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. 7624048-1
BMW Z4 E89 23i N52N 204HP sDrive Engine ECU Kit CAS3 + Key 7624048 Manual
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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BMW Z4 Series E85 Sensor B-Pillar Airbag Right O/S 6933988
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Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
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BMW F10 F11 F01 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 9291449
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3452678
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Relay Mercedes SLK R171 5-Pin Electrical Plug White 12V A0035422019 R1808002
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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BMW Series E81 E87 E90 E91 Power Distribution Fuse Box Front 9119445
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Mercedes ML W163 Alternator Generator A0001502550
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Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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BMW E87 E90 E91 N46 118i 318i 120i 320i ECU DME Engine Control Unit 7565300
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9308364
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Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454
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BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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BMW 1 Series E81 E87 LCI N43 118i 143HP ECU Kit DME 7621178 CAS3 Key Automatic
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Key
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3455263
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
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Mercedes W207 E350 CDI BlueEfficiency OM642.836 Engine Module ECU A6429002900
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BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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Part no. 03L903024F
Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068203926
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BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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BMW 7 Series E65 E66 Sensor B-pillar Right Airbag O/S 6970892
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Part no. 2248296
BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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SAAB 9-3 1.9 TTiD ECU DDE Engine Control Unit Module 55568896
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Part no. 3Q0959435B
Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435B
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Volkswagen Touareg 7L Display Screen Multimedia Navigation Unit 7L6035177E
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Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Mercedes W166 W221 Auxiliary Additional Generator Battery A0049820008
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PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048704658
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Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black
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Footwell Module BMW E93 Light Control LCM PL2 FRM II 9166708
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698206926
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Part no. 9159812
BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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Mini R50 One 1.6i W10 90HP Engine ECU Kit DME + EWS3 + Key 7545789 Automatic
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Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
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Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
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Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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Part no. 3456051-4
Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Part no. 6958039
BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
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BMW E53 E60 E61 E65 E66 E83 Power Steering Speed Sensor 6777435
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Part no. 3455895
Mini Cooper One R56 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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Part no. 9259425
BMW F30 F31 F80 M3 F82 M4 Positive Battery Cable Plus Pole 9259425
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Part no. 9175652-1
BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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Part no. 9240530-1
BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Part no. 7810980-1
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Part no. A2049060205-3
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. A6401507934
Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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BMW Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3455534
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Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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Part no. 6927786
BMW X5 Series E53 Amplifier Compensator Holder Catch Bracket 6927786
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Part no. 9255135
BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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BMW E61 LCI Body Gateway Module KGM HIGH 27 D-Can LEAR 9197317
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BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8362337
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Ford Transit Mk7 Radio CD Player Head Unit Autoradio 6000 CD 8C1T-18C815-AA
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Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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BMW Z4 Series E85 Rear Bumper PDC Cables Wiring Loom Set 6925903
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Mercedes W176 A200 CDI OM651.930 136HP Engine Module ECU A6519009502 Automatic
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Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Part no. 9159813
BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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Part no. 8P0057186SX
Audi A3 8P Multimedia Stereo Sat Nav CD Player Radio Head Unit 8P0057186SX
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Dashboard Monitor BMW E60 E63 E90 E91 LCI Dash Display Screen 6,5" 9193758
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Land Rover Freelander 2 Display Screen Multimedia Navigation Sat 6H5210E958
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Ford Transit Connect Mk2 Diesel Starter Motor 8V21-11000-AE
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Peugeot 207 CD Player Radio Stereo Head Unit 96643697XT00
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Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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Part no. 3455539-2
Mini Cooper R55 R56 R57 2 Radio Boost CD Audio Player Head Unit 3455539
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Part no. 7808073
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432
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Part no. 9119493
BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 9119493
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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 .