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. 8P0907530C
Audi A3 8P Control Unit Gateway Module ECU 8P0907530C
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Mini Cooper One R55 R56 N12 120HP DME 7573701 Engine Control Unit ECU Automatic
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Mini Cooper R56 R57 LCI R58 R59 R60 CD Radio Audio Player Control Unit 3457433
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Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Kosmos Black 191
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BMW E65 E66 Front Seat Occupancy Sensor Mat 6914666
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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Airbag Module Citroen Relay Fiat Ducato Air Bag Control Unit 01370978080
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BMW E46 E39 E38 E83 E53 E85 E86 Control Unit Voice Input System Module 6915047
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BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
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BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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BMW E60 M57 Engine Starter Motor 7794952 0001115041
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Skoda Octavia II Engine Bay Fuse Box 1K0937125A
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BMW 5 6 E60 E63 LCI Radio CHAMP Professional CD Player System Controller 9149229
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Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Audi A3 8V Air Module Control Sensor ECU Unit 5Q0959655L
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BMW 1 Series E87 LCI ECU Light Module Control Unit PL2 FRM II Lear 9204525
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BMW E39 523i E46 323Ci M52 170HP Engine ECU Module DME 7500255 Automatic
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Mercedes W176 W246 Emergency Call Switch Roof Wiring Cable Loom A2465402710
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BMW E63 Light Control Unit Module LCM LM II E6X LWR 9203081
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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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BMW X1 E84 18dX Diesel N47N 143HP Engine Control Unit ECU DDE 8519005 Manual
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126
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Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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BMW E92 Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Volkswagen Golf 5 2.0 TDI Engine Control Unit ECU Manual 03G906016HJ
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Mini Cooper R55 R56 R57 R58 R59 R60 R61 Starter Motor 7616698
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Mercedes ML W166 GLE C292 Engine Compartment Fuse Box Right A1665405202
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BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9257038 6809374
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BMW E60 E61 CCC CD Professional Navigation System Controller 6949171
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Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808
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PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570
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Part no. 5Q0907530S
Audi A3 8V Gateway Control Module Unit ECU 5Q0907530S
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Mercedes-Benz M ML W163 Front Bumper Fog Lamps Parktronic Wiring Loom Harness
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Part no. 8V5115K600EG
Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 2 Keys CAS4
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BMW E82 Footwell Light Module LOW PL2 FRM II 61359197176 9197176
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BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846
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Alternator Generator Peugeot 208 308 Partner Diesel 12V 9678048880
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PDC Module BMW F45 F46 I01 Mini F55 F56 Parking Assistant Control Unit 6881300
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BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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Part no. 8600124-6
Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124
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Part no. 6942908
BMW 3 X3 Series E46 E83 Navigation Computer GPS System DVD Player Unit 6942908
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Part no. A0009828223-1
Mercedes W213 Power Relay 4 Pin 12V Hella A0009828223 SET x2
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Part no. 9384222
Body Module BMW X3 F25 X4 F26 Control Unit Junction Box JBBFE 3 9384222
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BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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BMW Z4 Series E85 Roadster Driver's Side Door Wiring Loom Cable 6933950
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BMW 3 Series E93 Negative Battery Lead Cable 7599959
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Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8655106 BDC + Key Manual
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Audi S3 8P Audio Sound BOSE Amplifier Stereo System Module 8P4035223D
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Audi A4 B7 Front Door Wiring Harness Loom Cable Left N/S 8E1971035DJ
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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Mercedes W205 Radio Audio Navi GPS Head Unit A2059007815
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BMW F45 F48 F49 Mini Cooper F60 Earth Ground Cable 8648840
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Mini Cooper R55 R56 Petrol N12 DME Engine Control Unit ECU 7600076 Manual
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Part no. 5Q4959592E
Seat Leon Mk3 Door Module Control Unit Front Passenger's Side Door 5Q4959592E
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU LEAR PL3 FRM 3457403
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BMW E90 E91 320d N47 Engine Control Unit Module ECU Kit DDE 7811700 CAS3 Key
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Part no. 4M5Q10239CC
Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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Part no. 9357991
Head Unit BMW F10 F20 F30 Basis Media Navigation Headunit 9357991
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Mercedes W169 W245 W639 W906 Head Unit Radio Media Player Navigation A1699002500
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Part no. 059911021C
Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
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Mercedes C117 W166 W176 W222 W246 Relay Black Control Unit 12V 20A A0025429219
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Part no. E82 Wiring Loom Set PDC rear -1
BMW 1 Series E82 Wiring Loom Set Rear Complete Harness PDC Parking Sensor
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Mercedes W212 Comand Radio Head Unit CD DVD Player A2129006905
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Volkswagen VW New Beetle 1.9 TDI BSW Engine Unit ECU Kit 038906019NN Key Manual
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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Part no. 420919275-IWH
Audi A4 A5 Q7 Rear Bumper PDC Parking Sensor Ibis White - Y9C 420919275
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Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
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Audi A3 8P Convertible Roof Control Module ECU 8P7959255
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Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
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Part no. 9273628-1
BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8W1907063AC
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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BMW F80 M3 F82 F83 M4 431HP Engine Unit Module ECU DME 8679840 Dual Clutch
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Mercedes X253 Front Bumper Parking Sensor Wiring Loom Cable Harness A2535402400
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786
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Head Unit Kia Ceed MK1 ED SW Radio CD Player MP3 RDS Unit 96160-1H000
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Audi A4 B8 2.0 TDI CAGA Diesel Engine Starter Motor Bosch Unit 03L911021C
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BMW F80 M3 LCI Telematic Control module Comunication Unit ATM ECE 4G 6820726
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Part no. 8K0907063C
Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Part no. 8E5035223D
Audi A4 B7 Stereo Radio Sound Audio Amplifier Module Harman Becker 8E5035223D
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Part no. 7527072
BMW E60 E65 Petrol 530i 730i M54 Engine Control Unit DME 7527072 Automatic
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Part no. 9353990
Audio Amplifier BMW F20 F21 Mini F55 F56 Top Hifi Harman Kardon Unit 9353990
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Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
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Part no. 6927931
BMW 5 6 Series E60 E61 E63 E64 Control Unit Module CAS 2 CAS2 6927931
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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 .