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. 6958039
BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
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Seat Leon FR 5F Dashboard Multimedia DIsplay Sat Nav Screen 5F0919606
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Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
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Mercedes V251 SAM Body Control Module Rear Unit A1649007000
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Manual
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BMW F10 M5 F12 M6 Ignition Engine Wiring Harness Ignition Module Cyl.5-8 7843326
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Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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BMW E91 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9267421
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Ford Mondeo MK4 Galaxy MK3 1.8 TDCI Diesel Engine Starter Motor 6G9N11000EC
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Rear Bumper PDC BMW F20 F21 F22 Ultrasonic Sensor Tiefseeblau Deep Sea Blue A76
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Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K
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Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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BMW F30 F31 F32 Bluetooth Player Unit Radio Professional CD 9290989
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BMW X3 E83 LCI 2.0d N47 177HP Diesel Engine Control Unit ECU DDE 7811999 Manual
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Fuse Box MINI R56 LCI Cooper One PL3 SPEG H5 Distribution Control Unit 3456852
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BMW X5 X6 E70 E71 CCC CD Professional Navigation System Controller 9159047
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Audi A4 B7 Starter Motor Engine Diesel Bosch 0001125053
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Mercedes Sprinter W907 4-Pin Relay V23074-H1605-X123 A0019820823
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Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691
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Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C
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BMW 1 Series E87N LCI Light Module LOW LCM Footwell Module PL2 FRM II 9166706
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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Mercedes W204 C180 Kompressor 271.952 156HP Engine Control Unit ECU A2711504879
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Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
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BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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BMW E46 318i M43 118HP Engine Unit ECU Kit DME 1430940 EWS3 Key Manual
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Audi A7 4G PDC Sensor Wiring Loom Harness Cable Front Bumper 4G8971095C
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Mercedes W211 Central Gateway Module Control Unit A2115405645
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BMW 1 3 E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708093
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Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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VW Volkswagen Golf SV Gateway Control Unit Module ECU GW MQB High 3Q0907530L
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Rain Sensor Peugeot 3008 5008 Citroen C5 Windscreen Light Unit 9674436980
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BMW X3 E83 2.0i N46 150HP Engine ECU DME 7561834 Manual
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BMW 3 Series E90 E92 E93 M3 LCI Control Unit For Fuel Pump ECU 7842024
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Mini Cooper SD ALL 4 R60 N47N 143HP Diesel Engine ECU DDE 8519663 Manual Gearbox
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BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 Automatic
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Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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Mercedes-Benz C W203 Front Left Right Door Wiring Loom Harness A2035407608
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Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
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BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE 7805349 Manual Transmission
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness 3452217 3452220
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VDC Module BMW F31 Touring Air Suspension Level Control Unit 6860729
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Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8585225 BDC Key Manual
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BMW E60 E63 LCI E65 Light Control Module LCM LM2 LMII E6X LWR
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Mercedes Sprinter W906 Door Module Front Right Control Unit A9068203926
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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Ford Transit MK7 Diesel Engine Wiring Loom Harness Cable CK3T12B637GAF
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Part no. 6980246
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6980246
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Audi A4 B8 2.0 TDI Alternator Mount Tensioner Pulley Bracket Support 03L903143K
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Part no. A1695405645
Mercedes W169 SAM Control Module Fuse Box Unit A1695405645
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65126957351 6957351
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CD Changer BMW E60 E61 E63 E64 6-disc Without Magazine 6949694
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Part no. 04L911024A
Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
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Part no. 8K0907064EB
Audi A5 8T Body Control Comfort Unit Module BCM Unit ECU 8K0907064EB
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Part no. 6942507
Mini R52 R53 Battery Cable Wiring Lead Positive Plus Pole 6942507
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Audi Q5 8R Multimedia Radio Control Module Head Unit 4G0035061Q
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Part no. 9165211
Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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BMW 3 5 Series E30 E34 E36 Radio Business RDS Cassette Player 9410692
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Audi Q7 4L 3.0 TDI Automatic Gearbox Module Control Unit ECU Diesel 0C8927750AL
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Mini F56 Interior Electrical Cable Excitement Package Wiring Harness 6809545
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Mini Cooper F55 F56 Navigation Sat Nav NBT HU DAB Head Unit High 9365758
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Mercedes GLC X253 Rear Bumper Wiring Loom PDC Harness Parking Sensor A2535402605
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BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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Renault Trafic Vauxhall Vivaro 1.6 dCi Diesel Alternator Generator 231008633R
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 + 2 Keys
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Mini R55 R56 R58 R59 R60 Fuse Box Relay Electrical System Distribution 9213372
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Control Unit BMW F07 F10 F11 F12 F13 F25 Air Module ECU Unit Continental 9385025
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BMW 1 3 5 Series E60 E81 E87 LCI E90 Hands-free Bluetooth Module High MULF2
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Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
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BMW F10 PDC Rear View Backup Camera Control Module Unit ECU 9288002
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BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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MINI Cooper R50 R52 1.6i W10 116HP Engine ECU Control Unit DME 7539808 Manual
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Audi A4 B7 1.8T BZB 163HP Engine Control Unit Module ECU Set 8E0909518AQ
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Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 9366112
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Part no. 13579668
Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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Part no. A2095452001
Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Audi A3 8V 1.6 TDI DGTE 115 HP Engine ECU Kit Ignition + Key 04L907445G Manual
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU 8C1112A650CC
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Part no. 6792626
BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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Part no. A6291501933
Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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Part no. 7834495
BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Part no. A6461502072
Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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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 .