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      11-04-2012, 01:56 PM   #21
Lieutenant Colonel

BMW_Belgier's Avatar
Drives: E92 335xi n55
Join Date: May 2012
Location: Switzerland

Posts: 1,522
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Just a small note aside:

Higher temperatures will result in lower octane rates... So cars in need of 91, need 93 to work properly in high summer!

I don't know the ratio octane/temp...
BEFORE: 130i N52 (2006-2011)
NOW: 335xi N55 (2011- )