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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - New England > Stp Octane Boost In 2003 530i

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      02-05-2012, 11:06 AM   #1
Drives: black bmw 530i
Join Date: Feb 2012
Location: portsmouth, ri

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Stp Octane Boost In 2003 530i

I put stp octane boost in my 2003 bmw 530i with my last fill up of 93 octane gas. Since then, I have driven about 30 miles and i can smell a burning smell when stationary. The engine does not appear to be overheating. Should I siphon the gas out? Or is it safe to run the tank empty? Will I fry the catyltic converter?

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