Quote:
Originally Posted by SwankPeRFection
They need to get an M4 with CSL coding to test before they just push shit out expecting it just work because it worked before.
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He said he bought second hand - why would you suggest Burger "pushed" it on him in a negligent fashion? JB4 was tested on a CSL over a year ago, dyno and track (road and 1/2 mile), and of course street. The symptoms OP describe are curious because piggy-backs do not interact with the transmission software. Not saying there isn't something there, but agree with current firmware update.
Edit: their M4 test car is running trans software. Granted, not CSL, but worth considering
From their recent X post:
Burger Motorsports
@burger_tuning
Jason @ BMS got the best trap speed of 167.47 mph in the standing 1/2 mile! Shift S3ctor Airstrip Attack at Chuckwalla Valley Raceway in our JB4 Tuned M4 Comp.
Mods:
S58 JB4 Locked ECU
BMS S58 top mount intakes
Fuel-It! Port Injection
xHP trans flash
E50 fue