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. 8603352-2
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Automatic
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BMW 1 3 E81 E87 LCI E90 E91 N43 Alternator Generator 170A Petrol NAPA NAL1250
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Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control Unit DME 7613226 CAS Key Manual
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BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
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VW Polo 6R Seat Ibiza Mk4 Starter Motor Bosch 1.2 Petrol CGPB 02T911023R
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Fuel Pump Module BMW F10 M5 F80 M3 Fuel Pump Control Unit 7398495
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BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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Audi S5 8T Air Module Control Unit SRS System ECU 8K0959655B
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Mercedes SLK R171 Center Console Arm Rest Wiring Loom Harness A1715409333
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049009510
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Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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Mercedes W176 Front Pressure Impact Crash Sensor Module With Hose A1769051600
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BMW 3 5 Series 4 E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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BMW F20 F21 F30 LCI M140i 340i Alternator Generator 180A BOSCH 8614276
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BMW Z4 Series E85 Hifi System Amplifier Speaker System Unit 6929689
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Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810
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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3
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BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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Mercedes W168 W203 W211 W218 Relay Unit 5-Pin Yellow Hella A0025421219
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Manual
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BMW 5 X5 Series E39 E53 Radio Business CD Player 6921960
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BMW 3 Series E90 E91 E92 AUX USB Lead Cable Wire 61129202724 9202724
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Part no. 7810980-3
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Keys
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Mercedes R171 SLK 200 M271.944 163HP Engine Module ECU Kit A2711538579 Key Lock
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Mercedes ML W164 Cable Loom Wiring Parking Sensors Rear Bumper A1645402405
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Part no. 8606776
BMW F20 F21 M135i F30 F31 335i N55 Engine Control Unit ECU 8606776 Automatic
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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Renault Trafic F83 M9R 2.0 DCI Engine Control Unit Module ECU 8200935115 Manual
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Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
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Ford Transit Connect Cable Alternator Starter Motor Battery Wiring FV6T-14A280
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Part no. 7557395-20
Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 + EWS + Key
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BMW F40 M135i xD B48 306HP Engine Control Unit ECU Kit DME 5A088E6 BDC Key
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MINI Cooper One D R55 R56 Alternator Generator Diesel 150A 7794970
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Part no. 3451924
BMW Mini Cooper R56 High SPEG PL3 DC/DC M2 Fuse Distribution Box 3451924
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Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
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Alternator Generator Mercedes W204 W207 Petrol Engine Bosch 150A A0009062003
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Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Honda Civic Starter Motor Actuator Unit 12V 31200-PSA-J52
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Navigation Monitor Screen BMW E60 E90 On-board Information Display 6,5" 6945661
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Mini R60 Rear PDC Ultrasonic Parking Sensor Midnight Grey Metallic 9813237
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Audi Q2 GA Head Unit Navigation Multimedia Control Unit MMI 81A035043
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Mini R55 R56 R57 LCI R58 R59 R60 MINI CD Radio Audio Player Head Unit 3456805
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Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Part no. 6971961
BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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Volkswagen Touareg 7L Automatic Gearbox Module Control Unit ECU 09D927750FA
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Part no. 8J0907115-1
Audi TT 8J 2.0 TFSI BWA 200HP Engine Module Control Unit ECU Set 8J0907115
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BMW 3 Series E90 E91 LCI Mini R55 R56 Tyre Pressure RDC Control Unit Module
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BMW Z4 E85 Body Control Unit Module GM5STAR12 LOW 6963038
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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Volkswagen Golf MK 7 Audi A3 8V 1.4 Alternator Petrol 04C903023K
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Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100
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Part no. 2S7T11000DC
Ford Mondeo MK3 2.0 TDDi Diesel Engine Starter Motor 2S7T-11000-DC
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Part no. E90 Wiring Loom Set PDC Rear-1
BMW 3 Series 1 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Part no. A0009003704
Mercedes W204 W212 Tyre Pressure Check Monitor Control Unit Module A0009003704
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Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
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Part no. 9145026
BMW 3 Series E90 E92 E93 M3 Front Bumper PDC Loom Cables Wiring Set 9145026
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
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Part no. A2115409910
Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910
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Part no. 7590857-1
Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual
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Part no. 6826985
BMW F22 F23 F30 F34 LCI Control Unit Air Module ECU 6826985
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Part no. 8382454
BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454
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Part no. 074145169F
Volkswagen Transporter LT 35 2.5 TDI Alternator Bracket Vw 074145169F
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Part no. A2035454901-1
Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901
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Part no. 5Q0803219C
Battery Clamp VW Golf 8 CD1 Audi A3 8Y Battery Base Bracket Holder 5Q0803219C
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Part no. 8571905-2
Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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Mercedes GLA X156 Central Display Infotainment Sat Nav Media Screen A1669008222
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Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
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Audi A5 8T Seat Module Control Unit ECU Front Left Right N/O/S 8T0959760
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Mini Cooper R57 Wiring Loom Harness Rear Trunk Lid 9278356
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BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808
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Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
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BMW E87 LCI ECU Body Control Module Junction Box H2 PL2RR 9247472
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Volkswagen VW Polo 9N Negative Battery Terminal Ground Cable Wiring 6Q0971235
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BMW F01 F02 F03 F10 F11 F20 F21 F30 F31 Bluetooth Module Combox Media 9257150
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Vauxhall Opel Astra G Engine Control Unit ECU Module Petrol Automatic 09391340
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 + 2 Keys 7610011 Manual
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Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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Mercedes Sprinter W906 Alternator Generator Diesel 180A 14V A0009068802
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BMW 3 5 X3 Series 4 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
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BMW E60 E63 E87 E90 Starter Motor Diesel Engine Actuator RTX 402110362
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 7492035
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Audi A8 4E S8 D3 Head Unit Interface Control Module 4E0910732A
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Part no. 9647158180
Peugeot 307 1.4 HDI Diesel DV4-TD Engine Control Unit ECU 9647158180 Manual
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Part no. 4L0919283E
Audi Q7 4L PDC Parking Distance Sensor Control Module Unit ECU 4L0919283E
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Part no. A6394408637
Mercedes W639 Rear Bumper PDC Wiring Parking Sensor Loom Harness A6394408637
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VW Golf 6 2.0 TDI Diesel CBD Engine Control Unit ECU Manual 03L906022LF
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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 .