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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Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Audi A1 8X Fuse Box Control Module Relay Box 6C0907361D
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Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 + 2 Keys 7610011 Manual
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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BMW E39 Audio Amplifier Radio Sound System Hifi AMP Control Module 8362444
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Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
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Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902
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Volkswagen Golf Mk5 1K GTI 2.0 TFSI BWA 200HP Engine ECU 1K0907115F Manual
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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6394460446
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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BMW E63 Light Control Unit Module LCM LM II E6X LWR 9203081
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Mercedes W204 W207 Fuse Box Prefuse Box Module Relay Holder A2075402550
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Porsche Macan 95B Acceleration ESP Yaw Sensor Module Control Unit 95B907637E
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Volkswagen Scirocco Mk3 1.4 TSI CAVD Engine Control ECU Kit 03C906027G Automatic
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BMW 5 6 E60 LCI E63 Radio CHAMP Business CD Player System Controller 9192680
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Mini Cooper R57 R58 R59 Control Unit Module Bracket Holder PGS 2757722
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Mercedes SLK R171 Fuse Box Rear SAM Relay Control Unit Module A1715451901
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BMW X5 E70 X6 E71 X6 E72 Map Fuse Box Grouping Diagram Card 9177784
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Mercedes W204 Display Screen Multimedia Navigation Dashboard Unit A1729008600
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Part no. 8583423
Mini D R60 R61 ALL4 N47N 112HP Engine ECU Control Unit DDE 8583423 Manual
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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Part no. 9172364
BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Alternator Volkswagen Crafter 2.0 TDI Engine Alternator 120A Bosch 028903028E
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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BMW F11 ECU Body Control Module Junction Box 9252333
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BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic
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BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
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BMW F20 F21 F30 F31 LCI Gearbox Transmission Harness Wiring Loom Cable 8586569
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VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9352864
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Part no. A6519005301-12
Mercedes W212 E220CDI OM651.924 Engine ECU Kit Key Lock Ignition A6519005301
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Mercedes W207 Seat Adjustment Motor Front Seat Actuator Unit 0390203330
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Fuse Box Mini R55 R56 R58 1 Electrical System Distribution 9213372
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Part no. 8W0035502B
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502B
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Seat Ibiza 6J Starter Motor Petrol Engine Electrical Unit Actuator 02M911024R
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Part no. 7552176-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME 7552176 CAS2 + Key Manual
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270385
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Audi A4 B8 Parking Brake Control Module Unit ECU 8K0907801K
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BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
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BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
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Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
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Part no. 7599881-19
BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys
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Part no. 9159045
Mini R56 Head Unit CCC Navigation Navi Sat Nav Controller R55 R57 9159045
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Part no. 9166666
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9166666
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Part no. 7515029-2
Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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Mini R50 R52 Starter Motor Engine W10 0,9KW Bosch Actuator 1489994
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Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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Part no. 8W0035502C
Audi A4 B9 Wireless Charger Centre Console Phone Charging Module 8W0035502C
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Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
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Seat Leon Mk3 Headlight Module Left Right N/O/S Headlamp Ballast 7P5941591AD
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Part no. 9352130
BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Engine Wiring Mercedes Vito W447 OM651 Engine Harness Cable A4474404705
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BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
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Ford Transit Custom Mk8 Rear View Reversing Top Camera Unit KK3J-19J226-BA
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Part no. 80A971687H
Audi Q5 FY Rear Door Wiring Harness Loom Cable Left Right N/O/S 80A971687H
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Part no. 8689723
BMW F20 F21 LCI M140i B58 Petrol ECU Control Unit Module DDE 8689723 Automatic
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Part no. 8512043-3
BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Automatic
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Part no. AH2210300AB
Land Rover Range Sport L320 Diesel Engine Alternator Generator AH22-10300-AB
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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Part no. 5Q0907530L
Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Mercedes W212 Estate Roof Antenna Cover Shark Indium Grey Metallic A2128270228
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Part no. A0005400072
Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072
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Audi A5 8T Starter Motor 3.0 TDI CCWA Diesel 059911021D
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Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Part no. 3450543
Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A 14V A0009067500
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Mini Cooper R56 Footwell Light Module High EKS PL3 FRM3R 3457402
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084J
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Alternator Generator Mini R56 Petrol Engine Motor Bosch 150A 7553009 DRA0214
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Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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BMW X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 7809944 CAS3 + Key Automatic
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Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Manual
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BMW 5 Series E61 Body Gateway Module KGM LOW LEAR 9133144
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Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
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Part no. 7555361-3
BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Audi A5 8T Seat Cable Front Left Right N/O/S Wiring Loom Harness 8T0971365Q
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BMW E81 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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Skoda Fabia Mk2 5J Engine Alternator Generator Unit 14V 110A 06F903023D
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Air Bag Module BMW E65 E66 Control Unit ECU Gateway Airbag Lear 6960943
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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BMW 3 Series E90 320si 173HP DME 7560955 Petrol N45 ECU Kit CAS2 + Key Manual
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Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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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 .