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      01-15-2013, 05:24 PM   #17
United Kingdom

briers's Avatar
Drives: XFR
Join Date: May 2010
Location: Midlands,UK

Posts: 1,971
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I really don't think additives are needed at all, as you know it says on the cap no additives.

The egr implementation is not as aggressive as some so you don't get excess soot which is often apparent when people decide to clean the intake and egr valves.

Are you sure your chip is compatible with the 335d?