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 E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
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BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
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Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
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BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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BMW E60 E87 LCI E90 E91 N47 Preheating Control Glow Plug Unit Diesel Hitachi
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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475AA
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BMW 1 Series E87 BODY CONTROL MODULE L2 61356968836 6968836
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Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT
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BMW E90 Body Control Module M Junction Box PL2RR JBBFE IIIR ECU 9364819
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BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
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Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181C
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BMW E87 LCI E90 N43 118i 318i Petrol ECU Kit 7595179 DME CAS3 + 2 Keys Automat
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Mini One R56 LCI R60 N16 98HP Engine Control Unit ECU DME 7619335 Manual
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Signal Control Module Mini R50 R52 Automatic Gearbox Transmission EGS 7578242
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BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
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BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Mercedes Vito W639 Steering Wheel Angle Sensor Ring Squib A6395420018
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BMW 1 2 Series F20 F21 F30 Brake Disc Protection Plate Front Right O/S 6873418
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Starter Motor Volkswagen VW Golf VI Passat B6 Tiguan Diesel Engine 02M911024
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Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
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Front Subwoofer BMW F90 M5 G11 G30 Central Right O/S Bass Speaker HiFi 6801076
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BMW F10 M5 F12 M6 Engine Wiring Harness Valvetronic Servomotor Cyl.1-4 7843335
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Skoda Octavia II Negative Battery Terminal Cable Wire Wiring 1K0971250
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Part no. 36100-2A550
Kia Sportage 3 1.7 Diesel Engine Starter Motor Denso 36100-2A550
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Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202
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Audi A8L 4H TV Tuner Digital Video Control Module 4G0919129C
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Vauxhall Opel Insignia A Diesel Glow Plug Wiring Loom Cable Wiring 55577669
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BMW X3 X5 E53 E60 E61 E65 E83 Power Steering Speed Sensor 6762235
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BMW X1 Series F48 Right Head Air Module Roof Curtain O/S 7352602
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Part no. 3456857
Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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Part no. A0019822708
Mercedes ML W166 C216 W221 Auxiliary Additional Generator Battery A0019822708
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Part no. 3450280
Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3450280
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Part no. L1TT14B006AA
Ford Transit Mk8 Fiesta Mk8 Crash Impact Sensor Air Module L1TT-14B006-AA
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Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030
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Part no. A2045453901
Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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Mini Cooper R50 R53 Rear Battery Hold Down Strap Retaining Bracket 6917738
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Renault Trafic II F83 1.9 DCI F9Q 760 Engine ECU Kit 8200204836 Key Lock Manual
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BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Mini Cooper One R56 High PL3 SPEG H4 Relay Fuse Distribution Box 3457413
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VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
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Part no. 5Q0959592K
Audi Q2 GA Door Module Control Unit Front Passenger Side 5Q0959592K
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Part no. A2079003700
Mercedes C207 Door Module Rear Left N/S Control Unit ECU A2079003700
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BMW X5 E70 Aerial Antenna Amplifier Diversity 9193847 9134281
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Battery Cable VW Polo 6R Audi A1 8X Starter Alternator Wiring 6C0971349MD
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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BMW E60 E61 E63 E64 PDC Parking Distance Sensor Diamond Metallic - A10 2180149
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Audi Q5 FY Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907064AP
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BMW 3 5 6 E60 E63 E90 Dashboard Onboard Monitor Display Screen 8.8
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BMW G30 Fuel Pump Module Control Unit ECU 5A25FC9
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Renault Master II Alternator Support Bracket Mount 117103703R
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045455401
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Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Seat Module Mercedes X164 Rear Third Row Seats Control Module A1648703726
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Part no. 7786861
BMW X5 E53 3.0d M57 Alternator Starter Cable Wiring Base B+ 7786861
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Part no. 7515030-3
Mini R52 R53 Petrol W11 Compact Alternator Generator 7515030
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Part no. 9354277
BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Part no. A0045428718
Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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Part no. 8512047-2
BMW 3 Series E90 E91 LCI N47N 320d ECU Basic DDE Control Unit 8512047 Manual
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Part no. 8E0971095R
Audi A4 B7 Front Bumper Wiring Loom Harness Cable 8E0971095R
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Part no. 069911023MX
Volkswagen LT 2.5 Touareg 3.0 TDI Diesel Engine Starter Motor 069911023MX
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Part no. 8P0919283D
Audi A3 8P PDC Parking Distance Control Sensor Module Unit ECU 8P0919283D
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Part no. 6940698
BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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Part no. 8X0907063AF
Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Renault Trafic II CD Radio Audio Player Stereo Head Unit 281150049RT
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BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Audi A8L 4H Front Door Control Module Left N/S Unit ECU 4H0959792G
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Mini Cooper R56 Footwell Light Control Unit Module LOW ECU PL3 FRM II 3452093
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Airbag Module Citroen Relay Fiat Ducato Air Bag Control Unit 01370978080
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Audi A4 B8 Body Control Comfort Unit Module BCM Convenience Unit 8K0907063AD
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Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Audi A8 4E S8 D3 Comfort Unit Control Module 4E0907289E
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118702626
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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Volkswagen Polo 5 6R 1.2 TSI CJZC 90HP ECU Engine Control 04E907309AF
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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BMW E38 Earth Cable Battery Engine Electrical Cable Wiring 1436907 1436908
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BMW X3 F25 Battery Cable 30dX 35dX Wiring Alternator Starter Cable B+ 8515491
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Mercedes W447 Fan Control Relay Control Module Unit A6229000400
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Ford Transit Connect MK1 Focus MK1 Engine Alternator Generator 2T1U-10300-CG
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Part no. 9273628-1
BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 3456986
Mini Countryman R60 Footwell Light Control Module LOW ECU PL3 FRM III 3456986
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Part no. 8E5035223D
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman Becker 8E5035223D
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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 .