Quote:
Originally Posted by pnosker
If anyone was interested-- M Sport 2013 335i with M Performance Exhaust in 14 F temperature, stock runflat summer tires
No tune: 0-60 5.0 sec
JB4 Stage 1: 0-60 4.7 sec
JB4 Stage 2: 0-60 4.4 sec
I tried several launches and the fastest was just putting it in drive and stepping on the gas. The traction was very low that day.
All times measured on a Passport GT1 G-Timer which I've used on my 135i at the strip and was within 2-3% accurate in the 1/4 mile in both MPH and time.
I will try again with no tune and Stage 2 when it gets warmer out.
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4.4 sounds very very suspicious, not saying you are BSing us but that seems awfully low for Stage 2 w/o a downpipe...even with one it sounds too good.