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 E60 E61 E63 E64 E65 E66 Air Recirculation Control Sensor AUC
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895
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BMW G01 G02 B47D Wiring Harness Engine Recuperation System Supply Module 8477121
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PDC Wiring Mercedes ML W164 Front Bumper Parking Sensor Loom Cable A1645402305
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
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Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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Seat Module Mercedes W204 W212 Control Unit Front Left Right N/O/S A1729006903
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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BMW E46 E85 E87 E90 Petrol Alternator Generator BOSCH 110A 7532964
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BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Unit 6976963
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Fuel Pump Module VW Volkswagen Sharan 7N Fuel Sender Control Unit ECU 7N0906093
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Audi Seat Volkswagen Polo 6N Turn Signal Hazard Light Relay 191 1H0953227
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Renault Master 2 Opel Vauxhall Movano A 2.5 DCI Engine Starter Motor 7711134330
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Volkswagen VW Passat B5 TDI Diesel Engine Starter Motor Actuator 068911024G
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Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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BMW E60 E63 E90 N52 330i 530i 630i Engine Control Unit ECU DME 7553166 Automatic
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BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
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Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
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BMW E46 E53 Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 9131852
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BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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BMW E81 E87 LCI 120i E90 E91 320i N43 170HP Engine ECU DME 7595179 Automatic
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Mercedes W204 Front Bumper PDC Wiring Parking Loom Harness A2045400608
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BMW E87 E90 E91 120i 320i N46 150HP ECU Kit DME 7565300 CAS3 + Key Automatic
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VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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Ford Transit Mk7 Airbag Module ECU Control Unit Air Bag 6C1T-14B056-AD
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Peugeot 307 Citroen Berlingo Diesel Engine Alternator Generator 9646321880
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VW Golf Mk7 Wiring Loom PDC Front Parking Distance System Harness 5G0971095N
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Mini Cooper R50 Engine W10 116HP Engine ECU Kit DME 7513983 EWS Key Automatic
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Audi A7 4G8 Central Gateway Control Lear Module Unit ECU 4G0907468G
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Audi A3 8P 1.6 TDI 5 Speed Manual Diesel Engine Starter Motor 02Z911024A
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Audi A4 B9 A5 F5 Steering Column Lock Mechanism Control Unit 3Q0905861C
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Audi A6 C7 A7 4G 2.0 TDI Starter Motor Diesel Engine Denso 059911024P
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Mini Cooper R57 R58 R59 Microphone Hands Free Telephone 9167397
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Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
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Volkswagen VW Crafter Battery Lead Positive Cable Plus Pole Wiring VW9065400105
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Mercedes W205 C220d 651.921 170HP BlueTEC Engine ECU Kit A6519000603 Key SAM
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Antenna Amplifier Mercedes CLS C219 Pillar C Left N/S Aerial Module A2198200089
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Starter BMW E60 Starter Motor Bosch 7515391 0001108401
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BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7575665 CAS3 + Key
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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BMW X3 X5 E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Alternator Generator Mini R56 Petrol Engine Motor Bosch 150A 7553009 DRA0214
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BMW 7 Series E65 E66 Front Bumper PDC Loom Cables Wiring Set 6945505
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459G
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BMW E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Air Module BMW F20 F21 F30 F31 Control Unit 6826984 0285013630
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BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
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Mercedes-Benz M-Class ML W163 Fuel Pump Bracket Holder Housing A6110920140
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BMW F45 LCI 220i B48C 192HP Petrol Engine ECU DME 9897880 + BDC + Key Manual
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BMW F10 F11 530d N57 245HP Engine Control ECU Kit Module DDE 8510643 CAS4 Key
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Mini R50 R52 R53 Radio Boost CD Player Unit Head 6941509
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 Cigarette Lighter Socket 6973036
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Mercedes W163 Air Module System Control Unit Module ECU A1635422918
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BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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BMW E39 Radio Business Cassette Player 6958566 8377005
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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BMW X5 E53 3.0i M54 Wiring Loom Harness Engine Automatic Gearbox 7531992
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Mercedes Class W221 Rear Fuse Box Control Unit Module SAM A2219006902
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Part no. 9192665
BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665
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Part no. 7532140-4
BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Mercedes C207 E250 CDI BE OM651.911 Engine Unit Module ECU Kit A6519005301 Key
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Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426
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Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU
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Starter Motor Mercedes W213 C238 C253 M274 Petrol Engine Actuator Denso DSN1205
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Steering Lock Mercedes W176 W246 Control Unit Module VST A0999000400
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Module Land Rover Freelander 2 ECU Front Door Lock Control Unit 6G9T-14B533-EL
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BMW E87 E90 Navigation Controller DVD M-ASK Business System Head Unit 9149232
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Audi S8 D3 Multimedia Display MMI Mechanism Carbon Fiber Look 4E0919603K
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Audi A5 8T 3.0 TDI CLAB Diesel Engine Starter Motor 059911021K
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
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BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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Mercedes W212 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2128205313
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BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
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Mercedes Vito W639 Suspension Level Control Unit Module ECU A6394460317
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Mercedes W219 CLS350 CDI OM642.920 Engine Module ECU Kit A6421501230 Key Lock
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Seat Ibiza Volkswagen Polo Mk5 6R 1.2 Petrol Alternator Generator 03D903025J
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Mercedes W176 W245 Front Left N/S Door Wiring Loom Harness A2465403805
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Mercedes W221 Bluetooth Module Multimedia Control Unit ECU A2168206526
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Part no. 9197161
BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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Part no. 7520019-10
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 7550967
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
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Peugeot 5008 2.0 HDI Diesel Injector Wiring Loom Cable 968824678
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Battery Cable Volkswagen VW Golf Mk6 VI Positive Plus Pole Lead 3C0971228K
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Mercedes Sprinter W907 Battery Power Distributor Current Limiter A9079060100
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BMW F30 F31 F32 LCI 330dX N57N Engine Gearbox Module Wiring Cable Loom 8578498
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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 .