93 Octane

Very unstable acceleration

Added 10 gph of 80/20 meth

Track off stop start

Jb4 / bef / pump map.

2009 335xi with front wheel drive OFF via xDelete. 87* F ambient. MHD Stage 1+ tune with CSK Performance FMIC. Turbos replaced with OEM at 50K and the car is now at 134K miles. All recently new NGK 5992 plugs (at 0.022"), pre-cat O2 sensors, vacuum lines, upper and lower aluminum charge pipes, HPFP, low pressure fuel sensor, intake valve cleaning and external PCV valve mod with catch can.