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      11-16-2011, 07:17 PM   #20
cssnms
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Drives: 2011 BMW 335d
Join Date: Sep 2010
Location: Murland

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Quote:
Originally Posted by koreez88 View Post
Looks fantastic!

I am a bit confused, wasn't whole DEF system connected to the OEM exhaust? How did you leave it untouched? Do you still need to top it off with fluid?
The DEF injects urea further up the exhaust stream, just past the the DPF. I replaced the exhaust from the mid cat (seen in the pic) back.