[n55david]

Originally Posted by ODX7

I recently installed Stage 1 91 Octane on my 2014 435xi with almost 140k km's. I noticed some knock in the data logs but I'm not an expert at reading data logs and was hoping to get some feedback from you guys

Currently, I have an ER catless downpipe on the car with a VRSF charge pipe and I'm running Petro Canada 94 octane gas

https://www.bootmod3.net/log?id=60d1...90c612d650a7e2

This is the one I noticed a knock of 0.2
https://www.bootmod3.net/log?id=60d1...729b629d54ecc9

https://www.bootmod3.net/log?id=60d1...90c61363a09a29

Based on these logs, would it be a good idea for me to move to Stage 1 93 Octane and eventually Stage 2?

read Jeremy's post. none of this is usable for anything.

and fyi, knock events under regular driving are normal for the most part because of low rpm high load scenarios. don't worry about that.