Thread: Diesel Tunes
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      12-12-2010, 12:17 PM   #13
hotrod182's Avatar

Drives: 07 335i, 06 M3
Join Date: Dec 2006
Location: California

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Originally Posted by cssnms View Post
Just showing my diesel engine ignorance. So is the JBD just a boost controller or is there more to it?
As far as I know, JBD doesn't even touch your boost settings. As with most diesels, its mainly in the fuel control.

So I ran again this morning. 2nd gear launch but let it shift by itself. Unlike my gas 335i, the 335d shifts before redline (fortunately!). Same temps, emptied my trunk, and switched from USA diesel to Union 76.

13.1 at 106.1 4.7 0-60, fighting wheel spin.

Still just above the medium setting. Can't believe the fastest time on Dragtimes (by the same guy about 10 times) is around a 13flat. Maybe I be the first to break into 12's on that list.

2011 Alpine 335d M-Sport 12.34 @ 110.48mph
2017 i3 Terra
2008 Black 335i Sedan. 11.11@ 129.47 mph
2008 Monaco Blue JB3 2.0 335i Coupe. 11.33 @ 132.77 mph (N54 stock turbo trap speed WR)
60-130mph: 6.95 seconds stock turbo WR (.16% slope)