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. 7802471
BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6952987
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Preheating Control BMW E46 E60 X3 E83 E90 E91 Glow Plug Unit Diesel
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Renault Trafic 3 Vauxhall Vivaro B Body Control Module ECU BCM T4 L4 284B18533R
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Audi Q7 4L Radio Head Unit Navi CD DVD Player Changer 4L0910110A
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Vespa Piaggio 125 GTS CDI Ignition Module Control Unit 58053R
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BMW 1 3 Series 2 E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6967641
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BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE Kit 7810980 Automatic
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Mercedes W205 Display Screen Instrument Cluster Speedo Meter A2059004842
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Part no. 3456905
Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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Stereo Radio Amp Audi A5 F5 Sound System Speaker Amplifier 8W0035465
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Part no. 9232534
BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Part no. 4K0906121C
Fuel Pump Control Audi A4 B9 A5 F5 A6 C8 Pump Unit Module ECU 4K0906121C
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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105
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Part no. 9380239
Gateway Module BMW F11 LCI Central Control Unit Lear ZGW-02 4SK 9380239
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Part no. 7610011
BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. 9666663780
Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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Part no. 8506438-3
BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual
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Part no. 3453743
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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Part no. 6943284
BMW 5 Series E60 Light Control Module Unit Lear LME6X MAN. LWR (LCM) 6943284
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Part no. 8E1971029AA
Audi A4 B7 Door Wiring Harness Loom Front Cabling 8E1971029AA
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Part no. 6962424
On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Part no. 9258350-1
Control Unit BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag ECU Module 9258350
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Part no. 9274428-1
Parking Sensor Mini Cooper F54 F55 F56 F57 F60 PDC Ultrasonic Black 9274428 SET
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Part no. 8486997
Mini F55 F56 F57 Integrated Supply Module Electrical Control Unit Module 8486997
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Part no. 7439743
BMW 3 5 7 Series F30 LCI 330e G11 G30 Fuel Pump Control Unit Module 7439743
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Part no. A0185459132
Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132
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Part no. 9302569
Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Part no. 03C903023G-1
Audi Seat Skoda Volkswagen 1.4 TSI Petrol Alternator Generator 110A 03C903023G
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Part no. 8377415
BMW E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Part no. 7797660
Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Part no. 4E0616575K
Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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Part no. 7616500
BMW E90 E91 E92 N52 N52N Engine Starter Motor Valeo 7616500
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Part no. 8W0035736
Audi A4 B9 Connector AUX USB Adapter Port Socket 8W0035736
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Part no. 8782591-1
Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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Part no. A2118701026
Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Part no. 6940698
BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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Part no. 6953424-4
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Part no. 3457168
Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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Part no. 9258173-1
Radio CD BMW E87 E90 E91 LCI Professional Bluetooth Player Control Unit 9258173
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Part no. 6960096
BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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Part no. 6916692
BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6916692
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Part no. A2129003608
Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Part no. AT1T-18C815-BA
Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
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Part no. 8506438
BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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Part no. 9226347-1
BMW E81 E90 LCI Business System Car Infotaiment CD Player Head Unit CIC 9226347
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Part no. 9119447
Fuse Box BMW E90 E91 E92 Front Power Distribution 9119447
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Part no. 3453737
Mini R56 High SPEG M3 Fuse Distribution Box Electrical Control Unit 3453737
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Part no. 6975015
BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015
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Part no. 9229880-2
BMW E93 ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9229880
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Part no. 6943427
BMW 3 Series E46 Radio Business Cassette Player 6928762
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Part no. 7615484-1
Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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Part no. A0081545202
Mercedes W124 M103 Alternator Generator BOSCH 14V 70A A0131541002
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Part no. 8C1T14A073BG
Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T14A073BG
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Part no. 1025-10
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Part no. 0AM911023TX
Audi A1 8X Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Part no. 9130160
BMW X6 E71 Antenna Amplifier Diversity Control Unit Module 868 MHZ 9130160
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Part no. 7559178-2
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Part no. A0034464110-1
Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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Part no. 9226328-1
BMW E90 LCI Junction Box Body Control Module H1 PL2RR JBBFE IIIR 9226328
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Part no. 8K5907357B
Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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Part no. 8642585
Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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Part no. 9321016
On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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Part no. 9354277
BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Part no. 8509036-3
BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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Part no. 7928646
BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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Part no. 9240226
BMW F10 F11 Front Bumper PDC Wiring Loom Electrical Cable Harness 9240226
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Part no. A1695450540
Fuse Box Mercedes W169 W245 Electrical Relay Control Unit A1695450540
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Part no. 9209183
Sound Speaker BMW X3 F20 F21 F25 Mid Range Stereo HiFi 9209183
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Part no. A2465408032
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032
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Part no. A2079005400
Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400
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Part no. A2468200035
Mercedes-Benz A-Class W176 Mikrophone Roof Control Module A2468200035
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Part no. 8K0971029M
Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Part no. 3456987
Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Part no. 1756803
Ford Ranger Explorer Starter Motor Engine Actuator Diesel Mitsubishi M002T87271
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Audi A3 S3 8Y Engine Alternator Generator Electric Unit 14V 140A 06K903026C
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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Part no. 7522980
BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609
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Part no. 6965046-1
CD Player BMW E60 E61 E63 M-ASK M-Audio Radio System Controller 6965046
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Audi A5 8T Door Module Control Unit ECU Front Driver's Side 8T0959793J
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Part no. 8H0959655G
Audi A4 B7 Air Module Control Unit ECU Impact Sensor 8H0959655G
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Part no. 8591073-4
BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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Part no. 4H0907063BN
Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Part no. 8T0919604A
Audi A5 8T Display Screen Dashboard Multifunction Monitor Unit 8T0919604A
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Part no. 9233010
BMW F10 Champ 2 Radio CD Player Head Unit ECU 9233010
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Part no. 9367804
Amplifier BMW F20 F21 F22 F23 Top Hifi Audio Module Harman Kardon 9367804
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Part no. 7805585
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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Part no. A2218706586
Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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Part no. 1 301 328 884
BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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Part no. A2711502433
Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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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 .