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. 8645326
BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Mercedes H243 EQA350 780.200 4-Matic Engine Unit ECU A6519009702 Automatic
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Mini Cooper One R50 Petrol W10 Engine Wiring Loom Harness Module 7533097
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Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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Mercedes W203 W209 Fuse Box Rear SAM Module Relay Control Unit A2035453801
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Mercedes W164 Gateway Control Unit Gateway Module ECU A1645403462
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BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Peugeot 207 1.6 HDI Diesel Engine Starter Motor Engine Unit 9646679980
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Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810
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Part no. 3413318
BMW E83 Light Control Module Lear LM MAN.LWR 3413318 61313413318
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Part no. 9803511080
Peugeot Partner Battery Starter Alternator Wiring Harness Cable 9803511080
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Part no. 7625474
MINI Cooper F55 F56 F57 F60 Battery Mounting Bracket Part Holder 7625474
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Part no. 2650917
Ford Transit Connect Engine Alternator Generator Unit Diesel KK3T-10300-BB
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Part no. 8X2310300CB
Jaguar XF250 3.0 306DT AJV6D Engine Alternator Generator 8X2310300CB
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Part no. A2749060400
Mercedes W204 W212 C207 M274 OM651 Starter Motor Engine Starter A2749060400
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Part no. 24011BB04A
Nissan Qashqai 1.5 dCi Diesel Engine Wiring Loom Harness 24011BB04A
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Part no. 7788680-3
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit
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Part no. 6905666
BMW E39 E46 Mini Cooper R50 EWS3 Control Unit 3 Immobiliser Module ECU 6905666
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Part no. 8Y0959760
Audi S3 8Y Front Seat Control Module Unit Left N/S 8Y0959760
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Part no. 9264944
Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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Part no. 7579142-14
BMW E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7579142 CAS3 Key Automatic
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Part no. 9258278
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Part no. 6925965-2
BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965
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Part no. 7355073
BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073
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Part no. 7531986
BMW X5 SERIES E53 3.0i M54 Engine Wiring Loom Harness Module 7531986
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Part no. A2129004830
Mercedes SLK R172 W212 Rear Fuse Box SAM Relay Control Unit Module A2129004830
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Part no. 3456952-2
Mini Cooper One R56 LCI Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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Part no. 02Z911023G
VW Volkswagen Touran 1T 1.4 TSI Starter Motor Petrol Engine Unit 02Z911023G
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Part no. 2751265-7
Cable Wiring Mini R55 R56 Headlight Lamp Front Left N/S Plug Socket 6913653
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Part no. 3448964
Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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Part no. 3450543
Mini Cooper R57 R57N LCI Roof Operating Unit Light Switch 3450543
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Part no. 6907646
BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
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Part no. A2198202326
Mercedes CLS W219 Door Module Front Left N/S Control Unit Module A2198202326
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. 5K0937084H
Volkswagen Sharan 7N Fuse Box Module Comfort BCM Control Unit ECU 5K0937084H
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Part no. 6987999
BMW 3 Series E91 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6987999
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Part no. 4E0035785B
Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
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Part no. 8512498-7
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Part no. 2354693-4
BMW 3 5 X3 Series 4 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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Part no. 6928935
BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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Part no. 9241694
Wiring Harness BMW F10 F11 Front Bumper PDC Wiring Loom Cable 9241694
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Part no. 0AH911023A
VW Volkswagen Touran 1T 1.2 TFSI CBZB Starter Motor 0AH911023A
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Part no. A2045458601
Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601
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Part no. 7492035
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Part no. A2129005000-1
Navigation Screen Mercedes W212 1 Head Unit Sat Nav Center Display A2129005000
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Part no. 4F0907247
Audi A6 C6 Keyless KESSY Entry Amplifier Box Module Aerial Antenna 4F0907247
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Part no. 6950814
BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Part no. 5Q0907530AF
Volkswagen Seat Skoda Audi Gateway Control Unit Module ECU 5Q0907530AF
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Part no. 02Z911023E
Volkswagen New Beetle 1.4 TSI Petrol Engine Starter Motor 02Z911023E
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Part no. A2098200085
Mercedes W209 Convertible Air Module SRS Control Unit ECU A2098200085
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Part no. 8200527320
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Part no. A0009053303
Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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Part no. 9205930-1
BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Part no. 7850599
BMW F80 M3 F82 M4 Wheel Accelerator Sensor Cable Rear Axle Suspension 7850599
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Part no. A0015404517
Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Part no. 7805098
BMW Mini Cooper One D R55 R56 Engine Starter Motor Diesel Valeo 7805098
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Part no. BK2T15K867DC
Ford Transit Custom Rear Bumper Parking Sensor Wiring Harness Loom BK2T15K867DC
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Part no. 6981050
BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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Part no. 3453634
Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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Part no. 55230143
Fiat Doblo Engine Wiring Loom Cable Harness 55230143
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Part no. A6421509089
Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
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Part no. 5Q0915181G
Volkswagen VW Golf Mk7 Negative Battery Terminal Cable Wiring 5Q0915181G
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Part no. 6933052
BMW E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC
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Part no. 8477121
BMW G01 G02 B47D Wiring Harness Engine Recuperation System Supply Module 8477121
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Part no. A1645402305
PDC Wiring Mercedes ML W164 Front Bumper Parking Sensor Loom Cable A1645402305
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Part no. 9344087
Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
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Part no. A0001139065
Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
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Part no. 3452166
BMW X3 E83 Air Module Control Unit ECU 3452166
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Part no. 6840399-1
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Part no. 4M0971228CH
Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Part no. 5A7A3B9
BMW U06 X1 U11 Gearbox Wiring Loom Transmission Cable 5A7A3B9
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Part no. 9159808-1
BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Part no. 7532964
BMW E46 E85 E87 E90 Petrol Alternator Generator BOSCH 110A 7532964
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Part no. 6976964
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Unit 6976963
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Part no. 9278074
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 9129850
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Part no. 7N0906093
Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
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Part no. 7711134330
Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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Part no. 068911024G
Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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Part no. A0038208286
Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Part no. 7553166
BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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Part no. 6948048
BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
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Part no. 4L0910223H
Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
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Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
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Part no. 7577068-1
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 + CAS3 + Key Manual
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Part no. 9167198
BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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Part no. 6912824
BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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Part no. 7595179-8
BMW E81 E87 LCI 120i E90 E91 320i N43 170HP Engine ECU DME 7595179 Automatic
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Part no. 6840399
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation Business GPS 6840399
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Part no. A2045400608
Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608
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Part no. 7588502-1
BMW Mini Cooper R55 R56 N12 1.6 Petrol Engine ECU Kit DME 7588502 CAS3 Key
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Part no. 7565300-11
BMW E87 E90 E91 120i 320i N46 150HP ECU Kit DME 7565300 CAS3 + Key Automatic
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Part no. 070906016BT-1
VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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Part no. A0205457832
Mercedes W140 Parking Control Unit Module Sensor A0205457832
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Part no. 6C1T-14B056-AD
Ford Transit Mk7 Airbag Module ECU Control Unit Air Bag 6C1T-14B056-AD
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Part no. 9646321880
Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880
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Part no. 7513983-2
Mini Cooper R50 Engine W10 116HP Engine ECU Kit DME 7513983 EWS Key Automatic
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Part no. 4G0907468G
Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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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 .