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Message: <blockquote data-quote="selespeed" data-source="post: 216623" data-attributes="member: 1388"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin    :D" loading="lazy" data-shortname=":D" />  hi absidian; i am saying warm up when engine is cold is not neccessary. you can do it but it is a waste of your time and do it too long may add more carbon deposits to it. occasionally i blip it (not when cold) and that's ok. but if you revv it too many times too long without load would be bad.  when you drive off slowly, oil circulates quickly to all parts and engine heats up faster too. also, racing engines use less viscous or "thinner" oil because ther eis less friction and yeah oil travels faster.  i used to do tracks and also have absolotely no problems. when engine is properly warmed up after say, 15 minutes of slow driving, revv all you want and revv all i did. racing engines are a bit different. they're not designed to last long. they're designed to win and so robustness is not a key consideration. my alfa manual always tells me to move off the car SLOWLY after starting the engine and gradually increase speed. as for e30, i don't know since i don't have a manual but i assume it is the same. the only time i would idle longer (maybe 3 mins or so) to heat up the engine is when i have left my car inactive at home for say 4 days to 1 week, because oil would have been "pulled" down due to gravity</blockquote>

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