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. 6909104
BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 3.0i 4.4i SUV
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Part no. 8608033
BMW i3 I01 Rex Hybrid Rear Bumper Diffuser Electric Fan Motor Unit 8608033
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Part no. A2045458132-1
Mercedes W204 W207 W212 Steering Lock Module Control Unit A2045458132
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BMW 1 3 5 Series E60 E87 E90 E91 120d 320d M47N2 ECU Kit DDE 7797217 CAS2 + Key
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BMW 5 Series E60 E61 LCI Seat Control Unit Backrest Adjustment 6938906
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Part no. 9116260
BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Part no. 4H4907357C
Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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Part no. 8K0919475B
Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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Part no. A0005454316
Mercedes-Benz C W204 CDI Automatic Gearbox Control Module Unit ECU A0005454316
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Part no. 6944844
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Part no. DRIVETEC-72AH
DriveTec Heavy Duty 12V Accumulator Battery 72Ah 650A DM096
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Part no. 05064191AE
Chrysler 300C CD Player Radio Audio Navigation Head Unit 05064191AE
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Part no. 9393192
BMW F30 F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393192
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Part no. A1645450201
Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Part no. 7588502-6
Mini One R55 R56 Petrol N12 95HP Engine Control Unit ECU DME 7588502 Automatic
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Part no. 9243667
BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667
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Part no. 7533651-9
BMW E60 520i Petrol M54 170HP Engine ECU Control Module DME 7533651 Automatic
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Part no. 8709210-1
Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
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Part no. 3455896-1
Mini R57 Convertible ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Part no. A2045401706
Mercedes W204 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2045401706
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Part no. 8512407-1
BMW X5 E70 LCI X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Keys
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Part no. 7648190-2
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Keys 7648190 Automatic
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Part no. 6915709
BMW 3 Series E46 Radio Business Cassette Player 6915709
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Part no. 6953773-1
BMW E60 E61 CCC CD Professional Navigation Controller 6953773 SPARES OR REPAIR
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Part no. YUASA YBX 3000 76Ah Accumulator-1
YUASA YBX 3000 12V Accumulator Battery 76Ah 680A YBX3086
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Part no. 9666967777
Citroen C4 CD Player Radio Audio Head Unit 9666967777
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Part no. A2129003922-1
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
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Part no. 5A4B459
BMW G20 Roof Antenna Telematic GPS Module Control Unit ECU 5A4B459
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Part no. 9137725-1
BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Part no. 9348761
BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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Part no. 7800131-3
BMW X5 E53 3.0d M57N 218HP ECU Engine Unit Kit DDE 7800131 EWS3 + Key Automatic
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Part no. 8R2035666L
Audi A5 8T Harman Multimedia Sat Navi Radio CD Player Head Unit 8R2035666L
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Part no. 5A5E6B5
Mini Cooper F54 Body Control Comfort Unit Module BCM Unit ECU 5A5E6B5
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Part no. 8W83-2C496-AB
JAGUAR XF250 Electronic Parking Brake Module Handbrake Control 8W83-2C496-AB
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Part no. 8686893
BMW 3 5 7 F30 LCI G11 G30 Hybrid High Voltage Battery Safety Box 7,6 kWh PHEV
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Part no. 7L6937049AF
Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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Part no. 6964597
BMW 1 Series E87 ECU Body Control Module Unit PL2 JBBFE L2 6964597 61356964597
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Part no. 8715339-2
Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Part no. 9283433-2
BMW Z4 E89 Head Unit Stereo Professional Navigation System Computer CIC 9214939
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Part no. rhd-A1718201635
Mercedes SLK R171 Microphone Hands Free System Interior Mic Unit A1718201635
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Part no. A0009823108
Mercedes 12V Accumulator Battery 74Ah 680A A0009823108
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Part no. A2118210097
Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Part no. 9193748-1
BMW E60 E63 On-board Navigation Display Monitor Dashboard Screen 6,5" 9193748
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Part no. 8489450-2
BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Keys
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Part no. A2115453101
Mercedes W211 Fuse Box Control Unit SAM Module Relay A2115453101
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Part no. 9280616
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9280616
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Part no. A2059067904
Mercedes W205 DRL Ballast Headlight Control Unit Right O/S Module A2059067904
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Part no. 8V3971030
Audi A3 S3 8V 3D Door Wiring Harness Loom Cable Passenger Side 8V3971030
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Part no. rhd-9246213
Head-Up Display BMW F10 F11 Hud Project Dash Screen Control Unit Module 9246213
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Part no. 7164820-2
BMW E88 E93 Convertible Rollover Bar Protection System Sensor Unit Module 800137
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Part no. VARTA Silver Dynamic 100Ah Accumulator
VARTA Silver Dynamic Accumulator Battery 100Ah 830A 12V H3
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Part no. 9152325
BMW E93 Convertible Cabrio Rear Bumper TV Aaerial 9152325
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Part no. rhd-9188745
BMW X5 X6 Series E70 E71 Cable Loom Wiring Set Seat Passenger's Side 9188745
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Part no. A0495453128
Steering Lock Cable Mercedes W169 W204 Connector Plug Wiring Loom A0495453128
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Part no. 9387450
Display Screen BMW F45 F46 Central Information Navigation Monitor 8,8" 9387450
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Part no. 7805098
BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
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Part no. 8C1T14A073BD
Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-BD
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Part no. Platinium AGM 80Ah Accumulator
Platinium Start Stop Plus AGM Accumulator Battery 80Ah 800A 12V AGM115
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Part no. 7795021
BMW E60 E61 E63 LCI Earth Cable Electrical Battery Wiring 7789757
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Part no. rhd-3414376-2
BMW X3 E83 Diesel 2.0d 3.0d Instrument Cluster Speedo MPH Clocks Manual 3414376
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Part no. 7621178-7
BMW E81 E87 LCI E90 N43 120i 320i 170HP ECU Kit DME 7621178 CAS3 Key Automatic
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Part no. 9116260-1
BMW E60 Light Control Module Unit Lear LM F6X Lear 9116260
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Part no. 04L907445G
Audi Q2 GA 1.6 TDI DGTE 115 HP Engine Control Unit ECU 04L907445G Automatic
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Part no. 6956166
Mini Cooper One R50 R53 Loudspeaker Rear 65136956166 6956166
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Part no. 9324776
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9324776
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Part no. 7561834-15
BMW E87 E90 E91 118i 318i N46 129HP ECU Unit KIT DME CAS2 Key 7561834 Automatic
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Part no. 7363090
Xenon Adaptive Headlight Module BMW F22 F23 Control Unit Driver Module 7363090
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Part no. 9267200
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9267200
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Part no. 9380352
LIM Module BMW i3 I01 Hybrid Electric 60Ah 94Ah 120Ah Control Unit 9380352
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Part no. 9314635
BMW Mini Cooper F54 F55 F56 F60 HSD Line HU - CID 9314635
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Part no. 7805286-1
BMW E92 E93 Diesel 330d M57N2 231HP ECU Kit DDE 7805286 + CAS3 + Key Automatic
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Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. 6948983
BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Part no. A1718205626
Mercedes SLK R171 Airbag Module Air Bag SRS Control Unit ECU A1718205626
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Part no. 7823934-4
Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Manual
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Part no. 6970890
BMW 7 Series E65 E66 E67 Sensor B-pillar Left Airbag N/S 6970890
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Part no. 3414876-1
BMW X3 Series 1 E83 2.5i 3.0i M54 Battery Positive Power Cable Terminal 3414876
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Part no. 9344677
BMW 2 3 Series F22 F80 M3 F82 M4 Wiring Loom Harness Rear Trunk Lid 9344677
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Part no. A2048709558-2
Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Part no. 6941690
Autoradio BMW E46 E53 BMW Radio Professional TMC Becker BM 54 6941690
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Part no. 8U0907115K
Audi Q3 8U 2.0 TFSI Quattro CCZC 170HP Engine Control ECU 8U0907115K Automatic
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Part no. A6549007900
Mercedes W177 A 220d 654.920 654920 190HP Engine ECU Unit A6549007900 Automatic
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Part no. A6421508100-2
Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock
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Part no. 3452681-3
Mini R55 R56 R57 Radio Boost CD Player Head Unit Control Unit Module 3452681
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Part no. 8734160
Fuse Box BMW G20 G30 Power Distribution Control Unit Box Rear 8734160
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Part no. A1669068201
Fuse Box Mercedes GLE W166 C292 W463 Relay Control Unit Module A1669068201
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Part no. A1698207126
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Part no. 9283247-1
BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Part no. 7809941-4
BMW 3 5 Series E60 LCI E90 325d 525d M57N2 197HP ECU Kit DDE 7809941 CAS3 + Key
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Part no. 9302605
Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver Metallic B93
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Part no. 9386604
BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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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. 1K0959772
Volkswagen VW Touran 1T Seat Heating Control Unit Module ECU 1K0959772
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Part no. 9205518
BMW 3 Series E90 E91 LCI Positive Battery Lead Distribution Box Cable 9205518
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Part no. 7639049-2
Mini Cooper S ALL4 R60 N18 Engine Unit ECU Kit DME 7639049 CAS 3 Key Manual
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Part no. A2049062102-1
Mercedes W246 W205 W176 Engine Cooling Radiator Fan Control Unit Module
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Part no. rhd-7548984
BMW 1 3 Series E87 E90 120i 320i N46 Engine Wiring Loom Harness 7548984
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Part no. 9230450-2
BMW E93 LCI Footwell Light Control Unit Module Lear FRM3R PL2 9230450
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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 .