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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Mercedes W211 OM646 Battery Cable Starter Alternator Wiring Harness A2114406209
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Mercedes W169 W245 M266.920 95HP Engine Control ECU Kit A2661539779 Manual
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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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Mercedes SLK R171 Door Module Front Left Control Module A1718206926
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BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit Unit DME 7620985 CAS3 + Key Manual
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VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
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Negative Lead Battery Cable BMW G11 G30 G31 X3 G01 IBS Wiring Harness 6840519
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
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Audio Amplifier HiFi BMW E87 E90 Top Sound System Control Unit 9177752
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BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
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BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
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Mercedes W168 Battery Support Holder Front Mount Bracket A1686100336
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
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BMW E65 E66 Steering Wheel Electronics Control Unit Module ECU 6938106
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842
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Seat Ibiza 6J Central Body Comfort BCM Interface Module 6C0937089D
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Renault Trafic F83 F9Q 760 Engine Control Module ECU 8200546983 Manual
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BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018
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Mercedes W211 Rain Light Sensor Control Unit Wiring Loom Cable A2115409605
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101
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BMW Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456395
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Mercedes W177 W247 All Wheel Drive Control Unit Module ECU SG MFA2 A2479000910
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Renault Master II Trafic II 2.5 dCi Engine Starter Motor Elstock 8200634602
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VW Polo MK5 1.2 TDI CFWA Alternator Wiring Starter Motor Harness 6R0971349AH
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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Camera Module BMW F10 F20 F12 F87 Reversing Camera Rear View Control 6994555
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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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Alternator Volkswagen LT35 2.5 TDI Diesel Engine Alternator 90A Bosch 074903025K
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BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic
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Ford Transit Custom 2.0 EcoBlue 130HP FWD Engine ECU GK21-12A650-CA Manual
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BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
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Renault Trafic 3 Vauxhall Vivaro B Body Control Module ECU BCM T4 L4 284B18533R
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE Kit 7810980 Automatic
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Mercedes W205 Display Screen Instrument Cluster Speedo Meter A2059004842
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284
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Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
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Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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Mini F55 F56 F57 Integrated Supply Module Electrical Control Unit Module 8486997
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BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743
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Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G
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BMW E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
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BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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BMW E81 E90 LCI Business System Car Infotaiment CD Player Head Unit CIC 9226347
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Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
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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 .