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. 6936308
BMW 3 Series E46 Convertible Wiring Driver's Side Door Cable Harness 6936307
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Mercedes Sprinter W907 Door Control Unit Module A1679008805
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Relay Mercedes W176 W246 4-Pin Black Hella 12V Electrical A0025428019 Set x4
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BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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BMW E81 E87 LCI E90 N43 116i 316i 2.0 122 HP Engine Unit ECU DME 7621178 Manual
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BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Mercedes V177 Driving Assistance Distronic Module Control Unit ECU A2139006027
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BMW E81 E87 E90 E91 E92 Active Steering Control Unit Module 6770918
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Audi TT 8J Interior Roof Alarm Motion Ultrasonic Sensor 8J0951177
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BMW F11 Wing Wiring Harness RIght O/S Mirror Control Module 7351498
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SD Card Mercedes W156 W176 Garmin Map Pilot Navigation Europe A2189069202
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BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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Mercedes R171 SLK 200 163HP 271.944 Kompressor Engine ECU A2711532691 Automatic
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BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU Kit DDE 8574352 CAS3 Key
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Head Unit Mini Clubman F54 Countryman F60 Sat Nav Control Module 8794108
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BMW G20 G30 G11 G12 HV Accumulator Battery Positive Cable Wiring Plug 8621020
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Audi A1 8X Seat Ibiza Mk5 Fuse Box Control Module Relay Box 2Q0941828E
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BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Parktronic Module Mercedes W211 PDC Parking Sensors Control Unit A2115450016
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Mini Countryman R60 High PL3 SPEG H6 Fuse Distribution Box 9812533
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BMW F01 F02 F10 LCI G30 Front Seat Support Trim Cover Ivory White 7317453
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Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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BMW Z4 Series E85 3.0i M54 231HP ECU Kit DME 7533651 + EWS3 + Key Manual
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Varta Auxiliary Car Battery 12V 13Ah 200A 513106020G412
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Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
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Mini R50 R52 R53 iPod Interface Adapter Connection Cable Unit Module 0406349
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BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
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Display Screen BMW E60 E63 E64 6,5" Dashboard On Board Monitor Sat Nav 6973671
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BMW F07 GT TV Camera System Unit Module Bracket Holder Mount Support 9160150
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Fuse Box Mercedes W415 Citan USM Body Control Unit Module BCM 284B68764
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Audio System DSP BMW E38 E39 X5 E53 Amplifier Module Unit Lear 6940977
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BMW E87 E90 Radio Business CD Player Audio Control Unit E81 E91 9200101
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Wiring BMW F40 Radaitor Air Guide Shutter Duct Harness Loom 9434499
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Volkswagen Scirocco Mk3 Fuse Box Module Comfort BCM Control Unit ECU 5K0937084B
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Part no. A2185405905
Mercedes CL C218 X218 Wiring Loom PDC Harness Parking Sensor Front A2185405905
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Part no. 9270356
Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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Part no. 1T0971558D
Volkswagen Touran 1T Door Wiring Front Right O/S Harness Loom Cable 1T0971558D
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BMW E39 E46 E81 E87 E90 Hands-Free Electronics Charging Module MULF 9133329
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Part no. A1121535479-1
Mercedes CL203 C 320 M112.946 218HP Engine Module ECU Kit A1121535479 Key
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Renault Relay III Unit Module 4 Pins 12V 8200263345
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BMW F30 LCI 330e Hybrid Storage Cover Panel High Voltage Battery 8620523
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BMW E60 E61 CCC CD Professional Navigation System Controller Radio Unit 6948507
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Audi A6 C7 2.0 TDI CGLC 177HP Engine Unit ECU Kit 03L906018LA BCM2 Key Ignition
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Volkswagen Crafter 1 2.5 TDI 109HP BJK Engine Unit ECU Kit 074906032AT Key Lock
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Mini Cooper Countryman R58 R60 R61 Aerial Roof Antenna Base Module 9803844
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 7636292 + FEM + Key + Lock
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BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE 7797216 CAS3 Key
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Part no. 6913387
BMW E39 On Board Monitor Dashboard Wide Display Screen 6913387
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Porsche Cayenne 92A Fuel Tank Gauge Right O/S Sender Control Unit TDI 7P0919673
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Part no. 8644492
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 2 Harness 8644492
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BMW E88 E90 E92 E93 Steering Switch Cluster Column Indicator Wiper Stalk 9123041
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Part no. 8516753
BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Mercedes W204 W212 Blind Spot Radar Sensor Rear Left Right N/O/S A0009050210
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Mercedes W117 W176 W205 SD Card Garmin Map Pilot Navigation Europe A2189063303
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Mercedes W203 CD Media Player Radio Audio Phone Head Unit A2038273842
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945146
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Skoda Octavia 5E Front Door Control Module Unit Driver's Side 5Q4959393B
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Antenna Amplifier Audi Q5 8R A6 C6 A5 8T Mobile Phone Module Unit 8J0035456A
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Audi A4 B7 On Board Fuse Box BCM Body Comfort Control Module ECU Unit 8E0907279L
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Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
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BMW 5 Series E60 E61 Front Left Seat Wiring Loom Harness Passenger Side 9142937
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Part no. 6903194
Bmw E46 Battery Negative Boot Cable Negative Earth 6903194
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Part no. F07 GT Rear Wiring Loom PDC
BMW F07 GT Rear Bumper Wiring Loom PDC Harness Parking Sensor
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Part no. 8609699
BMW i3 I01 Rex 60Ah Hybrid High Voltage Wiring Cable Wire 8609699
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Part no. 6943171
Module BMW E60 Body Control Module BCM ECU 61356947919 6943171
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Part no. 9325545
BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545
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Part no. A1779027906
Mercedes W177 Air Module System Control Unit Module Controller ECU A1779027906
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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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Part no. 7807530-3
BMW E60 E87 E90 120d 320d 520d Engine N47 ECU Kit DDE 7807530 CAS3 Key Automatic
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Part no. 5A3FD06
Amplifier BMW F87 M2 F80 M3 F82 F83 M4 Active Sound Design Control Unit 5A3FD06
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Part no. 6941589
BMW E60 Light Control Module Unit Lear LM E6X MAN.LWR Lear 6941589
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Part no. 8650793
BMW G11 G12 G20 HV Accumulator Battery Negative Ground Cable Wiring Plug 8650793
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Part no. 8513184-1
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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BMW F10 530d N57N 258HP Engine Control ECU Kit DDE 8516753 CAS4 Keys Automatic
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Part no. 03G906021KF
VW Touran 1T 2.0 TDI BKD 140HP Engine Module ECU Kit 03G906021KF Manual
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Part no. A1669007609
Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609
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Part no. 8578944
BMW F20 120d F30 320d N47N Engine Control Unit ECU DDE 8578944 Manual
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Part no. 8489449-2
BMW F36 LCI Petrol 420iX B48 Engine ECU Kit DME 8489449 Keys FEM Automatic
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Mercedes C117 W176 W246 Battery Positive Plus Pole Terminal Lead A2469067901
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Part no. 4G0906560
Audi RS6 C7 4.0TFSI CRDB 560HP Engine Control Unit ECU 4G0906560 Automatic
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Audi A6 C6 MMI Multimedia Sat Nav Navigation Control Head Unit 4E0035652A
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BMW F30 328i N20 245HP Engine Control Unit Module ECU Kit DME 7646763 FEM Key
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Audi A4 B9 2.0 TFSI CVKB 190HP Engine Control Unit ECU 06L907309A Automatic
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Mercedes W177 Door Wiring Rear Door Left N/S Module Harness Cables A1775401910
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Mercedes W205 Hybrid Battery Charger Connector Wiring Loom Harness A2055400627
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BMW E87 E90 M-Audio Sat Nav Radio Head Unit Navigation Business 6983845
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Mercedes W204 Front Crash Bar Impact Absorber Foam A2048853637
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Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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Sterling Power Battery-to-Battery Charger Unit Non Waterproof 12/12V 60A BB1260
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Volkswagen New Beetle 70s Tiguan Mk1 Radio Stereo Head Unit 3C8035195H
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Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
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Part no. A2069004216
Mercedes W206 Air Module Control Unit SRS A2069011706
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Part no. A6461541102
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Part no. 6961131
Light Control Module BMW E87 Footwell Control Module Unit 6961131
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Part no. 4F0919129C
Audi A8 D4 A6 C6 TV Tuner Digital Video Control Module 4F0919129C
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Part no. RHD-8K290612
Volkswagen VW Scirocco Mk3 Fuse Box Electrical Control Unit Module 8K290612
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Part no. 8P0035192S
Audi A3 S3 8P Radio Media GPS Nav Sat Audi Navigation Plus Unit 8P0035192S
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Part no. 9272368
Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9272368
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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 .