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. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Mercedes SLK R172 Roadster Folding Vario Roof Control Module A1729008412
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Mercedes ML W164 W251 Fuse Box Relay Module Control Unit A1645403572
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BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
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SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605
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Volkswagen Polo 6R Engine Starter Motor Assembly Unit 0AM911023F
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Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
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Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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Audi Q3 8U PDC Assistance Parking Distance Control Module Unit ECU 8X0919475N
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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BMW F30 Display Central Information Screen 8,8" Navigation Professional 9252004
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BMW X5 X6 Series E70 E71 Navigation System Car Computer CIC 9222855
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269
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BMW E81 E87 E91 LCI Steering Column Switch Cluster Wiper Stalk 9123043
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Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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CD Changer BMW E60 E61 E63 E64 Compact 6-disc Magazine 6938975
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Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038705089
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Audi A5 F5 Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8W5035035C
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BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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BMW F20 F21 F30 F31 LCI G30 G31 G11 Navigation Head Unit Sat Nav High 2 8708259
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Mercedes W169 W245 B170 M266.940 116HP Engine Control Unit Set A2661539679
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BMW F20 F30 F32 120d 320d 420d N47N Engine ECU Kit DDE 8578946 FEM Key Manual
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BMW E87 E90 E91 Power Distribution Fuse Box Front 6906613
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BMW F10 F11 F20 F21 F30 F31 F32 Navigation DAB Head Unit High 9289614 9290361
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450
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Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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BMW F30 Control Module Sensor 9232063
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BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Part no. AH2211001AC
Land Rover Range Rover Sport L320 3.0 Diesel Engine Starter Motor AH2211001AC
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BMW 5 X5 Series E39 E53 Radio Business CD Player 6961218
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BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
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Telephone Control Module BMW F30 F32 F36 Telematics Bluetooth ATM ECE 4G 2622584
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BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key
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Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65124154935 4154935
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Audi A5 8T Display Screen Radio Multimedia Navigation Display 8T0919603G
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BMW X5 E53 Navigation System Sat Navi TV Video IBUS Module Unit 6968041
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BMW E91 NSW PL2 FRMII Lightning Control Unit Module (LCM) 9159811
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Part no. A1248205926
Mercedes W124 S124 Central Lock Control Unit Module A1248205926
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Part no. A0009063822-1
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. A2129006724-1
Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Part no. 8573258-2
BMW F20 F30 F31 118d 318d N47N 143HP Engine Control Unit ECU DDE 8573258 Manual
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BMW F10 Sound Audio Amplifier Control Unit Module 9320144
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BMW Mini Cooper R55 R56 RGB Cabel Radio Display LVDS Cabel CCC KKB 9114920
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BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7811702 Manual
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Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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Audi A3 8P TT 8J A4 B7 Ipod Interface Multimedia Storage Compartment 8E0857925B
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Audi A8 D4 Diesel Engine Fuel Pump Control Unit Module 12V 4H0906093G
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Part no. 6913092
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Part no. 6988086
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Alternator Mercedes Vito W447 Engine Generator 200A Valeo A0009068504
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Part no. 9330542
BMW G30 G31 Fuse Distribution Box Holder Control Unit Bracket Carrier 9330542
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Mercedes W202 W210 Front Left Door Control Module A2108207526
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Part no. 6G9210E887EE
Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
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Part no. 8515900-1
Engine Starter Motor BMW X5 E70 LCI F01 N57 Diesel Starter Actuator 8515900
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Part no. 1K0959433AR
Volkswagen TOURAN 1T Body Control Comfort Unit Module BCM Unit ECU 1K0959433AR
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Part no. N000000004039
Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
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Part no. 9317941-1
On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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Part no. 9261590
PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue
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Part no. 6921980-1
Door Module BMW E65 E66 Door Control Unit ECU TFT Rear Left N/S 6922263
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Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9240530
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Peugeot 207 1.6HDI Diesel Engine Control Unit ECU Module 9663786380
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Part no. 7823755
Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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Part no. 6943157
BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6943157
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Part no. A4479008006
Mercedes Vito W447 Door Module Front Right O/S Control Unit ECU A4479008006
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Seat Leon FR 5F Dashboard Multimedia DIsplay Sat Nav Screen 5F0919606
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Part no. 6933666
BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933666
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Mercedes ML W163 Stability Controller 4ESP Unit Module ECU A1635458032
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Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609
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BMW 1 3 X1 X3 E83 E84 E87 E90 E91 N45 N46 Petrol Enigne Starter Motor 1,1 kW
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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BMW X5 E60 E61 E65 E70 Front Left N/S Seat Height Adjustment Drive
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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BMW X5 E53 3.0d M57N Wiring Loom Harness Engine Automatic Gearbox
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Yaw Module Mercedes W221 ML W164 Rotation Rate Acceleration Sensor A0045423818
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
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BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Part no. 5J0035411C
Skoda Fabia 5J Front Door Bass Loudspeaker Left Right N/O/S 5J0035411C
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Part no. 9240532
BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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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 .