N54 N55 Flex Fuel Sensor Short Engine Bay Line Upgrade

Looking to add flex fuel integration to you N54 or n55? Our short engine bay kit replaces the factory short soft line from the HPFP to the factory hard line under the drivers foot well. Included is a GM Ethanol E85 content Sensor & wiring harness.

Running e85 will require specific tuning for this fuel type.
To read from the ethanol sensor will require and Ethanol content guage or integration via MHD and the Motive Flex fuel Box for the N54 335i or 135i.



Will fit the following vehichles equipped with either N54 or N55 Engines.


1' E88   (09/2009 — 10/2013) 135i
1' E82   (09/2009 — 10/2013) 135i
3' E90   (03/2006 — 09/2008) 335i 335xi
3' E90 LCI   (09/2009 — 12/2011) 335i 335xi
3' E91 LCI   (09/2009 — 05/2012) 335i
3' E92 LCI   (11/2008 — 06/2013) 335i 335xi
3' E93 LCI   (11/2008 — 10/2013) 335i
X1 E84   (04/2009 — 04/2015) X1 35iX
X3 F25   (07/2009 — 08/2017) X3 35iX
X4 F26   (06/2013 — 03/2018) X4 35iX X4 M40iX