Thread: Exhaust note
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Old 12-31-2012, 03:50 PM
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Mr. Grumpy Mr. Grumpy is offline
BMW Freak
Location: Chicago, IL
Join Date: Aug 2011
Posts: 267
Mein Auto: 2011 535i
Originally Posted by PeterC4 View Post
I was hoping for COBB too, I went with Burger JB4. They have downpipe mods too, the JB4 has been trouble free in very hot and cold weather...and makes a real difference. There are 2 stages, I have stage 1.

I was about to buy the JB4 stage 2 until I saw this post on another forum.

As you can see on the Dino sheet the JB4 still needs to be refined. If they manage to refine their tune I might buy it.

Coming Soon: 2017 540i Carbon Black, Black Interior, Fineline Ridge Wood Trim,

Retired: 2009 328i Titanium Silver, Black Interior, Dark Wood Trim, ZPP, ZLP, 609, 494, AAW Tune.

_______2011 535i Imperial Blue, Oyster/Black Interior, Anthracite Wood Trim, ZSP, ZPP, ZP2, ZCV, 2TB, 6NF, 6NR.
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