Bimmerfest - BMW Forums - View Single Post - Oil separator failure - so far $2300 bill
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Old 02-22-2013, 03:57 AM
Madtown Madtown is offline
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Location: Madison,WI
Join Date: Nov 2008
Posts: 95
Mein Auto: X3 Msport, 95 M3 & E39
The M54 engine does tend to sludge up over time if oil was not changed often which leads to CCV failures. BMW has redesigned the CCV, hoses & dipstick guide tube for cold weather. All these parts need to be replaced if you live in cold weather as the none insulated version will fail again if replaced.
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