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BMW Tech and Performance
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Rebuilding the M54B30
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<blockquote data-quote="ess530i" data-source="post: 361207" data-attributes="member: 13496"><p>2-pistons blown & a broken cam holder</p><p></p><p>opened up the engine today and here is what i found:</p><p></p><p>2 blown & fried up pistons</p><p>1 broken cam holder (!)</p><p></p><p>really gotta figure out the root cause before making any decision. </p><p></p><p>btw the boost was increased from 8psi to 10psi without a retune, according to ESS there is no need to do so. there was no guarantee that the tranny could take the load which i was willing to accept but there must be something really wrong to blow 2 piston...</p><p></p><p>please input...thanks</p></blockquote><p></p>
[QUOTE="ess530i, post: 361207, member: 13496"] 2-pistons blown & a broken cam holder opened up the engine today and here is what i found: 2 blown & fried up pistons 1 broken cam holder (!) really gotta figure out the root cause before making any decision. btw the boost was increased from 8psi to 10psi without a retune, according to ESS there is no need to do so. there was no guarantee that the tranny could take the load which i was willing to accept but there must be something really wrong to blow 2 piston... please input...thanks [/QUOTE]
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