedes W212 Fuse Box Relay Module Control Unit A2129002627
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Porsche Cayenne 92A Front Pressure Crash Impact Sensor 7P0959651
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BMW Z4 E89 Radio CD Player Head Unit BMW Professional 9199389
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Mercedes-Benz C-Class W203 M111 C 180 C 200 K Engine Starter Motor A0051515301
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BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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Mercedes W246 Air Module Control Unit ECU Module A2469000709
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Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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Mercedes W164 W169 W211 W245 Disc CD Changer A2118706189
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Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
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Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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BMW F45 F46 Mini F55 F56 F57 Parking Assistant PDC Control Unit Module 6805061
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BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981
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Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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BMW E60 E61 E63 E65 Amplifier Stereo HiFi Harman/Becker 6920461
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME 7599881 CAS3 Key Manual
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BMW 3 Series E92 Footwell Light Control Module Max Brose Lear FRM3R PL2 9230445
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BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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BMW E60 E61 LCI 520d N47 Diesel Engine Control Unit ECU DDE 7812500 Manual
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BMW E81 E87 LCI E90 E91 118i 318i N43 143HP Engine ECU DME 7580279 Automatic
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Part no. 02Z911024H
Volkswagen Passat B7 Starter Motor Actuator TDI Diesel Engine 02Z911024H
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Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328
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Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426
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Peugeot Boxer 2.2 HDI Diesel Engine Wiring Cable Loom Harness BU3T-12B637-CCB
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BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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SAAB 9-3 1.9 TTiD ECU DDE Engine Control Unit Module 55568896
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Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
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Mini Cooper S R56 N14 1.6 174HP ECU Kit DME CAS 3 Key 7610009 Manual
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VW Volkswagen Golf Mk8 Online Services Module Control Unit ECU 5WA035284F
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BMW E81 E87 E90 Hands Free Electronics Charging Bluetooth Module MULF 6950089
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BMW E81E88 E90 E92 Speed Sensor Yaw Rotary Rate Sensor Adaptive Steering 6784961
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Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475L
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BMW F10 F11 Battery B+ Engine Compartment Terminal Point 9214243
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BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285
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Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
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Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203
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BMW 3 F30 LCI 330e Hybrid KLE Convenience Charging Control Unit ECU 8674691
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606
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Part no. 8510829
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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Part no. 2354701-1
BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Part no. 8516753
BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185
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Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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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 .