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      09-21-2018, 09:22 AM   #2
whyzee125
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Drives: Dinan stage 2 335i
Join Date: Jul 2014
Location: Chattanooga Tn

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Nice car! Some people have run Dinan and JB4 stacked but if you plan to add bolt ons I'd just forget the Dinan tune. I have Dinan stage 2 on mine and really like it but downpipes, etc. will give better results if paired with a tune made for them. You can pick up Cobb APs for next to nothing and even their off the shelf maps are quite good but run a lot of boost. Custom tuners have largely moved over to MHD but the same thing can ultimately be accomplished with either Cobb or mhd. JB4 is nice if you want on the fly tuning especially for e85 mixes but it's become fairly outdated as most paired it with a backend flash for more consistency and updated trans targets (in autos) rendering the JB4 nearly useless aside from controlling boost and doing a few things like gauge sweeps, shift lights, and controlling the exhaust flap.
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