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. 9175866
BMW E60 E61 Front Right Door O/S Wiring Cables Harness 9175863
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BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009
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Mini R55 R56 R58 R59 R60 Fuse Box Relay Electrical System Distribution 9213372
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
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Ford Fiesta Mk7 Transit Relay 4-Pin FoMoCo Unit 8V5T-14B192-AA SET X3
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Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Audi A8 D4 Alternator Generator Electrical Unit 3.0 TDI Diesel Engine 059903019H
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BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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Seat Module Mercedes W164 W203 W211 C219 Front Memory Control Unit A2118704585
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Audio Amplifier BMW F20 F21 F22 F23 Top HiFi Harman Kardon Control Unit 9343739
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BMW E60 E61 Air Module ECU Control Unit Gateway Module 6943085
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Relay Box BMW E60 E61 E63 E64 Rear Power Distribution Fuse 6906558
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Automatic
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BMW X1 E84 20dX N47 177HP Engine Control ECU Kit DDE 8512498 Automatic
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Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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Seat Ateca Mk3 Headlight Module Headlamp Ballast Left Right N/O/S 7P5941591AH
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Rain Sensor Mercedes SLK R172 W204 Front Windscreen Control Unit A2049017901
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Audi A3 8Y LED Headlight Headlamp Ballast Control Module 4K0941572CS
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BMW E81 E87 E90 E91 E92 LCI Combox Telematics Module Navigation 9251748
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Ford Transit Custom Mk8 Rear View Reversing Top Camera Unit KK3J-19J226-BA
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Ford Transit Mk7 Handbrake Wiring Cable Battery Wire Cabling 6C1T-14K076-CC
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Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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Audi Q2 GA Wireless Charger Centre Console Phone Charging Module Unit 4N0035502B
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6952986
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Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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Part no. 7613226-4
Mini R60 ALL4 N18 184HP Control Unit ECU DME Kit 7613226 + Key + CAS3, Manual
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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BMW 1 3 5 Series F10 F20 F30 Wiring Harness Motor Sensorsystem Module Petrol N20
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BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
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Porsche Cayenne 9PA Comfort Convience Module Control Unit ECU 7L5959933A
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Part no. 2757722
Mini Cooper R57 R58 R59 Control Unit Module Bracket Holder PGS 2757722
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Footwell Module Mini R56 Cooper Light LOW EKS ECU PL3 FRM3R Lear 3456034
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Mini Cooper R56 LCI Footwell Light Module LOW EKS ECU PL3 FRM3R Lear 3456951
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Audi A3 8P 2.0 TDI 170HP CBBB Engine ECU Unit Kit 03L906022FD Key + Ignition
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BMW 3 5 Series E60 E90 Dashboard Onboard Monitor Display Screen 8.8 CCC 6957343
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BMW X5 E70 X6 E71 Control Unit Dynamic Drive Front Axle Suspension 6792659
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BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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BMW 1 Series E81 E87 LCI Positive Battery Lead Cable Wiring
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BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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BMW X3 F97 G01 X4 F98 Led Light Daytime Running Module Control Unit DRL 7466102
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Part no. 9170702-1
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Part no. A0131541002-1
Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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BMW E81 E87 E90 LCI 118d 318d N47 Diesel ECU KIT DDE CAS3 Key 8506375
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Peugeot 3008 1.6 HDI T84 DV6-C Engine Control Unit Module ECU 9675391480 Manual
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BMW E64 Air Module ECU Control Unit Centre Vehicle Sensor 6976466
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Seat Heating Sensor Mercedes W209 W211 W220 Left N/S Control Unit A2208203226
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Audi A5 8T Diagnostic Interface Gateway Control Module Unit ECU 8R0907468F
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Part no. 7600020-6
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600020 Automatic
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BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
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VW Golf VII 2.0 TFSI DJHA 310HP Quattro Engine Unit ECU Kit 06K907425B Automatic
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BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual
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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
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Part no. 9390485
BMW X1 E84 E60 E61 E63 E64 Body Gateway Light Control Comfort Module 9390485
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BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier A83 Silver Set
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Audi A3 8P Body Control Comfort Unit Module BCM Unit 8P0907279C
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Part no. 9805654
Mini Cooper R60 R61 Trailer Towing Control Module Cover Bracket 9805654
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Part no. A1645402830
Mercedes ML W164 Battery Positive Cable Wiring A1645402830
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Part no. 6759599
BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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Seat Ibiza IV VW Touareg 7L Phaeton 3D Headlight Control Module Unit 7L6907357C
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Part no. 3453891-1
Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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Part no. 5N0959655A
Volkswagen Tiguan 5N Air Module Control Unit ECU Module 5N0959655A
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Part no. A6519007500-1
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic
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Mercedes W176 A200 CDI OM651 136HP Engine Module ECU Unit A6519007003 Automatic
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BMW F20 F21 F22 F30 Radio BMW Professional CD DAB Player Controller 9341082
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Part no. 3C8937049D
VW Volkswagen Touran Body Control Comfort Unit Module BCM 3C8937049D
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Part no. 9813621
Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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Part no. 5F0919604A
Head Unit Seat Ibiza 6J Leon 5F Audio Radio Player Sat Nav Navigation 5F0919604A
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Part no. 6910539
BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Mercedes SLK R172 W212 Rear Fuse Box SAM Relay Control Unit Module A2129004830
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Part no. A6519003203
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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Part no. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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VW Volkswagen Tiguan 5N Air Module Control Unit ECU 5N0959655R
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Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Porsche Cayenne 9PA Gateway Control Module Unit 3.2 V6 7L5907530A
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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High Voltage Inverter BMW i3 I01 Hybrid 60Ah Rex Electrical Machine Electronics
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Audi TT 8J Tyre Pressure Control Module Unit 8J0907274
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BMW F12 F13 F20 F21 Alternator Generator 14V 210A N55 Petrol Engine 7591529
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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Ford Transit Connect 1.8 Diesel Engine Control ECU Module Manual 4S4112A650BC
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BMW E46 GM V Body Control Unit Module Junction Box 6907657
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Audi Q7 4L Radio Multimedia Receiver Control Module Unit 4E0035541S
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Part no. 4L0941329
Audi Q7 S LINE Headlight Power Control Unit Module 4L0941329
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Part no. A0001502550
Mercedes ML W163 Alternator Generator A0001502550
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Part no. 9230451
BMW 1 Series E87 LCI ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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Part no. 7N0843638
Volkswagen Sharan 7N Sliding Door Catch Upper Locking Plate Right O/S 7N0843638
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Part no. 8385223
BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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Part no. 8K0907364A
AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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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 .