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. 8513814
Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU KIT DDE CAS3 Key 8506375
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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BMW F45 F46 F48 ECU Body Domain Controller BDC Control Unit Module 5A402E6
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BMW F40 Telematics Control Module Unit TCU 5A872D1
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Mercedes-Benz S-Class W220 Door Control Module Left Rear N/S A2208216279
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Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
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Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
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BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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Volkswagen VW Golf V TDI Diesel Engine Starter Motor 022911023F
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Part no. 7801711-6
BMW E60 E87 E90 120d 320d 520d M47N2 ECU Engine Control Kit DDE 7801711 CAS2 Key
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Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
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BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676
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Part no. 5Q0959655BT
Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT
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Part no. 8519663-15
Mini Cooper D R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 Key CAS3 Manual
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Part no. 4E0035111A
Audi A6 C6 6-disc Compact CD Changer 4E0035111A
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Part no. 1T0971121AC
Volkswagen VW Touran Door Harness Loom Cable Wiring Front Driver 1T0971121AC
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Part no. 6969011
BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011
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Part no. 7T11-12A650-HE
Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual 7T11-12A650-HE
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Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F
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Part no. 6976988
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Mercedes C205 Control Body Comfort Module Unit ECU A2059007147
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Part no. 9230445
BMW 3 Series E90 Footwell Light Control Module Lear FRM3R PL2 9230445
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Part no. A6519009302-5
Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Part no. 7803372-3
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Part no. 8383154
Alarm Power Siren Horn BMW E36 E38 E39 E46 E53 E83 Alarm System Unit 8383152
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Part no. A6519062300-1
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300
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Part no. 9222861-1
BMW E87 E90 LCI CIC Sat Nav Screen Navigation Professional 9222861
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Part no. 4F0910223H
Audi A6 C6 Amplifier Audio Sound Control Unit Module Controller 4F0910223H
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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Part no. 7812502-1
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Part no. A0024463140-3
Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
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Part no. 9258173
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Part no. 6962887
Air Module Sensor BMW Z4 E85 E64 B-Pillar Left N/S Crash Module ECU 6962887
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Part no. A1569003303
Mercedes X156 GLE W166 Surround View Camera Control Unit Module A1569003303
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Part no. 7555361-1
BMW 3 5 Series E60 E61 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7555361 Manual
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Part no. A2118704726
Seat Module Mercedes W203 CLK W209 W211 Front Memory Control Unit A2118704726
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Part no. 8P0035192H
Audi A3 S3 8P Radio Media GPS Sat Audi Navigation Plus Unit 8P0035192H
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Part no. 7557395-2
Mini Cooper R50 1.6 W10 116HP Engine ECU Kit DME + EWS + Key 7557395 Manual
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Part no. A6461500977
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461500977 Manual
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Part no. 0263004204
PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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Part no. 1306522070
Air Intake Duct Citroen Relay Peugeot Boxer Fiat Ducato Air Intake 1306522070
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BMW 5 Series E60 E61 CCC CD Professional Navigation Controller 6951856
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Part no. 8583423-3
Mini R60 Cooper SD N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key Manual
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Part no. A2215403050
Mercedes W221 Rear SAM Fuse Box Power Distribution Control Unit A2215403050
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Part no. 1C0909605P
Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
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Part no. 5A0B302
BMW F20 F30 Mini F60 KAFAS 2 Camera Speed Control ECU Module Unit 5A0B302
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Part no. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. 7317512
BMW F10 Tailgate Module Rear Boot Trunk Lid Control Unit ECU 7317512
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Part no. 8K0906093D
Audi A5 8T 2.0 TFSI CDNC Fuel Pump Control Module Unit ECU 8K0906093D
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Part no. 9138430
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9138430
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Part no. 038906016AJ
VW Volkswagen Transporter T5 1.9 TDI Diesel Engine Control Unit ECU 038906016AJ
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Part no. A6461540002-1
Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Part no. 9289007
BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400
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Kompressor Mercedes W203 W211 M271 Petrol Engine Starter Motor A0051513901
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Part no. A1406934633
Mercedes C140 Battery Box Boot Storage Cover A1406934633
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Part no. 9266385
Central Information Display BMW F10 F11 On-Board Screen 10,25" 9247872
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Part no. 6912244
BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Part no. 7510738
Mini Cooper One R50 R52 R53 Ignition Coil Pack and Leads Set 2122435
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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. 7850609
BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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Part no. 6973036-1
BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 1 Cigarette Lighter Socket 6973036
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Part no. A2479005807
Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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Part no. 7169960
BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
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Part no. 240113809R
Engine Wiring Renault Trafic II Loom Harness Module 240113809R
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Part no. 985106142R
Renault Trafic 3 Vauxhall Vivaro B Airbag Module Air Bag Unit ECU 985106142R
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Part no. 8R0035223G
Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G
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Part no. 7607975
Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Part no. 6983536
BMW E60 Light Control Unit Module LCM LM E6X MAN. LWR Lear 6983536
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Part no. 03L903143K
Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K
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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. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. a2469004716
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Part no. 9800590280
Citroen C5 Negative Battery Terminal Cable Eatrh Cable Wiring Lead 9800590280
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Part no. 8588898
BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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Part no. A2215450001
Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
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Part no. 9291450
BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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Volkswagen New Beetle 1.4 TSI Petrol Engine Starter Motor 02Z911023E
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BMW F20 F21 F22 F87 Windscreen Camera Front Window KaFAS Camera 9278358
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Part no. 6910381
BMW 7 Series E65 E66 Dashboard Dash Sun Solar Sensor Speaker Cable 6910381
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Part no. 5Q0959655A
Audi A3 8V Air Module Control Unit SRS System ECU 5Q0959655A
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Part no. 9115107-1
BMW X5 Series E70 E70N LCI Wiring Set Wash Water Container Cable Loom 9115107
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Part no. A2721531291
Mercedes CL203 CLC 350 M272.960 272HP Engine Module ECU Kit A2721531291 2 Keys
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Part no. 7561834-1
BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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Part no. 9128183-2
BMW E91 Light Control Module ECU PL2 FRMFA Lear 61359128183 9128183
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Part no. A1718200726
Mercedes R171 SLK200 Module Front Door Left Control Module Unit A1718200726
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Part no. 7516809
BMW 3 Series E46 Valvetronic Valve VVT Control Unit Module ECU 7516809
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Part no. A6519007500-8
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Part no. 231008633R
Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
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Part no. 7501738
BMW X5 E53 3.0i M54 1,4KW Starter Motor 7501738
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Part no. 7599881-3
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Part no. A2218230050-1
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
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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 .