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BMW valve stem seals opinion
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<blockquote data-quote="Rodney_gold" data-source="post: 639337" data-attributes="member: 579"><p>PCV valves are normally not rocket science or costly to replace..I dont know what the beemer uses tho. google should help.</p><p>typical valve stem seal issues are lots of smoke on a cold start up , but not when driving a warmed up car.. unless the seals are totally buggered and you have major play on the valve stems and valve guides.</p><p>Revving hard when cold will do you no favours....</p><p>Only blueish smoke counts , if the smoke is dead white or black , its water vapour or an overly rich mixture.. rich mixture could also be washing down the cylinder walls , contributing to ring/cyl wear.</p><p></p><p>A litre of oil will cost you round R100 a month .. a ring job.. circa 10k if you lucky.. thats like 100 months or 8 years of driving...</p></blockquote><p></p>
[QUOTE="Rodney_gold, post: 639337, member: 579"] PCV valves are normally not rocket science or costly to replace..I dont know what the beemer uses tho. google should help. typical valve stem seal issues are lots of smoke on a cold start up , but not when driving a warmed up car.. unless the seals are totally buggered and you have major play on the valve stems and valve guides. Revving hard when cold will do you no favours.... Only blueish smoke counts , if the smoke is dead white or black , its water vapour or an overly rich mixture.. rich mixture could also be washing down the cylinder walls , contributing to ring/cyl wear. A litre of oil will cost you round R100 a month .. a ring job.. circa 10k if you lucky.. thats like 100 months or 8 years of driving... [/QUOTE]
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BMW valve stem seals opinion
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