TTFS E46 M3 CSL Style Rail and Map Sensor
The TTFS vacuum rail is the best alternative for enthusiast looking to upgrade from an Alpha N tune to a more smooth and oem feeling tune for their CSL style carbon fiber airbox. Our rail allows the car to run using a map sensor making your US spec car once step closer to the European CSL model. The TTFS vacuum rail has be combined with a converted or a CSL ECU in order to be operational. Choose your price depending on the various core exchange options we offer.
Tuningtech FS Rail
Tuningtech FS Map sensor
This set up may be used for both Force Induction or Naturally Aspirated applications. You may combine it with our CSL ECU upgrade for the ultimate package and CSL readiness.
Free shipping in the U.S.! International shipping charges will apply.