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. 7616200
Battery Cable BMW E90 E91 E92 E93 Wiring Negative Minus Pole IBS 7616200
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766
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BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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BMW E60 E63 E64 On-board Navigation Monitor Display Screen 6,5"
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Mini Cooper One R50 R52 Petrol W10 Compact Alternator RTX 7515029
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Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
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BMW Z4 E85 2.2i 2.5i 3.0i M54 Wiring Loom Harness Engine Module 7532036
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
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BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
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Renault Master III Vauxhall Movano B 2.3 DCi Diesel Starter Motor 233003407R
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BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
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Switch Cluster BMW E82 E88 E90 LCi Cruise Control Stalk Unit 9110882
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BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Mini Cooper S R55 R56 Ignition Wiring Harness Injection Valve N14 7585950
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Part no. 6775949
BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949
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Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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Mercedes W203 Gearbox Transmission Control A0325451232
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Mercedes W166 W176 Navigation Screen Head Unit Sat Nav Display A1669007814
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Part no. 6948099
Mini Cooper One R50 R53 Adapter Lead Rear Window Wiper Motor 6948099
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Audi TT 8J 2.0 TFSI Petrol Fuel Injectors Wiring Harness 06F971082F
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Part no. 8506666
Mini Cooper D R60 ALL4 N47N Diesel Engine Control Unit ECU DDE 8506666 Manual
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Part no. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Part no. 9230451-1
BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Part no. 8K0959651
Audi A5 8T A4 B8 Crash Impact Sensor Control Unit 8K0959651
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Part no. 03G971826A
VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A
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Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Part no. A9065453001
Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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Part no. 3452678
Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3452678
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Part no. 8711938
BMW X1 F40 F48 Mini F54 F60 USB Bush Dual Double Socket Plug 8711938
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Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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Part no. 3455539-2
Mini Cooper R55 R56 R57 2 Radio Boost CD Audio Player Head Unit 3455539
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Part no. 8U0857273B
Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
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Part no. A9066880008
Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Part no. A6519005301-13
Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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Part no. 8579420
BMW F07 F10 F11 Alternator Generator 220A Valeo N47N Diesel Engine 8507625
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Part no. 9298958
Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
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Part no. 9310461
Radio Player BMW F20 F21 F22 F30 F31 CD Bluetooth Head Unit Control 9310461
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Part no. 6942505
Mini R50 Battery Cable Positive Plus Pole Wiring W17 Diesel 6942505
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Part no. A2038201585
Mercedes W203 Door Control Module Front Left N/S A2038201585
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BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
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BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Part no. 7578032
BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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BMW E88 Convertible Air Module Sensor ECU Control Unit Module 9171925
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Part no. 7PP941572AC
Audi A5 F5 Xenon Headlight Resistor Ballast Relay Module Unit 7PP941572AC
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Part no. 55353857
Starter Motor Vauxhall Astra Vectra Insignia 2.0 CDTI Diesel Engine 55353857
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Part no. 7613226-4
Mini R60 ALL4 N18 184HP Control Unit ECU DME Kit 7613226 + Key + CAS3, Manual
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Part no. A1695400762
Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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Part no. 9177199
BMW E81 E82 E87 E88 E89 E90 E91 E92 Radio Professional CD 9177199
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Part no. 9166711
BMW E90 Light Control Module ECU LCM NSW Footwell PL2FRMFA 9166711
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Part no. 3457389
Mini Cooper R56 LCI Footwell Light Module High EKS ECU FRM3R PL3 3457389
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Part no. AC1T10300BB
Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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Part no. 6917548
Mini R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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Part no. 6978271
BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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Part no. A1699000100
Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
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Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. A1718600105
Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
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Part no. 6990098
BMW X3 E83 LCi AMPLIFIER HIFI SYSTEM LEAR PL2 6990098 65126990098
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Part no. 8506666-1
Mini One R56 LCI 90HP N47N Diesel Engine ECU Kit DDE CAS 3 Key 8506666
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Part no. 6938943
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 6938943
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Part no. 9281517-1
BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
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Part no. 7557809-7
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Keys Manual
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Part no. 9218330
BMW E81 E87 E90 LCI E92 Navigation System Car Computer CIC 9218330
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Part no. A2465407932
Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
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Part no. 9187544
BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Part no. AC1112A650BC-1
Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
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Part no. 8355056
BMW 5 X5 Series E53 Fuel Tank Flap Actuator 8355056
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Part no. A4479001000
Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Part no. 7573029
Mini Cooper R55 R56 IBS Negative Battery Lead Cable
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Part no. 8510832-1
BMW E90 E91 LCI 318d Engine N47N 143HP ECU Kit DDE 8510832 CAS3 Key Automatic
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Part no. A2049013502
Mercedes W204 S204 Airbag Module Air Bag SRS Control Unit ECU A2049013502
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Part no. 9201128
Rollover Controller BMW E88 E93 Mini R57 Convertible Control Unit Module 9201128
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Part no. 9229878-1
BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878
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Part no. 6955004
BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Part no. 070911023C
Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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Part no. A1715451701
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
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Part no. 9832609
Audio Amplifier BMW F40 G05 G20 G30 Top Hifi Harman Kardon Control Unit 9832609
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Part no. A0009060401-1
Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
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Part no. 7457873
BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7457873
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Part no. 7580279-3
BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
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Part no. 6g9n-18c815-ta
Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Part no. 6917549
Mini Cooper R50 R52 R53 Rear Bumper PDC Ultrasonic Sensor Cosmos Black - 303
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Part no. 7557395-16
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Part no. 6977759-1
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6977759
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Part no. 7589971-10
BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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Part no. 6923954
BMW E39 E46 X5 E53 X3 E83 Z4 E85 E86 Mini R50 R53 Rain Light Sensor 6923954
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Part no. 9326010
Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Part no. 9812535
Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Part no. 9176877
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Part no. 7589971-13
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 CAS3 Key Automatic
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Part no. 3457413
Mini Cooper One R56 High PL3 SPEG H4 Relay Fuse Distribution Box 3457413
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Part no. 7810000-2
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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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 .