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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BMW G30 F90 M5 Antenna Aerial Diversity Amplifier Unit 8703399
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Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
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BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
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BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
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Jaguar XF X250 Diesel Engine Starter Motor 12V DENSO 8X2311001AA
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Volkswagen VW Golf Mk7 VII Passat B8 Starter Motor Diesel Engine 02M911024B
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Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Audi A3 S3 Q2 RS3 Multimedia Navigation Card Reader Head Unit 8V1035035B
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CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
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BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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BMW E60 E65 E70 E81 E87 E90 F10 Engine Starter Motor 2354701
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Mercedes W907 Aux USB Port Socket A2478204102
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Citroen Relay 2.2 HDI Engine Starter Motor Diesel 9826048080
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BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Mercedes W177 A35 AMG 306HP 260.920 4Matic Engine ECU Control Unit A2649001200
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Mercedes W213 Multifunction Front Camera Control Unit A2139000323
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Mini Cooper R50 R53 Control Unit Module RPA Tire Puncture Warning 6801252
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BMW E93 Convertible Hall Sensor Trunk Boot Control Unit Module 6958127
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VW Volkswagen Polo 6N 1.4 APQ Petrol Starter Motor 085911023JX
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BMW 7 Series E65 E66 1 Rear Bumper PDC Ultrasonic Sensor Titansilber Silver 354
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Positive Cable Vauxhall Insignia Battery Starter Alternator Plus 13295310
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Part no. 06E911021D
Audi S5 8T A6 C7 Engine Starter Motor 3.0 TFSI Petrol CGWC 06E911021D
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Volkswagen Touareg Audi Q7 Water Cooled Alternator 190A 059903015P
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Part no. 7589971-10
BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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BMW 1 3 F20 F21 F30 F31 Parking Assistant PDC Control Unit Module 6851822
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Part no. A2059007147
Mercedes C205 Control Body Comfort Module Unit ECU A2059007147
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Part no. 9868384
Body Control BMW F22 F23 F30 F32 F33 F36 BCM Module Unit ECU 9868384
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Part no. 9263790-1
BMW X5 E70 LCI Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen Display 8.8" CCC
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Mini Cooper S F55 F56 B48C 192HP Petrol Engine ECU Kit 9897880 BDC + Key
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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 E60 Light Control Module Unit Lear LM E6X MAN.LWR Lear 6941589
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BMW 1 3 Series E81 E87 LCI E90 116i 316i N45N ECU Kit DME 7567321 + CAS3 + Key
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Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754
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Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Audi A8 D4 4H Rear View Reverse Parking Camera Module Control Unit 4S0907441B
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BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863
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BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990
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Mercedes W213 C238 Air Suspension Level Control Unit Module Airmatic A2139006016
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Airbag Module Citroen Berlingo Peugeot Partner Air Bag Control Unit 9803916880
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Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888
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Peugeot 307 Body Control Comfort Unit Module BSI Fuse Box 9651197480
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Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Mercedes W211 Negative Battery Terminal Cable Wiring A2115420418
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual
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Nissan Quashqai M9R Diesel Engine Control ECU Manual Gearbox 23710 JD78E
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Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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BMW F10 M5 F12 M6 Engine Wiring Harness Valvetronic Servomotor Cyl.1-4 7843335
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BMW E90 E91 N46 120i 320i 150HP Engine ECU KIT DME 7561834 CAS2 Key Manual
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Volkswagen VW Phaeton 3D Battery Relay Protection Solenoid Module 3D0919433
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BMW X5 E53 Radio Stereo Screen Multifunctional Display Head Unit 6914605
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Audi A4 B8 8K A5 8T Sound System Audio Amplifier Amp Unit 8T0035223AB
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Mercedes W166 Headlight Lamp LED Control Module Left Right N/O/S A2189009203
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Part no. CC1T-10300-CC
Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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BMW F90 M5 G01 G11 G30 KaFAS Camera Speed Control ECU Module Unit 9461797
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Mercedes W205 GLC X253 Distronic Radar Sensor Control Unit Module A0009059013
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Part no. A1699000400
Door Module Mercedes W169 W245 Control Unit Front Right O/S A1699000400
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Part no. A0345454332
Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
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Part no. 8H0972387
Audi A4 B7 Cabriolet Roof Motor Wiring Harness Wiring Loom 8H0972387
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BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Part no. 7559178-11
BMW E60 E90 E91 330i 530i N52 258HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267
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Mercedes CLS W219 Head Unit CD Player Navigation Radio Audio Unit A2119060700
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Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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Audi A3 8P Multimedia Interface Unit Module Bracket Mount 8P0035785
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BMW 5 Series F11 ECU Body Control Module V7 Junction Box PL6 JBBFE III 9284284
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Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
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BMW E63 E64 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 6982976
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Volkswagen Golf Mk7 1.6 TDI CLHA Engine Control Unit ECU 04L907309B Manual
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Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
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BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39
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BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP
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Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
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Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
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Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
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Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427
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SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Manual
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Part no. A2709002900-1
Mercedes X156 GLA200 M270.910 156HP Engine Control Unit ECU Kit A2709002900 Key
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Mini Cooper One R56 High PL3 SPEG DC/DC M3 Fuse Distribution Box 3453294
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VW Volkswagen Sharan Speaker Loudspeaker Front Door Left Right N/O/S 7N0035454A
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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 .