[BimmerFan]

I have JB4(all else stock) on my car for over 1500 miles now. My car is a 2014 335i ordered in October last year and arrived in December. Installed JB4 after 1200 miles on the car and have had absolutely no problems..knock on wood. I run map 2 full time since I use only 93 octane. The car pulls like crazy in every gear and RPM...and smoothly while doing so. I came from an E39 M5 with a tune making 420 hp and 385ft lbs of torque naturally aspirated V8. Man, I feel this f30 is quicker. The only thing I am getting use to is the turbo engine character..trully different from N/A. Just want to chill for a bit before I get the flex fuel wires and tinkle with E85 and map 7.