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      01-19-2013, 04:24 AM   #24
AdrianSi
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Drives: E90 330d LCi MSport
Join Date: Jul 2011
Location: Midlands, UK

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Pre LCi 330d's have the 'bulletproof' engine. The M57 with the revised swirl flaps... I don't think there has been a reported swirl flap failure in a E90. That's pretty much the only thing that killed the engines in E46 330ds.

This said, mine was a very early N57 engine so possibly they 'revised' the design of the guides. When I check the part numbers fitted on the online catalogues I don't remember the being any superceeded parts.

It is still a great car and great engine but definately not a characteristic that should be present in such an engine. I would rather have a front mounted serviceable Cambelt that you expect to renew at specified intervals. Timing chains shouldn't require any servicing, certainly not within 150K...maybe at higher miles 200-300K which will only account for a small percentage of E90s in the future.
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E90 330d - N57
Prof Nav - 6FL - Visability Pack - Alpine Hi-Fi Upgrade - L7 Subwoofers - L7 rear mids + tweeters - 6FL