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The BMW Range
3 Series
E46
N42: Rebuilt (as in overhaul) or change engine block?
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<blockquote data-quote="moots" data-source="post: 733372" data-attributes="member: 219"><p>if the cause of the coolant disappearing is due to the head gasket...just change that.don't do any more driving as you will destroy the engine as the engine oil is now contaminated.</p><p></p><p>if you have hi mileage...engine consuming oil,reduced compression,no power etc then then you may want to change engine.</p><p></p><p>on my previous e39 (m52b28) where I holed the #6 piston,I was contemplating overhauling,which is lengthy (2-3 weeks) and more costly so I did a direct engine swap.worth every penny as they say.engine power was back and all was well again.all oil seals and gaskets(except head gaskets) was replaced lto avoid having to re-do in case it leaks later.</p><p></p><p>i did the eng chg at optimum auto damnasara kayu ara...look for ah foo</p><p></p><p>note> chop shop engines are generally ok.deal with the wshop to have a good replacement engine fitted.</p></blockquote><p></p>
[QUOTE="moots, post: 733372, member: 219"] if the cause of the coolant disappearing is due to the head gasket...just change that.don't do any more driving as you will destroy the engine as the engine oil is now contaminated. if you have hi mileage...engine consuming oil,reduced compression,no power etc then then you may want to change engine. on my previous e39 (m52b28) where I holed the #6 piston,I was contemplating overhauling,which is lengthy (2-3 weeks) and more costly so I did a direct engine swap.worth every penny as they say.engine power was back and all was well again.all oil seals and gaskets(except head gaskets) was replaced lto avoid having to re-do in case it leaks later. i did the eng chg at optimum auto damnasara kayu ara...look for ah foo note> chop shop engines are generally ok.deal with the wshop to have a good replacement engine fitted. [/QUOTE]
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The BMW Range
3 Series
E46
N42: Rebuilt (as in overhaul) or change engine block?
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