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Old 01-22-2012, 10:30 AM
DerStig DerStig is online now
Officially Welcomed to the 'Fest
Location: East
 
Join Date: Jan 2012
Posts: 174
Mein Auto: 2015 F80 M3
Quote:
Originally Posted by kckc1016 View Post
Just curious to know if any of you guys put below 93 grade in your 5's. I got a 535 and ive put nothing but 93 in them but seems like some have put 87. Any drawbacks to putting regular in?
Never, 91 at a minimum.
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