Oil Filler Cap - BMW (many models check fitment)The Genuine Engine Oil Filler Cap is an OES replacement component that provides the same performance, durability, and service life as your factory original equipment. Features and Benefits: OES replacement part for your vehicle's original factory component Offering the quality, reliability, and durability of OES Manufactured to OES specification for fit, form, and function

rubber-to-metal parts

These Twin-Flow High Performance Sports Catalytic Converters feature 200 cell per square inch substrate fashioned from the highest quality materials currently available designed to improve air flow for your vehicle and increase performance

Improved Airflow from Factory Airbox & Intake Tube

sophisticated

Choose from the available material and thread colors to give your interior a unique

- 5 Quarts of Liqui Moly DIESEL HIGH TECH (5w-40)

For those who want to push the factory turbos with a water/methanol injection kit and higher octane

Part #   357-407-625 / 357 407 625 / 357407625

As with any many intricate hardware development projects

Minor increase in NVH

You can purchase a replacement for 5" Air Filter HERE

with great response as a stock turbocharger but with durability for higher boost