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      01-13-2013, 09:25 PM   #37
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Drives: 2011 BMW 335d
Join Date: Sep 2010
Location: Murland

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Originally Posted by CT_335D View Post
Then if they can't tell if I added diesel fuel additive, I might start using it, to help prevent carbon buildup and any other problems in the future.
The dealer could tell if you used an additive if it was not DPF friendly and it mucked up your DPF. Power Service is DPF friendly. Just double check the manfacturers label.