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. 8490093
BMW G01 G05 G20 G22 G30 G32 B57P Diesel Engine Starter Motor 8490093
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BMW Z4 Series E85 Battery Lead Positive Cable Plus Pole 6935667
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Mini R55 R56 Engine N14 1.6 174HP ECU Kit DME 7610081 CAS3 + Key Manual
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BMW F30 335i F32 F33 435i N55 306HP Engine Control ECU Kit 8639582 Automatic
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Renault Master III Opel Movano B 2.3 DCI CDTI Alternator Generator 231001822R
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Front Fuse Box Mercedes W204 C207 Relay Control Unit SAM Module A2129000206
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945146
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Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
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BMW E84 ECU Body Control Module Junction Box H2 9247472
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Volkswagen Tiguan 5N Golf Mk5 Alternator Generator Diesel Power 03L903024M
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Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
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Audi TT FV 8S 2.0 TFSI CHHC 230HP Quattro Engine ECU Kit 06K907425B BCM Key
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Alternator BMW X5 E53 Engine N62 Alternator Generator 14V 100/180A Valeo 7540993
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Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
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Mercedes W906 Distributor Box Battery Cable Unit A0035464240
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Part no. 8610635-2
BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic
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Peugeot 307 Fuse Box BSM Control Unit Module 9664055780
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Mini Cooper One R56 R57 LCI Amplifier Hifi Harman Kardon 9217877
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Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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Mini Cooper R60 Footwell Light Module High EKS SZT ECU FRM3R PL3 Lear 3457429
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BMW E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9150889
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Part no. 9224599
BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Part no. 7587465
IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
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Part no. 6856874
BMW F10 F11 F12 ECU ICM Control Unit Module 6856874
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Part no. A2535402400
Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400
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Part no. 077911023-1
Volkswagen Touareg 7L Engine Starter Motor 077911023
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Part no. 7422700
Smart Opener Module BMW F01 F07 F10 F30 Trunk Open Control Unit ECU 7422700
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Part no. 1436340
BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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Part no. 9496817
Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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Part no. A6519000601
Mercedes-Benz W906 313 CDI OM651 Diesel Engine Control Unit CRD ECU A6519000601
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Part no. 3455701
Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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Part no. 9240527-1
BMW E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9240527
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Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399
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Mini R55 R56 N12 1.4 Petrol Engine Control Unit ECU Kit DME 7640005+CAS3+Keys
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Mercedes Vito W447 Rain Light Sensor Windscreen Control Unit A4479052505
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Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
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Part no. 3456393-1
Mini Cooper R60 ECU Footwell Light Module Unit AHL EKS PL3 FRM3R Lear 3456393
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Audi A4 B8 2.0 TDI Diesel CAGA Engine Control Unit ECU Kit 03L906022MK Key
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BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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Volkswagen New Beetle Earth Ground Cable Negative Battery Lead Wiring 1C0971235A
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Part no. 02Z911021C
Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
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Part no. 7530357
BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Part no. 8516739-4
Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Part no. 8T0035462
Audi A5 8T MMI Multimedia Interface Unit Module Control ECU 8T0035462
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Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp A6394401613
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Mercedes W202 W210 Automatic Gearbox EGS Control Unit Module ECU A0275450132
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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318
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BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
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Mercedes W212 OM651.924 E220CDI 170HP Engine Control Unit Module ECU A6519003701
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Part no. 4H0971224
Audi A8 D4 Battery Starter Alternator Harness Wiring Cable 4H0971224
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Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
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Part no. 6860387
Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Mini F57 Cabrio Control Unit Module Bracket Holder Parking Assistant PDC 9342085
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Part no. 3455528
Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Mercedes W213 Parking Control Unit Camera View Module ECU Parktronic A0009006418
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Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901
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Part no. A0131540602
Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Part no. 8507202-1
BMW E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Manual
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Part no. 8506281-1
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
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Part no. 3C8937049D
VW Volkswagen Touran Body Control Comfort Unit Module BCM 3C8937049D
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Part no. 8506373-3
BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 8506373 Automatic
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Part no. A6401540402
Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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Part no. 7552105
Mini Cooper One R55 R56 R58 Petrol Engine Starter Motor N12 7540897
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Part no. 8511372-1
BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic
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Part no. 6927264
BMW E60 E61 E65 E66 Seat Control Unit Module ECU Sensor 6927264
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Part no. 6C1T-10300-CC-1
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Part no. 3C0953549A
VW Passat B6 Steering Wheel Steering Column Control Module 3C0953549A
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Part no. 1T0971557AJ
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
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Part no. 8T2035666D
Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D
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Part no. A2711540802
Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Part no. 4L0910553H
Audi Q7 4L Air Suspension Module Regulation Control Unit 4L0910553H
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Part no. FT1T14027LLC
Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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Audi A7 4G Fuse Box Relay Control Unit Module 4G0907355F
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BMW E87 E90 N45 116i 316i 1.6 Petrol Engine ECU DME 7557809 Manual Transmission
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Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L
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Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806
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Fuse Box Mercedes GLC X253 Engine Compartment Relay Box Unit A2229063805
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Part no. 7515030-2
Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030
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Mercedes S205 Estate W213 W222 Towing Hitch Trailer Hook Module Unit A2139009216
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Part no. 9187541-1
BMW E88 ECU Body Control Module H3 PL2 JBBFE II Junction Box 9187541
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Part no. 9127086
BMW E39 E46 E53 E83 Control Unit EWS IV 9127086
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Part no. 6976964
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Unit 6976963
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Part no. A2218702292
Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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Part no. A2479008715
Mercedes H243 Multifunction Front Camera Control Unit Module A2479008715
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Part no. A1779002107
Door Module Mercedes CLA C118 W177 Front Door Right O/S Control Unit A1779002107
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Part no. 9166708-1
BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 7560955-2
BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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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 .