The factory M3/M4 intake, while functional, could use some improvement. If you consider yourself a BMW enthusiast – or a car enthusiast, for that matter – then you understand the innate importance of these two things: intake noise and carbon fiber. Turner’s S55 intake gives you both of those things, while maintaining a great fit and finish that integrates seamlessly with OEM inlet ducting and stock mounting locations. While engineering this intake, Turner meticulously collected data to ensure MAF scaling matched factory intake exactly in order to maintain correct AFRs. The 2×2 twill weave carbon fiber inlet tubes are available in either matte or carbon finish – if you’re looking for a more economical option, Turner also offers aluminum inlet pipes for a lower cost. Using the carbon fiber intake lids does reduce intake temperatures compared to running the open filter setup.
NOTE: Photos are of prototype intake, there may be some slight differences in finish – i.e. heat shields will be wrinkle black powdercoated, not raw.
Product details:
Carbon Fiber intake Tubes:
- Design allows clearance of fan shroud, coolant hoses, and front of the engine bay.Â
- Features gradual transitions to avoid sharp bends and maintain constant cross sectional area from the MAF
- MAF scaling matches factory intake to ensure correct AFRs
- MAF sensor flange and vacuum line port machined from 6061-T6 black anodized aluminum
- 2×2 twill weave carbon fiber, available in either matte or gloss finish, featuring clear coat for UV protection
Heat shields:
- One piece aluminum design
- Wrinkle black powder coated
- Provides barrier for hot air to be pulled into the intake
- Supplied pre-cut gold heat tape
- Heat shield mounts in stock location with supplied hardware
Carbon Lids:
- 2×2 twill weave carbon fiberÂ
- Reduces intake temperatures compared to running open filter
Air Filters
- Conical hi-flow reusable
- 8 ply oiled cotton gauzeÂ
- Bellmouth filter flange inlet to reduce turbulence in order to maximize flow
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