91 Octane

4.5k rpm 70% throttle

91 oct MHD stage 1 tune MST intake Muffler Delete Log was created under light load (normal driving)

2011 535i Xdrive, 97k miles. PWG. 91 oct stage 1 MHD tune MST intake Muffler delete 57f outside temp Everything else stock started the log in 3rd around 2500RPMS 100% throttle after before lift to stop

4k rpm 50% throttle

- Cobb Stage 1+ Redline OTS - Cobb Redline Intake - Nameless Axleback

Pulls strong no issues.