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. 9246503
Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6944107
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BMW F06 F12 F13 640d N57Z 313HP Engine Module Unit ECU DDE 8573557 Automatic
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Mercedes C118 W177 Fuse Relay Box Housing Upper Cover Lid A2475459300
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Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
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Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
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Volkswagen Transporter T5 Parking Aid Control Module Unit 7E0919475
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Part no. A2229000016
Entry Module Mercedes C253 W205 W213 C238 Keyless Go Control Unit A2229000016
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Part no. A1718204726
Mercedes R171 SRS Air Module Control Unit ECU A1718204726
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Part no. A6549001400
Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic
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Part no. 9117847
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
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Part no. 045906019BM
Skoda Fabia MK1 1.4 TDI AMF 75HP Engine Control Unit ECU 045906019BM Manual
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Part no. 5A55AD9
DAB Receiver Module BMW F40 G20 G30 DAB Audio Module Harman Becker 5A55AD9
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Part no. 6936310
BMW 3 Series E46 Convertible Wiring Passenger Side Door Cable Harness 6936309
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Part no. 9263468
BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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Part no. A2479002312
Mercedes V177 Instrument Cluster Speedometer Module Control Unit ECU A2479002312
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Part no. 9329953
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9329953
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Part no. A2319003606
Mercedes R231 Seat Control Unit Module Driver A2319003606
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Part no. A2049005112-1
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
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Part no. 7843191
Amplifier Unit BMW E90 E91 Individual Audio HiFi System Unit Lear 7842409
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Part no. A2135406505
Mercedes C238 Front Axle ABS Brake Sensor Left N/S Wiring Loom Cable A2135406505
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Part no. 7807827-2
BMW 1 3 5 Series E60 E81 E90 120d 320d N47 Diesel ECU Kit DDE CAS 3 Key 7807827
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Part no. A2129060001-1
Mercedes C207 A207 W212 CD Player Radio Stereo Head Unit A2129060001
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Part no. 4H0907063CG
Audi A6 C7 A7 4G Onboard Supply BCM Body Control Module Unit ECU 4H0907063CG
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Part no. EXIDE-AGM-82AH
Exide Battery Accumulator Start Stop AGM Electrical Unit EK820 82Ah 800A
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Part no. BK3V-14517-CE
Ford Transit Mk8 Fuse Relay Box Control Unit Module BK3V14517CE
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Part no. 6921960
BMW 5 X5 Series E39 E53 Radio Business CD Player 6921960
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Part no. 7N0907530S
VW Volkswagen Sharan 7N Gateway Control Unit Module ECU 7N0907530S
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Part no. 9459924
BMW 1 Series F40 Coil Spring Cartridge Slip Ring 9459924
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Part no. 7317459
BMW 5 7 Series F01 F02 LCI G30 Front Seat Left N/S Support Trim Outer 7317459
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Part no. 9203280
BMW X6 Series E71 Cable Loom Door Front Driver's Side Wiring Harness 6900920
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Part no. 4H0907801E
AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
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Part no. A2044409732
Mercedes-Benz C W204 Dashboard Dash Navigation Central Display Wiring Cable
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Part no. 9499002
BMW F20 F21 F22 F30 F31 F32 F36 Fuse Box Body Control Unit Module REM V2 9499002
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Part no. 9270646-1
BMW Z4 E89 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646
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Part no. 6868873
Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Part no. A0009061903
Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Part no. A2711535891
Mercedes CL203 CLC180K 143HP Engine Control ECU Kit A2661538979 + Key Automatic
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Part no. TradeTec Performance 52Ah Accumulator
TradeTec Accumulator Battery 52Ah 500A 12V TDC027VP
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Part no. 9151864-1
HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734
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Part no. 02Z911023P
Volkswagen Transporter T5 Diesel Engine Starter Motor 2.0 TDI 02Z911023P
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Part no. 7810950-1
BMW E60 E61 LCI 530d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 + Key Automatic
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Part no. 8846393
BMW i4 G26 Control Unit Module ECU 8846393 8846468
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Part no. 8844217
BMW G20 G30 G38 G11 LCI G12 LCI High Voltage Battery Safety Box 8844217
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Part no. 4KE907468F
Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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Part no. 9261614-2
PDC Sensor BMW F20 F21 F22 Rear Bumper Ultrasonic Glacier Silver SET x4 9261614
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Part no. 5A48E68
BMW X3 G01 Door Wiring Front Left N/S Wires Harness Loom 5A48E68
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Part no. 7803369-7
BMW E83 LCI 3.0d M57N2 218HP ECU Engine Unit DDE 7803369 CAS3 + Key Automatic
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Part no. 7532140-3
BMW Z4 Series E85 Roadster 2.5i M54 192HP ECU Kit DME 7532140 EWS3 Key Automatic
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Part no. 6936308
BMW 3 Series E46 Convertible Wiring Driver's Side Door Cable Harness 6936307
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Part no. A1679008805
Mercedes Sprinter W907 Door Control Unit Module A1679008805
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Part no. 7836163
BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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Part no. 7621178-12
BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual
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Part no. 9284284
BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Part no. A2139006027
Mercedes V177 Driving Assistance Distronic Module Control Unit ECU A2139006027
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Part no. 8J0951177
Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
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Part no. 7351498
BMW F11 Wing Wiring Harness RIght O/S Mirror Control Module 7351498
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Part no. A2189069202-1
SD Card Mercedes W156 W176 Garmin Map Pilot Navigation Europe A2189069202
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Part no. 9133143
BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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Part no. A2711532691
Mercedes R171 SLK 200 163HP 271.944 Kompressor Engine ECU A2711532691 Automatic
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Part no. 8574352-1
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Part no. 8794108
Head Unit Mini Clubman F54 Countryman F60 Sat Nav Control Module 8794108
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Part no. 8621020
BMW G20 G30 G11 G12 HV Accumulator Battery Positive Cable Wiring Plug 8621020
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Part no. 3452235
BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Part no. A2115450016
Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115450016
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Part no. 9812533
Mini Countryman R60 High PL3 SPEG H6 Fuse Distribution Box 9812533
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Part no. 7330822
BMW F01 F02 F10 LCI G30 Front Seat Support Trim Cover Ivory White 7317453
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Part no. A2059000044
Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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Part no. 7533651-4
BMW Z4 Series E85 3.0i M54 231HP ECU Kit DME 7533651 + EWS3 + Key Manual
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Part no. 513106020G412
Varta Auxiliary Car Battery 12V 13Ah 200A 513106020G412
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Part no. A1715403832
Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
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Part no. 0406349-1
Mini R50 R52 R53 iPod Interface Adapter Connection Cable Unit Module 0406349
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Part no. 7111904
BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
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Part no. 6973671
Display Screen BMW E60 E63 E64 6,5" Dashboard On Board Monitor Sat Nav 6973671
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Part no. 9160150
BMW F07 GT TV Camera System Unit Module Bracket Holder Mount Support 9160150
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Part no. A4159007800
Fuse Box Mercedes W415 Citan USM Body Control Unit Module BCM 284B68764
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Part no. 6940977
Audio System DSP BMW E38 E39 X5 E53 Amplifier Module Unit Lear 6940977
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Part no. 9200101
BMW E87 E90 Radio Business CD Player Audio Control Unit E81 E91 9200101
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Part no. 9434499
Wiring BMW F40 Radaitor Air Guide Shutter Duct Harness Loom 9434499
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Part no. 9278074-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 5K0937084B
Volkswagen Scirocco Mk3 Fuse Box Module Comfort BCM Control Unit ECU 5K0937084B
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Part no. A2185405905
Mercedes CL C218 X218 Wiring Loom PDC Harness Parking Sensor Front A2185405905
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Part no. 9270356
Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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Part no. 1T0971558D
Volkswagen Touran 1T Door Wiring Front Right O/S Harness Loom Cable 1T0971558D
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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. A1121535479-1
Mercedes CL203 C 320 M112.946 218HP Engine Module ECU Kit A1121535479 Key
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Part no. 8200263345
Renault Relay III Unit Module 4 Pins 12V 8200263345
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Part no. 8620523
BMW F30 LCI 330e Hybrid Storage Cover Panel High Voltage Battery 8620523
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Part no. 6948507
BMW E60 E61 CCC CD Professional Navigation System Controller Radio Unit 6948507
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Part no. 03L906018LA-2
Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA BCM2 Key Ignition
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Part no. 074906032AT-1
Volkswagen Crafter 1 2.5 TDI 109HP BJK Engine Unit ECU Kit 074906032AT Key Lock
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Part no. 9803844-3
Mini Cooper Countryman R58 R60 R61 Aerial Roof Antenna Base Module 9803844
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Part no. 7636292-2
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 7636292 + FEM + Key + Lock
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Part no. 7797216-1
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE 7797216 CAS3 Key
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Part no. 8644492
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492
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Part no. 8516753
BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Part no. A0009050210
Mercedes W204 W212 Blind Spot Radar Sensor Rear Left Right N/O/S A0009050210
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Part no. A2189063303
Mercedes W117 W176 W205 SD Card Garmin Map Pilot Navigation Europe A2189063303
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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 .