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. 9350332
Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Earth Ground Cable BMW F10 N47N Diesel Battery Cable Engine Wiring 8517616
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BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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BMW 3 Series E90 LCI ECU Body Control Module H3 Junction Box 61359253484 9253484
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Automatic
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Mercedes W205 W213 10Ah 170A Auxiliary Additional Generator Battery A0009829508
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Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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Mercedes W221 Night Vision System Camera Module Control Unit A2218705885
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BMW E87 LCI E90 118i 318i N43 Petrol ECU Engine Control Unit DME 7579142 Manual
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BMW 3 Series F80 M3 M Sport Rear Boot Lid Tailgate Spoiler Black Sapphire
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BMW 5 X5 Series E53 E60 E61 PDC Parking Ultrasonic Sensor Rear Black 6989068
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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Mini R57 R58 Front Left Door Module Wiring Loom Harness N/S 9157650
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Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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Audi A4 B8 Door Module Front Drive Side Control Unit ECU 8K0959793E
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Mini R57 LCI R59 Convertible Airbag ECU Control Unit Module 9809353
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Microphone Mercedes W447 W907 W910 Hands-free Interior Mic Unit A4478200035
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Seat Module BMW E60 E61 E65 E66 Front Control Unit ECU 6927313
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Engine Wiring BMW F20 F30 N47S1 EU5 Loom Module Harness Cable 8507915
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CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237
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BMW F01 F10 F12 Sat Nav Infotainment Radio Player Head Unit CIC 9257008
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Mini Cooper S R52 R53 W11 Engine Wiring Loom Harness 7541073 Automatic
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BMW X5 E70 Footwell ECU Light Control Unit Module Xenon FRM II Lear 9170453
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BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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Part no. 8571905-1
BMW 1 2 3 Series F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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Part no. 8519663-10
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual
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Part no. A1645403462
Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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Part no. 6913155
BMW 7 Series E65 E66 Rear Left Door Module Wiring Loom Harness N/S 6913155
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Part no. 6974020
BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC 6974020
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Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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Part no. 7606628
BMW F10 M5 F06 F12 F13 M6 S63N Engine Alternator Generator 14V 210A 7606628
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Part no. 5QF959655BQ
Audi Q2 GA Air Module Control Unit 5QF959655BQ
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Part no. 6936103
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6936103
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Part no. 9112463
BMW Z4 E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9112463
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Part no. 8379056
BMW 3 Series E36 Cable Harness Door Rear Right O/S Wiring Loom 8379056
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Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050
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Mercedes C207 Parking Sensor Wiring Loom Cable Harness Front PDC A2074400208
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Part no. 7834495
BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Part no. 05L911021
Audi A4 B9 A5 F5 2.0 Diesel Starter Motor Engine Valeo 05L911021 0001174006
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Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609
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Audi A6 C6 Electric Parking Hand Brake Module Control Unit ECU 4F0907801B
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Mini Cooper R50 W10 90HP Engine ECU Kit DME 7527610 + EWS + Key Automatic
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Part no. A2059004236
Mercedes W205 Harman Radio Stereo CD Player Audio Sat Head Unit A2059004236
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Part no. 8379375
BMW X5 Series E53 Loudspeaker Loud Speaker Tweeter Front 65138379375 8379375
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Engine Control Unit Peugeot Partner B9 Module ECU 9HN 1.6 Diesel 9807885980
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Part no. 6946989-1
BMW Mini Cooper R50 R53 6-Disc CD Changer Multichanger Without Magazine 6946989
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Part no. 9149025
BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Atlntikblau 9149025
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Part no. 8200584675A
Renault Scenic 1.5 DCi Diesel Starter Motor Actuator Valeo 8200584675A
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Part no. 8U0857273B
Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Part no. 5A4F856
Mini F54 F55 F56 F60 Navigation Media Radio Sat Nav Head Unit 5A4F856
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Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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Part no. 0AH911023A
VW Volkswagen Touran 1T 1.2 TFSI CBZB Starter Motor 0AH911023A
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Mini Cooper F55 F56 Dual Clutch Transmission Gearbox Control Unit Module 8486547
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Mini Cooper S R60 ALL4 N18 1.6 184HP Engine Control ECU Unit DME 7620985 Manual
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Part no. 9338298
BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
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Part no. A4479007706
Mercedes W447 Door Control Module Front Left N/S A4479007706
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Part no. 6960223
Airbag Module BMW E65 E66 Sensor Driver's Side Air Bag Control Unit 6960223
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Part no. A2119820402
Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
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Part no. A0009006616
Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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Part no. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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Part no. A2139052503
Mercedes W167 W177 W205 W213 Trunk Lid Opening Sensor Control Unit A2139052503
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Part no. 9227186-1
BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
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Part no. 6983312
BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Part no. 9335347-1
Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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Part no. 7789980-1
BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Part no. 3442133-2
Aerial Roof Antenna Mini R56 Base Unit Module R55 R57 3442133
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Part no. A1005831549-1
Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549
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Part no. 7544610
BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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Part no. 9213372-1
Fuse Box Mini R55 R56 R58 1 Electrical System Distribution 9213372
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Part no. 3452071-1
BMW Mini Cooper R55 R56 R57 CCC CD DVD Navigation Sat Nav Head Unit 9185540
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Part no. 9242501
BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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Part no. 7583225-4
BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
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Part no. 9138830
BMW E60 E61 E63 E64 LCi Fuse Box Power Distribution Rear 9138830
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Part no. 7595179-3
BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Part no. 6986077
BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
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BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Part no. 7545789-4
Mini R50 One 1.6i W10 90HP Engine ECU Kit DME + EWS3 + Key 7545789 Automatic
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BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
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Mini Cooper F54 F55 F56 ECU Body Domain Controller BDC Module Unit 5A402F3
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Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
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Part no. 9130764
BMW E65 E66 CD Audio System Controller Player 9130764
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Part no. 6941485
BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof
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Part no. 8P0862335H
Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H
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Part no. A2094400705
Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Part no. A2056200018
Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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Part no. A2711530691-1
Mercedes C209 200 Kompressor 271.940 163HP Engine ECU Kit A2711530691 Key Lock
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Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Part no. 9176070
BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Part no. 9147191
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191
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Part no. A2218708292
Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292
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Part no. A1405400282
Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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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 .