I've had a problem for a couple of weeks now, the dipstick pops out when I floor it and engine revs above 4 - right when the turbo kicks in. Oil would be splattered all over the engine, blow-by smoke from the rear and smoke in the engine. Once it spit up oil into the air filter and really dirtied up the MAF and triggered a CEL. Luckily MAF cleaner and a new filter cleared things up, but the dipstick is still popping out. The car runs fine as long as I don't gun it and keep it under 4,000 rpm.
Any ideas on possible solutions?

Thanks
Mitchell