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      09-05-2019, 05:39 AM   #68
IMS-340MP
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Drives: 2018 340i MPPSK
Join Date: May 2018
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Quote:
Originally Posted by kern417 View Post
octane isn't as big of an issue as fueling for boost. you just need to keep afrs in control. you can run a lot of boost and less timing to make similar power.

boost limitation is based on fuel cap
timing limitation is based on octane

both have an efficiency range where going past the peak point will not make more power or could lose power.
I thought we agreed that better timing is more important than more boost

If power is the same why run higher boost and put stress on the components.

Also more boost will consume more fuel which will not combust properly as a result of the retarded timing which will lead to less efficiency.