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      11-19-2012, 01:31 PM   #13
CT_335D
Private First Class
 
Drives: 2009 BMW 335d
Join Date: Nov 2012
Location: Connecticut, USA

Posts: 157
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How many miles on your 335d?

I was told by the BMW dealership not to add any cetane boost or diesel additive. But I noticed that you do. Does it make a difference? My 335d is still under warranty, will BMW honor the warranty if I start using the additives and cetane boost? Or is it better to wait until the warranty expires and then start using the additives?

Here in Connecticut, our diesel fuel has a cetane rating of 40. Can't find anything betterlike 45 or 50.

Last edited by CT_335D; 11-19-2012 at 01:40 PM.
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