Quote:
Originally Posted by cmac2012
I might be pushing my luck but on my 325i e-30 I go about 7500 on synthetic. No reason to regret it so far - been doing it from when I got it (214K) to the present, 303K.
Also, I dropped down to mid range gas (89 octane) a few years after I had it, and about a year ago, went down to regular (87 around here) on the advice of another MS shop member. No pinging, so sign that it was a mistake . . . so far.
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Maybe a bit much for my taste but the M-20 engine is one of the toughest, longest lasting little engines out there! Just keep good maintnace on it, valve adj. and t-belts etc. and it will go a long time! They have diesel like longevity! No real reason to run high octane gas in them, they dont have as high compression or nearly as picky as the newer engines
