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. 7811701-2
BMW 1 3 Series E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU
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Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
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MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109
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VW Golf Mk5 Steering Angle Steering Wheel Column Control Module ECU 1K0953549AE
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Audi A1 8X 1.4 TSI Engine Wiring Loom Harnes 03C971612BR
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BDC Module Mini Cooper F56 Body Domain Controller Unit Fuse Relay Module 8796101
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BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
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Part no. 7557395-8
MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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Audio Amplifier BMW F40 G05 G20 G30 Top Hifi Harman Kardon Control Unit 9832609
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Part no. 33243N
Ford Transit Custom 2.2 TDCi Diesel Starter Motor WaiGlobal 12V 33243N
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Part no. A0285454032
Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Mercedes W203 Steering Column Lock Control Unit Module A2034621130
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Part no. 81A955559A
Volkswagen Audi Skoda Windscreen Rain Sensor Control Unit 81A955559A
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Part no. 8518269-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
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Part no. 9255065
Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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Part no. 8517727-1
Mini Cooper SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
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Part no. 7607685-4
Mini R56 LCI One 55KW N16 75HP Petrol Engine ECU Kit DME 7607685 CAS3 + Keys
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Part no. 02E911024A
Audi A3 8V 2.0 TDI Engine Starter Motor Bosch 02E911024A
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Part no. A0009059906
Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906
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Part no. 9198760
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9198760
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BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631
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Part no. 3456952-3
Mini Cooper R58 Footwell Light Module Unit High EKS PL3 FRM3R Lear 3456952
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Part no. 6936996
BMW E65 Light Control Unit Headlight Module Lear LM E6X MAN. LWR 6936996
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Part no. 8574095-6
BMW F20 F30 116d 316d N47N 116HP Engine ECU Kit DDE 8574095 Key FEM Automatic
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Part no. 7P0959651
Porsche Cayenne 92A Front Pressure Crash Impact Sensor 7P0959651
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Part no. 8517015-1
BMW X5 E70 X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8517015 CAS3 Key Automatic
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Part no. A2098200789
Mercedes CLK A209 Convertible Antenna Amplifier Module A2098200789
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Part no. a1699007900
Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900
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Part no. 9196760
BMW E60 LCI E63 CHAMP Business System Controller CD Player 9196760
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Part no. 6C1T-10300-CC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Part no. 3455236
Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box H5 3455236
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Part no. 7811702-6
BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU DDE Manual 7811702
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Part no. 9159034
BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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Part no. 7553166
BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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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. 7002532
BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Part no. 7812500
BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Part no. 7634297
BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
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Part no. 7565300-4
BMW E87 E90 N46 120i 320i 150HP Engine Control ECU DME 7565300 Manual
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Part no. A1648204189
Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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Part no. 9196933
BMW E70 E71 Seat Control Unit Module ECU 9196933
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Part no. 6958039
BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
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Part no. 0165459232
Mercedes Sprinter W901 Central Lock Locking Control Unit Module A0165459232
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Part no. 8386207
BMW E39 Headlight Control Module LCM III LWR 8386207
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Part no. 9134708
BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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Part no. A1648701126
Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Part no. 9684613880
Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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Part no. 6989112-SCH
BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668
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Part no. A2049060105-2
Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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Part no. 6941589
BMW E60 Light Control Module Unit Lear LM E6X MAN.LWR Lear 6941589
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Part no. A6121533279-1
Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
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Part no. 9224598
BMW 3 Series E92 Max Brose Footwell Light Module Control Unit ECU FRM3R 9224598
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Part no. 6853992
BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
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Part no. 9207846
BMW X5 Series E70 Driver Side Front Right O/S Door Cable Harness Wiring 9207841
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Part no. 8506434-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS 3 Key 8506434
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Part no. 9663593480
Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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Part no. A2669001000
Mercedes-Benz W169 W245 Start Stop Starter Alternator Module ECU A2669001000
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Part no. 9387260
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9387260
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Part no. 7533270-2
BMW E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270
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Part no. 9251119
Distribution Box BMW F10 F11 Positive Battery Fuse Power Module B Rear 9251119
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Part no. 9207074
BMW X3 E83 Telematics Bluetooth Control Unit Module Computer 9207074
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Part no. 02M911024A
Volkswagen VW Golf VI Passat B6 Tiguan Starter Motor Diesel Engine 02M911024A
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Part no. A2219007301
Mercedes W221 Front Door Control Left N/S Module Unit ECU A2219007301
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Part no. 23710JD78E
Nissan Quashqai M9R Diesel Engine Control ECU Manual Gearbox 23710 JD78E
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Part no. FT1T14027LLC
Ford Transit Connect Rear Door Wiring Cable Harness Loom FT1T14027LLC
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Part no. 4H0959793AC
Porsche Macan S 95B-2 Front Door Control Module Unit Driver's Side 4H0959793AC
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Part no. 8K0971095G
Audi RS4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095G
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Part no. 8515754-1
BMW F10 F11 F12 F13 N57N Diesel Alternator 210A Valeo 8515754
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Part no. A2129009025
Mercedes W212 Fuse Box Front Relay Control Unit Module SAM A2129009025
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Part no. 03C906024CN
VW Polo 6R 1.4 CGGB 85HP Engine Control Unit ECU Kit 03C906024CN Manual
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Part no. 9225707
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 8X0035183
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183
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Part no. 98661819900
Porsche Boxster 986 Sunroof Control Relay Module 98661819900
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Part no. 9160186
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
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Part no. A2118701985
Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Part no. 8795005
Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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Part no. A6394405209
Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405209
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Part no. 03P971612
VW Volkswagen Polo 5 1.2 TDI Engine Wiring Harness Loom Cable 03P971612
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Part no. 9133329
BMW E39 E46 E81 E87 E90 Hands-Free Electronics Charging Module MULF 9133329
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Part no. 7545042-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU Kit DME 7545042 CAS2 Key Automatic
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Part no. A0009060803
Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803
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Part no. 9240351
BMW X5 F20 F21 F30 E70 LCI Trunk Lid Reversing Camera Rear 9240351
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Part no. 6958138-1
BMW Z4 E85 Positive Battery Clamp Fuse Box Cable Wiring 6958138
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Part no. 9193758
Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. A2669000200-2
Mercedes W169 A180 266.940 Engine Control ECU Kit A2669000200 Key Lock Automatic
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Part no. 9655296080
Citroen Dispatch Alternator Generator Valeo 90A 12V 9655296080
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Part no. 7811702-2
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Manual
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Part no. A2165402545
Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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Part no. 3456952-2
Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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Part no. 3452677
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Part no. 8S0035021B
Audi TT FV Navi SD GPS MMI Multimedia Head Unit Module 8S0035021B
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Part no. A1695420518-KB
Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
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Part no. A2129009004-1
Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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Part no. 03G906056S
Audi A3 8P 1.9 TDI BLS 105HP Engine Control Module Unit ECU 03G906056S Manual
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Part no. 9263803-2
BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803
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Part no. 7L6971095G
VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Part no. 6945661-1
Navigation Monitor Screen BMW E60 E90 On-board Information Display 6,5" 6945661
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Part no. A6395450301-2
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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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 .