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. 7580279-8
BMW E87 LCI E90 120i 320i N43 143HP ECU Engine Control Unit DME 7580279 Manual
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Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Mercedes W204 W212 W251 Starter Motor 642872 Diesel Engine Starter A0061519801
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9257200
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Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
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BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109
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BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Seat Wiring BMW F20 F30 F31 F34 Passenger's Side Cable Loom Harness 9264625
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BMW E61 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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Mercedes R171 SLK 200K 163HP 271.944 Engine ECU Kit A2711535391 Keys Lock
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BMW F20 F21 F22 F30 F44 F45 F46 Fuel Pump ECU Module Control Unit 9494391
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BMW F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9387565
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BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
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Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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Telephone Control Module BMW F30 F32 F36 Telematics Bluetooth ATM ECE 4G 2622584
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021A
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Airbag Module BMW E65 E66 Sensor Driver's Side Air Bag Control Unit 6960223
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126939664 6939664
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Mercedes S204 Module Control Unit Trunk Lid Rear Tailgate Lift A2048702826
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VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
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BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME 8617050 CAS 3 + Key
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
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Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
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Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200
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Renault Clio Alternator Mount Bracket Holder Carrier 8200663057
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BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
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BMW E60 LCI 530d X5 E70 3.0d M57N2 Engine Control Unit ECU DDE 8509035
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AUDI Q5 8R Quattro 3.0 TDI Diesel CCWA CCWB Starter Motor 059911022
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549B
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU KIT DDE 7811700 CAS3 Keys Automatic
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Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
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BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8573258 Manual
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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BMW 5 Series E60 E61 CCC CD Professional Navigation Controller 6951856
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Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
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Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
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On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3453634
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Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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Part no. 8512047-1
BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Ford Transit Custom Power Stabilisation Voltage Control Module Unit GK2T14B526CE
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Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926
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Air Module BMW F20 F21 F30 F31 F32 F36 ECU ICM Plus SRS Control Unit 6868255
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BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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BMW E90 E91 LCI N47N 320d ECU Kit Basic DDE Control Unit 8512047 + CAS3 + Key
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Volkswagen Golf Mk7 Audi A3 8V Alternator 14V 140A 1.5 TSI 05E903026B
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Air Intake Duct Citroen Relay Peugeot Boxer Fiat Ducato Air Intake 1306522070
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VW Golf Audi A3 8P 2.0 TDI Diesel Engine Starter Motor 02M911024G
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BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic
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BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness F01 F12 9336380
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BMW E39 6-disc CD Changer without Magazine 6908948
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VW Volkswagen Tiguan 5N Bluetooth Interface Control Module ECU 3C8035730
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BMW E60 E61 525d M57N 177HP Engine Control Unit ECU DDE 7798422 Automatic
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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. 9214925-1
BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Part no. 04C903023T
Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Part no. 8603352
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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BMW F20 F21 F30 F31 F32 F34 LCI Starter Motor Bosch B48 Petrol 8621838
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Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115
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Part no. 6R0915345E
Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
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BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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BMW E60 E61 E63 E65 PDC Parking Control Module Unit ECU 6942677
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Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
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BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual
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Audi A3 8P Rear Bumper PDC Wiring Parking Sensor Loom Harness 8P3971085
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Peugeot 207 Negative Battery Terminal Cable Wiring Electrical Cable 9665205380
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BMW 3 X1 Series E91 LCI E84 Switch Cluster Cruise Control Stalk Unit 6989588
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Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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Mercedes CL203 W203 Battery Terminal Fuse Box Control Unit Module A2035450803
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Apec 0986024980
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Mercedes W212 Air Suspension Control Unit Module ECU A2129006514
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Part no. 8635624-3
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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Mercedes R171 W203 Petrol Engine 271921 Wiring Harnes Loom A2711505433
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Part no. 8715804
BMW GT G32 ECU Body Domain Controller BDC Comfort Unit Module 8715804
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Part no. 7792544-1
Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Part no. 8699955
Engine Control Unit BMW F20 F21 F22 118i 218i B38 136HP ECU DME 8699955 Manual
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Part no. 5F0919604A
Head Unit Seat Ibiza 6J Leon 5F Audio Radio Player Sat Nav Navigation 5F0919604A
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Part no. 7600076-2
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 + CAS3 + Key Manual
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Part no. 9321016-1
BMW F10 F11 LCI On-Board Screen Central Information Display 10,25" 9321016
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Part no. A1729015805
Mercedes SLK R172 Airbag Module SRS Control Unit ECU A1729015805
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Part no. 7555926-2
BMW E60 E81 E90 E91 Petrol Alternator Generator 180A 7555926
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Part no. 6956505-1
BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505
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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 .