1rotty 40 Report post Posted April 2, 2012 Anyone have opinions on the pros & cons Of running av gas or race fuel on trackdays. 328 e30 & e36 m3. Only those in the know please Quote Share this post Link to post Share on other sites
Silver Fox 43 Report post Posted April 2, 2012 No point or gains without higher compression and full remap of ECU. Quote Share this post Link to post Share on other sites
oscar90 0 Report post Posted April 2, 2012 OT i know but E36 M3 E30 328i and a 6spd 540i god damn!, dont ever leave me in your garage alone, you might end up minus afew things! Quote Share this post Link to post Share on other sites
thorburn 120 Report post Posted April 2, 2012 Not going to do anything for you The higher octane is necessary for higher compression engines and some turbo engines. This is because these engines are knock limited while using lower octane fuel Quote Share this post Link to post Share on other sites
No name user 379 Report post Posted April 2, 2012 correct me if im wrong but i thought it was a banned fuel by MANZ Quote Share this post Link to post Share on other sites
1rotty 40 Report post Posted April 2, 2012 Thank you gents-thats all i need to know. Lol Andrew Quote Share this post Link to post Share on other sites
CamB 48 Report post Posted April 2, 2012 And to round it out... avgas is leaded and bad for o2 sensors. Makes exhaust pipe an awesome grey though. Quote Share this post Link to post Share on other sites
Greg111 13 Report post Posted April 2, 2012 The 328 hasn't got either and the M3 soon to be like wise. Quote Share this post Link to post Share on other sites
CamB 48 Report post Posted April 2, 2012 No o2 sensors on the m3? Quote Share this post Link to post Share on other sites
Greg111 13 Report post Posted April 2, 2012 No o2 sensors on the m3?Goes to a base setting, slightly richer. Quote Share this post Link to post Share on other sites
westy 614 Report post Posted April 2, 2012 And to round it out... avgas is leaded and bad for o2 sensors. Makes exhaust pipe an awesome grey though. Clogs cats too. The main reason lead was removed. Smells oh so sweet. Quote Share this post Link to post Share on other sites
