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. 7799470-1
Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470
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Part no. 6906598
Mini Cooper One R50 R52 R53 JCW Fuse Relay Electrical Box Housing 6906598
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Part no. 7952885-1
BMW F22 F30 218i 318i B38 136HP Engine Control Unit ECU DME 7952885 Manual
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Part no. 8377049
BMW 3 5 7 X5 E38 E39 E46 E53 6-disc CD Changer Without Magazine 8377049
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BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
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Part no. A2219000100
Mercedes W221 Digital Audio DAB Receiver Control Unit Module A2219000100
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Part no. 6964602
BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6964602
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Part no. 8678960
Mini Cooper S F55 F56 F57 F60 Valvetronic Wiring Cable Loom Harness 8678960
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Part no. 6990098
BMW X3 E83 LCi AMPLIFIER HIFI SYSTEM LEAR PL2 6990098 65126990098
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Part no. 6825520
BMW F45 F46 Body Domain Controller BDC Control Unit Module LR01 ECU 6825520
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Part no. 6827064-2
BMW E92 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 9291776
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9291776
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Part no. A6429060900
Mercedes W204 W207 W212 W221 Starter Motor A6429060900
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Part no. PLATINUM-AGM-80AH
Platinum Start Stop Plus AGM Accumulator Battery 80Ah 800A 12V AGM115
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Part no. A2114409906
Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906
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Part no. 7604799
BMW AGM Exide Car Battery 12V 60Ah 660A 7604799
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Part no. A2179000900
Mercedes A205 Rear Fuel Pump Control Module ECU A2179000900
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Part no. 1025-03-1
BMW F32 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Part no. 7837411
BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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Part no. 7555361-6
BMW E60 E61 525i Petrol N52 218HP ECU Engine Kit DME 7555361 CAS2 + Key Manual
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Part no. A2741501802
Mercedes W213 Engine Wiring Harness Cable Loom A2741501802
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Part no. Varta Rac 70Ah Accumulator
VARTA RAC Accumulator Battery AGM 70Ah 760A 12V RAC011
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Part no. 3AA959433E
VW Volkswagen Passat B7 Convenience Body Control Module Unit ECU 3AA959433E
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Part no. 8589141-8
BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8589141 CAS4 + Key Manual
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Part no. 9224592-2
BMW E92 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
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Part no. 7604782
Mini R55 R56 LCI R60 Alternator Generator Bosch 150A Petrol 7604782
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Part no. 7605076
BMW F06 F10 F11 F12 F13 Wiring Harness Cable Engine Ignition Module N55 7605076
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Part no. A2135400329
Mercedes X253 Electrical Wiring Harness Cable Hybrid A2135400329
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Part no. 5WA035284B
VW Volkswagen Tiguan Mk2 Online Connect Bluetooth Control Unit 5WA035284B
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Part no. A2478207502
Mercedes C118 W177 W243 W247 Centre Console Dual USB-C Socket Ports A2478207502
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Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
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Part no. 7520019-7
MINI Cooper R50 1.6i W10 116HP Engine ECU Kit DME 7520019 + EWS + Key Automatic
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Part no. A0051516601
Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Part no. 265A60118R
Renault Trafic 2 Rear Left N/S Lamp Light Frame Trim Cover Primed 265A60118R
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Part no. W220 Wiring Loom Set PDC Rear
Mercedes-Benz S-Class W220 Cable Loom Wiring Parking Sensors Rear Bumper
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Part no. 7700353184
Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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Part no. 038906019NN-1
Volkswagen VW New Beetle 1.9 TDI BSW Engine Unit ECU Kit 038906019NN Key Manual
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Part no. 8578818
Fuse Box Cover BMW G30 G31 G11 G15 Holder Bracket Mount Housing Trim 8578818
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Part no. 8610484-2
BMW F20 F21 116i N13 136HP Basic Engine Control Unit ECU DME 8610484 Manual
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Part no. 8U0959107A
Audi Q3 8U Tailgate Lift Boot Lid Control Unit Module Trunk 8U0959107A
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Part no. 9897879-5
Mini Cooper F55 F56 F60 B38C 1.5 136HP Engine Module ECU DME 9897879 Automatic
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Part no. 7506793
BMW 3 Series E46 M54 Engine Gearbox Module Wiring Cable Loom Harness 7506793
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Part no. A0305454932
Mercedes-Benz E W210 Estate CDI Gearbox Control Module Unit ECU A0305454932
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Part no. 1K0937125D-1
Audi A3 8P Volkswagen Touran Mk1 Skoda Yeti Engine Fuse Box 2.0 TDI 1K0937125D
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Part no. 7561684-4
BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + 2 Keys Automat
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Part no. 8474730-3
BMW F20 F21 F30 F31 LCI 118d 318d B47 150HP Engine ECU DDE 8474730 Automatic
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Part no. 9252156
BMW F12 Convertible Folding Top Roof ECU Module Control Unit CVM 9252156
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Part no. 7556340-1
BMW X5 E53 4.4i N62 Engine Control Unit ECU Kit 7556340 EWS Key Automatic
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Part no. A2469001106
Display Screen Mercedes W176 W246 Radio Navigation Sat Nav Head Unit A2469001106
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Part no. A2469005612
Fuse Box Mercedes W176 Front Fuse Relay Box Sam Control Module N10 A2469005612
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Part no. 7802929
BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator VALEO 170A 7802929
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Part no. 3455436-1
Mini Cooper One R55 R55N LCI High PL SPEG H4 Fuse Distribution Box 3455436
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Part no. 1K0035186AD
VW Volkswagen Golf 5 Radio CD Player Stereo Head Unit 1K0035186AD
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Part no. 9119445
BMW E81 E87 E90 E91 Power Distribution Fuse Box Front 9119445
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Part no. 8509034
BMW E90 E91 325d E60 E61 LCI 525d M57N2 197HP ECU Module DDE 8509034 Automatic
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Part no. 7600020-4
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600020 CAS3 Key Manual
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Part no. 6938109
BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109
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Part no. 6913150
BMW 7 Series E65 Door wiring harness mod. carrier rear right O/S
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Part no. A2219005404
Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404
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Part no. 7641652-1
Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652
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Part no. 8N8962267C
Audi TT 8N Body Comfort Convenience Module Unit CCM ECU 8N8962267C
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Part no. 6874746
BMW F45 F46 I01 Mini F55 F56 Parking Assistant PDC Control Unit Module 6874746
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Part no. 7640755
BMW 1 3 Series F20 F21 F30 F31 N13 116i 316i 136HP ECU Kit DME 7640755 Manual
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Part no. A6519007500-10
Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6519007500 Key
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Part no. 6934413
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Part no. 9119495
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9119495
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Part no. A6421508900-4
Mercedes W166 ML350 CDI BlueTec OM642.826 Engine Control Unit ECU A6421508900
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Part no. 8512411
BMW X5 E70 LCI 40dX N57S 306HP Engine Control Unit ECU DDE 8512411 Automatic
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Part no. KD45-675X0-C
Mazda Mk6 Front Body Control Module Unit BCM ECU KD45-675X0-C
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Part no. 7600020-2
Mini One R56 N12 1.4 95HP Engine Module ECU Kit DME + CAS 3 + Key 7600020 Manual
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Part no. 9197161-2
BMW E92 Light Control Unit ECU Footwell Light Module PL2 FRM II Lear 9197161
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Part no. A0005810654
Mercedes W203 W639 C209 Fuse Remover Tool Distribution Box A0005810654
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Part no. 7807828-1
BMW E87 LCI E90 118d 318d N47 Diesel ECU DDE CAS3 Key 7807828 Automatic Gearbox
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Part no. lhd-A2215400224
Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224
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Part no. 7545789-5
MINI Cooper R50 W10 116HP Engine ECU Kit DME + EWS + Key 7545789 Manual Gearbox
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Part no. 7557395-17
Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 + EWS + Key
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Part no. 9343686
Control Unit BMW F01 F07 F10 F11 F25 Air Module ECU Unit Continental 9343686
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Part no. A6079002300-2
Mercedes W176 180 CDI OM607.951 Blue Efficiency ECU Kit A6079002300 Key Lock
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Part no. A0051511301-2
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Part no. 03G906021MP
VW Volkswagen Touran TDI Diesel Engine Control Unit ECU 03G906021MP
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Part no. 8K0959795
Audi A4 B8 Rear Door Module Left N/S Control Unit Module ECU 8K0959795
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Part no. 6920449
BMW 5 7 Series E60 E61 E65 E66 Front Seat Control Module Unit Ecu 6920449
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Part no. 7N0907530C
VW Volkswagen Golf 6 Gateway Control Unit Module ECU 7N0907530C
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Part no. A2049005205
Mercedes W204 Dashboard Stereo Display Screen Sat Nav Multimedia A2049005205
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Part no. RHD-8W2919604A
Audi A4 B9 Central Information Display Screen CIC Navigation 8W2919604A
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Part no. A1729060205
Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
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Part no. rhd-55559512
Vauxhall Zafira B 1.7 CDTI Diesel Battery Cable Wiring Harness Loom 55559512
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Part no. 3442133-1
BMW Mini Cooper One R55 R56 R57 1 Aerial Roof Antenna Base Unit 3442133
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Part no. 8679666
BMW F30 LCI 330e B48X Hybrid High Voltage Inverter Converter 8679666
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Part no. 06H911021
Audi A4 B8 2.0 TFSI Petrol Engine Starter Motor 06H911021
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Part no. 8K0907063B
Audi A5 8T A4 B8 8K BCM Body Control Unit Module Power Supply 8K0907063B
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Part no. 1440006
BMW 3 E46 Petrol M52 M54 Engine Ignition Wiring Loom Harness Cables 1440006
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Part no. A2218207389
Mercedes W221 Seat Headrest Display Monitor Rear Entertainment Unit A2218207389
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Part no. 7621178-10
BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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Part no. 9807028680
Citroen Dispatch Front Fuse Box BSM Control Unit Module 9807028680
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Part no. A6519005301-8
Mercedes W204 C220CDI BlueEFFICIENCY 170HP 651.911 Engine ECU A6519005301 Manual
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Part no. 4G0035193C
Audi A6 C7 CD Player Radio Stereo Head Unit MMI NAVI 4G0035193C
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Part no. 9809842880
Display Screen Citroen Dispatch Dashboard On Board Dash Monitor 9809842880
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Part no. 9812373180
Citroen C3 C4 Microphone Hands Free System Interior Mic Unit 9812373180
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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 .