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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Audi S5 8T Gateway Control Unit Module ECU 8T0907468P
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Audi A6 C7 BCM2 Comfort Body Control Module Electrical Unit ECU 4H0907064FH
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Mini Cooper S R58 R60 N18 184 HP Engine ECU Kit DME CAS3 + Key 8621260 Manual
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Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS
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BMW X5 Series E53 4.4i Petrol M62 B44 448S2 Engine Wiring Loom Harness 1438902
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Battery Cable Mercedes Sprinter W906 Negative Lead Wiring Harness A9065460221
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Seat Exeo Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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Mercedes W212 Aimatic Suspension Control Unit Complete Module A2129005524
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Ford Transit Connect Mk2 Radio Stereo CD Player Head Unit F1BT18C815HM
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Mini Cooper One R55 R56 Radio Boost CD Player Head Control Unit 3448827
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Mini R52 R53 Petrol W11 Compact Alternator Generator 7515030
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Ford Transit Custom 4 Pins Relay Plug GK2T17L684AA
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BMW E46 E85 M54 Petrol Alternator Generator Bosch 120A 7519618
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Starline Accumulator Battery 12V 60Ah 480A
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Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
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BMW F20 F21 F30 LCI 118d 318d B47 DDE Engine Control Unit ECU 8589145 Automatic
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Mercedes W205 Parking Sensor Wiring Front Bumper PDC Loom Cable A2055404007
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Servotronic Module BMW F10 M5 F13 F12 M6 Steering Control Unit Servo SVT 6856855
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 LOW Delphi
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Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
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Audi A8 D4 Alternator Starter Motor Wiring Harness Cable Loom 4H0971224BA
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
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Mercedes R172 Battery Cable Wiring Positive Plus Pole A1725400430
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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BMW E92 M3 Footwell Light Control Module AHL PL2 FRMII 61359166709 9166709
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BMW E39 520i M52 Automatic Gearbox ECU Control Module EGS 1422972 1422972
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Land Rover Range Rover Sport Steering Stalk Control Unit Module CH22-13N064-DB
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BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766
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Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
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Mercedes W205 Samsung Battery Managment System BMC SDI Control Module 0E03130139
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Mini Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + 2 Keys Manual
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Mercedes W207 W212 Parktronic Parking Control Unit Module A0009003706
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Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
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Mercedes W221 S350 M272.965 272HP Engine ECU Kit A2721536979 Ignition + Key
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Mercedes-Benz C CLK W202 W208 Left N/S Parking System Warning Display Screen
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Part no. 8P0907063F
Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063F
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BMW X5 F15 Towing Hitch Trailer Hook Module Control Unit ECU 6889589
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BMW 5 Series E60 E61 LCI Battery Cable Lead Positive Underfloor 6927704
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BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q
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Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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Audi TT 8N Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655
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Part no. 8617050-2
Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8617050 CAS 3 + Key
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Mini F56 F60 BMW F40 F39 Diesel B37 Battery Starter Alternator Wiring 8580059
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Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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Door Cable BMW F01 F02 Front Right O/S Wiring Loom Harness 9212165
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BMW F30 F31 F32 F34 Lane Change Wrning Sensor Module Slave HC-2 Left 6856284
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Mercedes C219 Center Console Arm Rest Door Lid Black A2196801239
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Mercedes ML W166 SAM Module Control Unit ECU A1669003712
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BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 8674949 Automatic
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Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Bosch Engine Starter Motor 0986018830
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BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036
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Seat Ibiza KJ1 VW Polo MK6 Online Services Control Module ECU Unit 2GA035284A
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BMW 5 Series E60 Light Control Module Unit Lear LME6X Ohne LWR 6943288
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BMW 3 E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM2 PL 9204540
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Head Unit BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation GPS 9441865
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Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
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BMW E90 E91 LCI E92 E93 325i N53 218HP ECU Kit DME CAS3 + Key 7612455 Manual
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Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A1669008506
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VW Volkswagen Amarok NF Front Door Harness Wiring Passenger Side N1XT14630TFE
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Mercedes Vito W639 Door Module Front Right O/S Control Unit ECU A6399003200
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NAPA AGM Accumulator Battery 95Ah 850A 12V AGM019N
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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Ford Transit Connect 1.8 TDCi Engine Control ECU Module Manual 7T11-12A650-HE
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BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656
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Mini Cooper One D R55 R56 Diesel W16 ECU DDE 7823934 0281015233 Manual
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Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
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BMW Z4 E85 2.5i Engine M54 192HP Engine ECU Kit EWS3 + 2 Keys 7527072 Manual
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Starter Motor Mercedes C118 W177 C247 Petrol OM282 Starter Motor A2829062000
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Mercedes W168 A 160 CDI OM668 Engine Control Module A6681530979
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9069000203
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Audi A5 8T Rear Reversing Camera Module View Camera Control Unit ECU 8T0907441C
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BMW Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW 1 Series E82 Rear Bumper PDC Cables Wiring Loom Set 0396890
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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BMW E60 E61 E65 E70 X6 E71 Trailer Towing Control Module 9215050
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Part no. 4M0959107B
Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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Part no. 8795005
Mini F55 Body Control Unit Basic Module Body Domain Controller BDC LR01 8795005
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Part no. 6944963
BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Mercedes W221 Air Condition Climate Control Module Unit A2218704192
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Mercedes W204 Yaw Rotation Rate Acceleration Sensor Module A0055421818
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Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378
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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 .