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 3 F30 LCI 330e Hybrid High Voltage Battery Storage Electrical Box 8687753
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Module BCM BMW E46 Body Control Unit Module GM5 6914362
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Mini Cooper R56 LCI R60 N16 1.6 Petrol Engine ECU Kit DME 7615981 + CAS 3 + Key
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Ford Transit Custom Rear Bumper PDC Cables Wiring Loom Harness JK2T-15K868-AB
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BMW 3 5 Series E60 E90 325i 525i N52 218HP DME ECU 7567178 Kit CAS3 Key Manual
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VW Polo Mk6 Display Screen Radio Multimedia Navigation Sat Unit 5NN919605B
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Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
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BMW F20 F21 LCI F23 118i B38 136HP Engine Control ECU DME 8662411 Manual
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BMW F10 520d CAS 4 Car Acess System Control Module Unit ECU CAS4 CG+ELV 9367377
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BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME 7574544 CAS3 + Key Manual
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Porsche Macan 95B Audi A8 D4 Starter Motor 12V DENSO 95860411300 06M911024
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BMW F20 F21 116i F30 316i N13 136HP Engine ECU Kit DME 7640755 2 Keys Lock FEM
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Porsche Cayenne 955 Radio Aerial Antenna Amplifier Unit Rear Left N/S 7L5035225S
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Volkswagen Golf Mk7 Rear Tailgate Boot Lid Wiring Adapter Loom 5G0971175C
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Audi A4 B8 Air Module Control Unit ECU Crash Control 8K0959655J
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Volkswagen Touareg Diesel Engine Starter Motor Actuator Starter 070911023C
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MINI Cooper One R56 PL3 SPEG H3 Fuse Distribution Box 3453296
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Door Module Mercedes CL203 W203 Front Left N/S Control Unit A2038201385
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Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
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Volkswagen VW Golf Mk5 Steering Wheel Position Angle Control Unit 1K0953549BK
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Mercedes-Benz S-Class W220 Battery Lead Cable Positive Pole A2205400030
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Mercedes A-Class W168 Door Cable Harness Wiring Loom Front Right A1685405008
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786
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Mercedes ML W166 Pneumatic Air Supsension Module Control Unit A1669009518
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Radio Tape Player Jaguar XJR XJ6 X300 Audio Control Unit Cassette AJ9500R
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Ford Transit Mk8 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BD
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Mercedes C118 W177 W205 Bluetooth Control Module Mobile Phone ECU A2389000705
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Fuel Pump Module Mercedes W176 W204 C207 W212 W246 Control Unit ECU A0009001704
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Mercedes Sprinter W907 W910 Door Module Control Unit Front Left N/S A1679002108
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Mercedes W166 Petrol Engine HV Battery Earth Ground Line Cable Wire A1665400141
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Mercedes-Benz C CLK W202 W208 Fuse Box Relay Control Unit Electric A2085450140
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Mercedes SLK R171 Air Module System Control Unit ECU A1718206526
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Ford Transit Connect Door Module Front Right O/S Control Unit ECU DV6T14B531BD
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BMW F30 F31 335dx F33 F36 435dx N57Z 313HP Engine ECU DDE 8473190 Automatic
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BMW X5 Series E53 Rear Third Stoplamp Stop Lamp Brake Light White 6923970
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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701
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Mercedes-Benz W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Head Unit Mercedes W205 Vito W447 W470 Sat Nav Control Unit A2059000241
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Audi A1 8X A3 8V 1.4 TFSI CZCA 125HP Engine Control Unit ECU 04E907309BH Manual
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Audi S4 B8 Aerial Antenna AMP Amplifier Booster Unit Module 8T0035223F
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Audi A3 8V 2.0 TFSI Quattro CZPB 190HP Engine Control ECU 06L907309B Automatic
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Audi A1 8X 1.4 TFSI CZCA Engine Wiring Harness Loom Manual Gearbox 04E971612BD
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Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 8P0953549C
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Ford Transit Connect Mk2 Glow Plug Wiring Harness Engine AV6Q6M0
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Mini R56 LCI R60 Radio MINI CD Player Head Unit Controller 3456363
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Mercedes C219 Fuse Box Rear Relay Control Unit Module A2115456701
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BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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BMW 5 6 Series E60 E63 LCI Petrol N53 Wiring Loom Harness Engine Manual Gearbox
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Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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Mini Cooper D R55 R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 CAS 3 Key
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Air Module BMW E65 E66 Sensor B-pillar Right O/S Control Unit Air 6960222
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BMW F20 116i F30 316i 136HP N13 Engine ECU Unit DDE 8591073 Manual
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Mercedes W205 C63 Petrol Engine 14V 200A Alternator Generator Unit A0009061705
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Door Module Mercedes W221 Front Door Right O/S Control Module A2218704795
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Mercedes W212 CLS W218 W246 Sound Audio Amplifier Harman Becker A2189007605
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PCU Module BMW X3 G01 X4 G02 Power Voltage HBPO Control Module PCU Unit 5A45C32
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Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691 Key
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Mini One R50 W10 90HP Engine Control Unit ECU Kit DME 7545789 + EWS + Key Manual
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Honda CBR F3 Battery Box Tray Covering Housing Trim Holder Bracket 50325-MAL-600
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Audi A4 B8 Head Unit Radio CD Player Symphony Stereo Audio Player 8T2035195
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Part no. 7588502-2
BMW Mini Cooper R55 R56 N12 1.6 Petrol Engine ECU Kit DME 7588502 CAS3 + 2 Keys
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8517874 + Key + FEM + Lock Manual
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BMW 7 Series F01 LCI ECU Body Control Module Junction Box JBBFEIII V5 9286940
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Mercedes W447 Radio CD Player Stereo Navi Media Head Unit A4479008905
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Part no. Bosch S4 005 60Ah Accumulator
Bosch S4 005 Accumulator Battery 60Ah 540A 12V
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Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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VW Volkswagen Golf Mk7 1.6 TDI CLHA Diesel Engine Starter Motor 02Z911024L
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Radio CD Player Mercedes W211 CLS C219 COMAND Navigation Head Unit A2118202897
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Mercedes W207 A207 Convertible Roof Module Folding Top Control Unit A2079004200
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Mercedes-Benz A C W169 W204 Battery Negative Earth Cable Wiring A2045421418
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BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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BMW F20 F21 LCI F23 GPS Navigation Display Screen Android Auto CarPlay 10,25"
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Mini Countryman R60 Footwell Light Control Module LOW ECU PL3 FRM III 3456986
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Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
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BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9308364
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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BMW F30 F31 F32 335dX 435dX N57 313HP Engine Module ECU DDE 8582190 Automatic
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BMW E60 E63 E64 On-board Navigation Monitor Display Screen 6,5"
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Mercedes W211 Seat Memory Control Unit Module Front Right O/S A2118700726
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Gateway Module Audi A3 S3 8P Diagnostic Interface Control Unit ECU 7N0907530AB
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702
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BMW E81 E87 LCI E90 E91 N43 118i 318i ECU Kit DME 7583225 CAS3 + Key Manual
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Ground Cable Mercedes C238 Fuse Box Wire Prefuse Box Wiring A2135402870
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Volkswagen Golf Mk5 1K GTI 2.0 TSI BYD 230HP Engine Unit ECU 1K0907115T Manual
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BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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BMW F20 F21 F22 MMI Display Central Information Infotainment Screen 8,8" 9281686
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Fuse Box Mercedes W176 OM607 Front Relay Control Unit Module A2469060093
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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 .