View Single Post
Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
Posts: 20,666
Join Date: Oct 2012
Car: 135i
Default 06-22-2021, 01:08 PM

This doesn't sound like a JB4 issue as it's not active at idle. Can you take a log of the issue so we can see it and verify the JB4 functionality? Be sure to uncheck "log heavy throttle only".

Click on our banner to visit our website!
Video of our Stage 2 LPFP upgrade installation.

BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
Reply With Quote