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Old 02-12-2013, 05:35 AM
Raimo Raimo is offline
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Location: Estonia
 
Join Date: Jan 2010
Posts: 27
Mein Auto: X5 '02, M3 '88
The person asked about oil separator, which is a M62 problem. You answered about N62 and another problem. Doesn't make sense, does it?

Also, The N62 "misfire" has nothing to do with cold and it is not the problem, it is the result. The problem is excessive wear in Valvetronic parts which eventually cannot open valves correctly. There is also another problem on some N62 engines where valve stem seals fail prematurely, this can be identified by blue smoke when idling. In general, the problem is only a result of uneven quality of the parts from the manufacturer side AND _STUPID_ first owners believing that 30k km oil change intervals are ok. Cars which have had oil changes after 10-15k km rarely have these problems. A thoroughly check will show wheter these problems are present or not. If their not present after 135k km, then it is unlikely they will occur when taken proper care.
The M62 CCV problem is also not unsolvable, but it requires some previous experience to solve it.
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