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Originally Posted by BLK235iNJ
I spoke to a gentleman named Scott (I'm pretty sure he handles NJ). When you call it will ask you for your state. It will then route you to a rep I'm assuming depending on where you are located.
If I don't receive the dyno graphs or the baseline numbers for the car they used I will call back tomorrow.
I will say this he did not mention anything about a Stage 2 and I specifically asked. He said this is it for now and to take into consideration once I have the hardware I'll be able to update.
I also asked him his thoughts on the JB4 and why Dinan is better. He basically said that they are selling us a processor that is adjusting counters (all the necessary ones) to ensure the car is not running lean, rich or faulting. He mentioned that most of the piggyback tunes trick the ECU to allow for more boost while at the same time clearing codes and CELs. Air and Fuel mixture is not adjusted the way it should be. As for me there is NO WAY I'm putting a rig on my car just to make it faster. This is the 3rd car I'm going to tune and I've learned that going cheap on the tune can be pretty deadly (I've typically dyno tuned only).
I'll keep you posted on what else I find out.
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Originally Posted by BEM-S4
Who'd you talk to over there? I spoke with the PA rep (forget his name) but he was super responsive and helpful. I didn't ask all the stuff you guys want to know because I figured it was posted on the site (I was wrong) but they seemed like straight shooters.
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The guys at Bimmerworks, Thompson and a few other folks I called all said the same thing about Dinan vs JB4. Granted these are Dinan dealers I'm talking to but it's at least mildly reassuring that they're all saying the exact same thing.