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. 9283511
BMW 3 Series F30 Hifi Audio Sound Speakers Amplifier Control Unit ECU 9283511
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BMW F30 F32 F80 M3 F82 M4 1 Rear Antenna Aerial Amplifier AM/FM DAB
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BMW E81 E82 E87 LCI 123d N47S 204HP ECU Engine Control Unit DDE 7810002 Manual
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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 E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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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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BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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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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BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
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Volkswagen Transporter T5 Parking Aid Control Module Unit 7E0919475
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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. 7302256
BMW F10 M5 Control Unit Module ECU Fuel Pump 7302256
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Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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BMW 7 Series E65 E66 E67 Antenna Amplifier Diversity 6933667
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Part no. 7574544
BMW E90 E91 E92 E93 N52N ECU Basic Engine Control Unit DME 7574544 Automatic
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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. 3449688
BMW X3 E83 LCI Light Control Module Lear LM II LWR 3449688 61353449688
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Mercedes W211 Central Gateway Control Unit Module ECU A2114452600
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Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
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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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Engine Wiring Renault Trafic 2 Loom Module Harness Cable 275850906R
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Part no. 5N0971100R
Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
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Part no. 8591073
BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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Part no. A2035453201
Mercedes-Benz C CLK W203 C209 Sam Control Module Fuse Box Rear A2035453201
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Part no. 1K0971228L
VW Golf MK5 6 Audi A3 8P Positive Battery Terminal Cable 1K0971228L
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Part no. A1718207026
Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207026
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Part no. 8638736
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 8638736
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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. 9231283-IBB
PDC Parking Sensor BMW X5 E70 F10 Ultrasonic Sensor Imperial Blue A899231283
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Part no. 7545789-16
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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Part no. rhd-9137804
BMW MINI Cooper One R55 R56 R57 R58 Drivers Door Wiring Harness Loom 9154138
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Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
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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. 8T0035223M
Audi A5 8T Sound System Audio Amplifier Amp Unit Bang & Olufsen 8T0035223M
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Part no. 1387751
BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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Part no. 1K0937124P
Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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Part no. 4L0907566A
AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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Part no. A2319003606
Mercedes R231 Seat Control Unit Module Driver A2319003606
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Part no. A2059000146
Mercedes W205 Display Screen Instrument Cluster Speedo Meter Sat Nav A2059000146
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Part no. 02Z911024Q
Audi A3 8V 2.0 TDI Quattro Starter Motor Engine Diesel Bosch 02Z911024Q
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Part no. 6833256
Pedestrian Protection BMW G20 G21 G28 Crash Sensor Cable Unit Module 6833256
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Mercedes C238 Head Unit Radio CD Player Audio Sat Nav Control A2229009519
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Part no. 3457050-1
Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3457050
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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. 6952328
On Board Navigation BMW E60 E63 Display Monitor Screen 8,8" 6952328
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Mercedes C238 Front Axle ABS Brake Sensor Left N/S Wiring Loom Cable A2135406505
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Part no. 9151978
BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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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. A6461502634
Mercedes Vito W639 Diesel OM646.980 Engine Control Unit Module ECU A6461502634
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Mercedes C207 A207 W212 CD Player Radio Stereo Head Unit A2129060001
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Part no. Snappy High Performance 60Ah Accumulator
Snappy High Performance Accumulator Battery 60Ah 530A 12V
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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. 8509226
BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226
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Part no. 6989210
BMW 5 Series E60 E61 LCI Rear Bumper PDC Ultrasonic Sensor Interlagos Blau Blue
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Part no. A2139001223
Mercedes W205 Ignition Control Unit A2139001223
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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. 7612190-2
Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME 7612190 CAS3 + Key Manual
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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. 9205476
BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
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Part no. A2044404732
Mercedes W204 Estate PDC Wiring Rear Bumper Parking Sensor Cable A2044404732
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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. A6519002600-1
Mercedes W906 OM651.957 Diesel Engine ECU Kit Unit A6519002600 Key Lock Manual
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Part no. 6977982
Mini Cooper R50 R56 R57 R60 Relay No Contact Taubenblau 6977982
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Part no. 1C0909605P
Volkswagen Fox 5Z Air Module Control Unit ECU Module 1C0909605K
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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. 8U0035193CX
Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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Part no. 04801516AA
Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04801516AA
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Part no. RIPCA-FUSE-BOX
Ripca 12 Way Standard Blade Fuse Box Dual Bus Electrical Unit Module
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Part no. 8U0857273E
Audi Q3 S Line Multimedia Radio Sat Nav Screen Display Head Unit 8U0857273E
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Seat Wiring Mercedes C117 W176 W246 Loom Harness Cable Left N/S A2465409711
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Part no. 7809944-2
BMW E90 E91 E92 330d M57N2 231HP Engine ECU KIT DDE 7809944 CAS + Key Automatic
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Mercedes ML W164 Rear Control Unit Module Fuse Box SAM A1645401801
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AUDI A7 4G8 Electric Handbrake Control Module TRW 4H0907801E
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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. A2129004503
Mercedes W212 Electronic Control Unit Module Suspension A2129004503
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Part no. 8476016
Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016
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Part no. A6079002000-1
Mercedes W176 A180 CDI 607.951 109HP Engine ECU Kit A6079002000 Key Lock Manual
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Part no. 6936096
BMW 3 X3 X5 Series E46 E53 E83 Navigation System Video Module Unit
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Part no. 9283711
BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9283711
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Part no. 9170721
BMW E90 E91 E92 Professional CCC Navigation System Controller 9170721
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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. 9141809
Onboard Display BMW E60 E63 E64 E90 Dashboard Dash Monitor Screen 8.8" 9141809
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Part no. 23100JD71A
Nissan Qashqai J10 Renault Koleos 2.0 dCi Engine Alternator 23100JD71A
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Part no. 6868873
Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Part no. 3456586-1
Mini R57 Footwell Light Module PL3 FRM3R Lear Control Unit ECU 3456586
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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 .