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. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
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Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
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Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
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PDC Wiring Mercedes ML W164 Front Bumper Parking Sensor Loom Cable A1645402305
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Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901
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BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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Audi A5 F5 Camera Control Module Unit ECU 4M0907428F
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Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P04727770AC Automatic
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BMW E60 E63 E64 Body Control Module ECU 61356947919 6947919
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Fiat Doblo 1.3 Diesel Multijet 90HP Engine Control Unit Module ECU 55246588
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Audi A5 8T A4 B8 8K 2.0 TFSI CDNC 211HP Engine ECU Kit 8K2907115P Key + Ignition
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BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
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Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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Mercedes W204 S204 Estate Rear SAM Control Unit Module A2049001202
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Audi A8L 4H Rear View Backup Camera Control Unit Module 4H0907441A
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BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
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BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069
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Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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BMW E87 Junction Box ECU Body Control Module Unit H2 PL2RR JBBFE IIIR 9253482
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Audi A3 8P Central Gateway Control Unit Module Relay ECU 1K0907530K
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BMW E70 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418
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Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 8200935115 Manual
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BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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BMW Z4 E85 2.5i M54 192HP Engine ECU Control Unit Module DME 7527072 Manual
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Ford Transit Mk7 Relay 5-Pin Black Unit FoMoCo 6G9T14B192DA
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Part no. A2215403862
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Mini Cooper R55 R56 Petrol N12 1.6 ECU Kit DME CAS3 + Key 7640004 Manual
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BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Mini R50 R52 R53 6-Disc CD Changer Multichanger with Magazine 6946989
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Audi TT FV Stereo Radio Sound System Speaker Amp Amplifier 8S0035465B
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780
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MINI Cooper R50 W10 116HP Engine ECU Kit Module DME 7553735 + Key + EWS Manual
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BMW 1 3 Series E81 E87 E90 E91 1 Radio BMW Business CD Player 9141682
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Porsche Macan 95B Body Gateway Module ECU Control Unit 95B907530L
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BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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Mini Cooper R56 Footwell Light Control Unit Module LOW ECU PL3 FRM II 3452093
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Part no. A1669007609
Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609
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BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Manual
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BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P
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Screen Ring Mini F56 F60 Navigation Display Head Unit Trim Cover 9354397
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BMW X3 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9289256
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Mini Cooper R59 Footwell Light Module AHL EKS ECU LEAR PL3 FRM3R 3457033
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Mercedes C216 W221 Display Screen Multifunction Navi Command A2218206389
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BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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Part no. CC1T-11000-AB
Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 9134662
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Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526
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Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Mercedes W167 W256 USB Charger Connecting Unit A1678201302
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Part no. A0028207989-1
Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Part no. 1T0909605E
Volkswagen Touran 1T Air Module Control Unit ECU Module 1T0909605E
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Seat Module BMW F10 F11 Front Left N/S Control Unit SM MF/M - HL 9248565
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Part no. 7636292
BMW F20 F30 116i 316i N13 136HP Engine ECU Module DME 7636292 Manual
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Part no. 6935667-2
BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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Mini F54 F55 F56 F60 Navigation Media Radio Sat Nav Head Unit 5A4F856
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Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9247386
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BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 Key Manual
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Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
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Air Intake Duct Peugeot 3008 Air Intake Channel Unit Duct 9683140380
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Mini Cooper S R53 Petrol W11 Engine Control Unit ECU DME Manual 7527610
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BMW E87 LCI E90 118d 318d Diesel N47 Diesel ECU KIT DDE 7811701 + CAS3 + Key
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Fiat Doblo Engine Wiring Loom Cable Harness 55230143
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BMW E87 ECU Junction Box Body Control Module Unit H2 PL2 JBBFE 6971960
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Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
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BMW F10 F11 Gateway Module ECU Control Unit LEAR ZGW-02 Mid Plus 9284422
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SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
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Audi TT 8J Audio Amplifier Radio Sound BOSE Unit 8J0035223D
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VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
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Audi A6 C6 3.0 TDI 240HP CDYA Quattro Engine ECU Kit 4F9910402A Ignition + Keys
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Part no. 9243645
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 9243645
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Part no. 7600020-11
Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Part no. 7508145
BMW 3 X5 Series E46 E53 M54 Automatic Gearbox Basic Control Unit EGS 7508145
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Part no. 9231321
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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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. 8P0907063N
Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063N
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BMW E91 Touring HiFi Amplifier Speaker System Control Unit Module 9143161
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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 .