Does anyone change their head gasket as a means of preventative maintenance? Is there a common interval? I'm at 170,000 and thinking about using a spare gasket while I'm at the timing belt.
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every 12k miles or 1 yr -> new valve cover gasket, after valve adjustment
only gasket change I found in regular maintenance checks, apart from the part they say to see if others are in good condition. (Haynes service and repair manual)
I'd recommend you do a compression test first.My '88 euro 520i (e34) -> thread -
its not worth it unless you have almost everything else off and its just the head studs left to remove1986 325es
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unless it's leaking, dont touch it. if you pull the head you will be spending $300+.
you will need to have it machined. then new BMW head bolts and Goetze/BMW head gasket. along with valve guide seals and intake, exhaust, thermostat gaskets.
imo the M20 needs a full rebuild at 200k-220k miles. a proper rebuilt m20 stock w/o a chip will own a 220k+lightly moded m20.Much wow
I hate 4 doors
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