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.
Make
Category
Subcategory
Condition
In Stock
Price

Part no. 6933410
BMW E85 Fuses Electrical Fuse Set 6933410
Product currently unavailable

Part no. A6461508172-1
Mercedes Vito W639 116HP 646.980 Engine Unit ECU Kit A6461508172 Key Lock Manual
Product currently unavailable

Part no. 7111902
Seat Wiring BMW X3 E83 Z4 E85 Loom Harness Passenger Side 7111902
Product currently unavailable

Part no. 9310455
Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
Product currently unavailable

Part no. 9244199
BMW E92 E84 Telematics Module Bluetooth Combox Telematik Phone Module 9244199
Product currently unavailable

Part no. 6801167
BMW 2 Series F23 Convertible Rear Tailgate Antenna Aerial AM/FM/TEL 6801167
Product currently unavailable

Part no. 4H0906093G
Audi A8 D4 Diesel Engine Fuel Pump Control Unit Module 12V 4H0906093G
Product currently unavailable

Part no. A2049061002
Radio Player Mercedes-Benz W204 COMAND Navi CD Head Unit A2049061002
Product currently unavailable

Part no. A2711504179
Mercedes CL203 CLC160 Kompressor M271 Engine Control Unit Module ECU A2711504179
Product currently unavailable

Part no. A2125406250-1
Mercedes W212 SAM Fuse Prefuse Box Relay Junction Control Unit A2125406250
Product currently unavailable

Part no. A0009826814
Mercedes W205 Starter Battery ACCUMOTIVE Control Unit Module A0009827113
Product currently unavailable

Part no. A1561540102
Mercedes W204 C63 AMG M156 Engine Alternator Generator BOSCH 180A A1561540102
Product currently unavailable

Part no. 8579479-1
BMW 1 3 Series F20 F21 F30 F31 118d 318d N47N ECU Kit DDE 8579479 + Key + FEM
Product currently unavailable

Part no. 8P0035195P
Audi A3 8P CD Player Radio Stereo Head Unit 8P0035195P
Product currently unavailable

Part no. 9472820
KaFAS Camera BMW G30 G31 F90 M5 X3 G01 G11 Lane Assist Unit Module ECU 9472820
Product currently unavailable

Part no. 6C0937089D
Seat Ibiza 6J Central Body Comfort BCM Interface Module 6C0937089D
Product currently unavailable

Part no. A1695400706
Rear View Mirror Cable Mercedes W169 W245 Wiring Loom Harness A1695400706
Product currently unavailable

Part no. 7579142-18
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
Product currently unavailable

Part no. 6907646
BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
Product currently unavailable

Part no. 8587952
BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
Product currently unavailable

Part no. 7803373-8
BMW E60 E90 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 Keys CAS3
Product currently unavailable

Part no. 6818076
BMW 12V Accumulator Battery 70Ah 570A 8381730
Product currently unavailable

Part no. 7539808
MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
Product currently unavailable

Part no. 7557809-6
BMW E87 116i E90 316i N45 116HP Engine ECU KIT DME 7557809 CAS2 2 Keys Manual
Product currently unavailable

Part no. A2219002604
Mercedes-Benz S-Class W221 TV Tuner Receiver Control Unit Module A2219002604
Product currently unavailable

Part no. A2129000023
Mercedes A207 Fuse Box Relay Rear SAM Control Unit Module A2129000023
Product currently unavailable

Part no. 9145102-1
Dashboard Screen BMW E60 E90 Dash Onboard Monitor Display 8.8" CCC 9145102
Product currently unavailable

Part no. 8691827-1
Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Key Manual
Product currently unavailable

Part no. 9187644
BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 9187644
Product currently unavailable

Part no. 8P0035152F
Audi A3 8P Sat Navi Stereo Radio Audio MMI Head Unit CD Bosch Unit 8P0035152F
Product currently unavailable

Part no. 8506375-2
BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
Product currently unavailable

Part no. 7587164-2
BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME 7587164 CAS3 Key Manual
Product currently unavailable

Part no. 9123041-2
BMW E90 E92 Steering Switch Cluster Column Indicator Wiper Stalk 9123041
Product currently unavailable

Part no. 1025-10-1
BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
Product currently unavailable

Part no. rhd-8378943
BMW X5 Series E53 Onboard Computer System Monitor Cassette Player 8378943
Product currently unavailable

Part no. YUASA YBX 3000 80Ah Accumulator
YUASA YBX 3000 12V Accumulator Battery 80Ah 760A YBX3110
Product currently unavailable

Part no. 4G0907441B
Audi A7 4G Rear Reversing Camera Module View Camera Control Unit ECU 4G0907441B
Product currently unavailable

Part no. 04L907309A
Audi TT Mk3 8S 2.0 TDI CUNA 184HP Engine Control Unit ECU 04L907309A Manual
Product currently unavailable

Part no. 7N0907530J
Gateway Module Audi A3 8P Volkswagen Tiguan Central Control Unit ECU 7N0907530J
Product currently unavailable

Part no. 6977767-1
Mini Cooper R50 R52 R53 6-Disc CD Changer Unit Module With Magazine 6977767
Product currently unavailable

Part no. 7633959
BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
Product currently unavailable

Part no. 9453859
High Voltage Inverter BMW i3 I01 Electric 60Ah Electrical Machine Electronics
Product currently unavailable

Part no. 7374942
BMW F20 F21 F30 F31 Fuel Pump Control Unit Module 7374942
Product currently unavailable

Part no. A2229004511
Audio Amplifier Mercedes W205 W222 GLC X253 Sound Burmester Unit A2229004511
Product currently unavailable

Part no. Powerplus 100Ah Accumulator
Powerplus 12V AGM Accumulator Battery 95Ah 900A
Product currently unavailable

Part no. A2059000628
Door Module Mercedes W205 Front Right O/S Door Control Module Unit A2059000628
Product currently unavailable

Part no. 6921414
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
Product currently unavailable

Part no. A1665402450
Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450
Product currently unavailable

Part no. 9283693
PDC Wiring BMW E81 E82 E87 LCI E88 Front Bumper Loom Cables Set 9283693
Product currently unavailable

Part no. 8740344-1
BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8740344 FEM + Key
Product currently unavailable

Part no. 8579785-3
BMW F20 125d F30 325d N47S1 218HP Engine Control Unit ECU DDE 8579785 Automatic
Product currently unavailable

Part no. 8K0907063P
Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
Product currently unavailable

Part no. 8652746
Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Engine Control Unit DME 8652746 Manual
Product currently unavailable

Part no. 9151978-1
BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8"
Product currently unavailable

Part no. A0034464110-1
Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
Product currently unavailable

Part no. 8R0907401J-2
Audi A5 8T 3.0 TDI CCWA 240HP Quattro Engine ECU Kit Ignition + 2 Key 8R0907401J
Product currently unavailable

Part no. 9197131
BMW X3 Z4 E83 E85 CID Control Unit CD Player Radio Audio System 9197131
Product currently unavailable

Part no. A2045842982
Mercedes W204 Fuse Box Grouping Fuse Placement Map Card Diagram A2045842982
Product currently unavailable

Part no. 9249085
BMW E90 LCI Footwell Light Module Control Unit ECU FRM3R LED PL2 9249085
Product currently unavailable

Part no. 02M911024G
VW Golf Audi A3 8P 2.0 TDI Diesel Engine Starter Motor 02M911024G
Product currently unavailable

Part no. 6966558
BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 6966555
Product currently unavailable

Part no. 7619333
Mini Cooper S R55 R56 LCI R60 N18 1.6 184HP ECU Engine Module 7619333 Manual
Product currently unavailable

Part no. 9287535-1
Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535
Product currently unavailable

Part no. A6461501177-1
Mercedes W639 109 CDI OM646.980 95HP Engine Unit ECU Kit A6461501177 Key Lock
Product currently unavailable

Part no. 8E0951253
Fuel Pump Module Audi A4 B7 A6 C6 Q7 4L Sender Control Relay Unit ECU 8E0951253
Product currently unavailable

Part no. 7796678-2
BMW E60 E61 535d M57N Engine Control ECU Kit DDE 7796678 + CAS2 + Key Automatic
Product currently unavailable

Part no. A0008271378
Mercedes W906 Right O/S Wing Door Mirror Wiring A0008271378
Product currently unavailable

Part no. 7588620-1
BMW E60 E90 325i 525i N53 218HP ECU Kit Control Unit DME 7588620 CAS3 Key Manual
Product currently unavailable

Part no. 9261617-EB2
PDC Parking Sensor BMW F20 F30 F82 Ultrasonic Sensor Estoril Blue Metallic B45
Product currently unavailable

Part no. 9240643
BMW E70 E90 E91 E92 DVB-T TV Tuner Module Control Unit Video FUBA 9240643
Product currently unavailable

Part no. 9240528-1
BMW 3 Series E93 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
Product currently unavailable

Part no. 6927100
BMW 5 Series E60 E60N E61 E61N LCI Rollover Battery Protection 6927100
Product currently unavailable

Part no. 8473185-3
BMW F20 F30 F45 LCI 118d 218d 318d B47 150HP Engine Control Unit ECU DDE 8473185
Product currently unavailable

Part no. A1645400701
Mercedes ML W164 Rear SAM Module Control Unit Fuse Box A1645400701
Product currently unavailable

Part no. 6827072
Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R Lear 6827072
Product currently unavailable

Part no. 8506434-5
BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Control Kit DDE 8506434 Automatic
Product currently unavailable

Part no. Halfords 76Ah Accumulator-1
Halfords 12V Calcium Accumulator Battery 76Ah 680A HCB096
Product currently unavailable

Part no. 5A74F44
BMW G30 Lid Boot Hatch Trunk Tailgate Smart Opener Control Unit Module 5A74F44
Product currently unavailable

Part no. VARTA Blue Dynamic 95Ah Accumulator
VARTA Blue Dynamic Accumulator Battery 95Ah 800A 12V G3
Product currently unavailable

Part no. 9172367
BMW X5 E70 X6 E71 Junction Box Body Control Module Electronics Unit 9172367
Product currently unavailable

Part no. A1645402972
Mercedes W164 Fuse Box Holder A1645402972
Product currently unavailable

Part no. 7553735-11
Mini Cooper S R53 W11 170HP Engine ECU Control Unit DME 7553735 Automatic
Product currently unavailable

Part no. 9227172
BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
Product currently unavailable

Part no. A6519005301-7
Mercedes W204 C250CDI 204HP OM651.911 Engine ECU Kit A6519005301 Automatic
Product currently unavailable

Part no. DEH-3400UB
Radio Player Pionieer DEH-3400UB CD USB ipod mp3 Player Unit 50W x4
Product currently unavailable

Part no. 2284105
Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105
Product currently unavailable

Part no. A1729005507
Mercedes R172 Head Unit Radio CD Player Audio A1729005507
Product currently unavailable

Part no. 9381086
Amplifier BMW F06 GT F10 F13 F15 Audi Control Unit Active Sound Design 9381086
Product currently unavailable

Part no. A2049000600
Mercedes W204 Fuse Box Relay Control Unit SAM Module A2049000600
Product currently unavailable

Part no. A2059006330
Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006330
Product currently unavailable

Part no. 7790548
BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
Product currently unavailable

Part no. 8506434-4
BMW E81 E84 E87 E90 LCI 18d 118d 318d N47 ECU Kit DDE 8506434 CAS3 Key Automatic
Product currently unavailable

Part no. A0009067900-1
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
Product currently unavailable

Part no. 7638193
BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
Product currently unavailable

Part no. A2129008716
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008716
Product currently unavailable

Part no. 6868251
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251
Product currently unavailable

Part no. 8510221-6
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Product currently unavailable

Part no. 9283702
Radio Professional CD BMW E81 E82 E87 E88 E90 E91 E92 E93 Audio Player 9283702
Product currently unavailable

Part no. 8638198-9
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8638198 Automatic
Product currently unavailable
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 .