E90 323i tires

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tIANcI;801676 said:
Extra 2 hp with KnN filter
And then the guy running the dyno shop tells me, the dyno machine has a tolerance level of +- 5whp based on weather condition. So the 2 extra HP also dunno whether to count it in :p

*cabutz*
 
tIANcI;802007 said:
Mavik ... Change in air temp, air pressure etc
Okla, the air temp and pressure almost quite close because the dyno machine is inside the shop. If it is outdoor that plays a bit more factor. But then again I look at my dyno chart and see 32% humidity and I am questioning "sure or not" because our country's humidity is a lot higher!
 
Air temp certainly plays a factor. Cooler temp leads to higher density air.. more oomph! Dyno first thing in the morning :biggrin:
 
mizhan;802204 said:
Air temp certainly plays a factor. Cooler temp leads to higher density air.. more oomph! Dyno first thing in the morning :biggrin:

Climate controlled room? Set temp at say ... 20C? Hehehe
 
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