Quote:
Originally Posted by 21M235IXGC
Ok I'm not gonna quit .. I'm just gonna stop experimenting as much.
What I've learned :
JB4 map 1 = perfect all around map
JB4 map 2 = perfect in winter but way to much boost in summer and isn't worth the risk especially if it your daily car and it's very hot out . P.s don't EVER MESS WITH DWP LEAVE AT 0 ….
Bms intake - excellent cone style filter with built in velocity stack built into inverted style cone filter , definitely noticeable responsiveness and slight increase actual noticeable power gain on butt Dyno and sound is loudest of all 3 filters but nothing abnoxious .
Pipe cross filter drop in - sponge style filter doesn't hold its shape good and tend to now put , havent noticed anything different in logs to suggest any hp gain nor any real sound increase
Bmc drop filter - very very high quality k&n style filter ( made in Italy) , definitely noticed more flow and responsiveness and lil note sound
Supersprint mid pipe - nice quality 304 steel midpipe , have only used the non resonated pipe . Must cut stock exhaust at back end in the middle sent notch in oem pipe . Requires a 70mm oem bmw butt clamp to connect . Doesn't require but would suggest a new bmw oem vband clamp to connect by downpipe. Very loud even with stock exhaust , louder shift blips , exhaust gurgles and pos are way louder , deceleration pops are louder , definitely like it in combination with the JB4
Dte pedal box - excellent for increasing the pedal response , I usually run it with 1 red turned on , definitely reduces a lot of the pedal lag feel and if u like to just touch the pedal and having the car go vs having to put your foot all the way to the floor it's perfect
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Any drone on the mid pipe ? How much louder than stock was it over all and do you reckon a res delete would just achieve the same out come?