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      02-15-2008, 07:29 PM   #35
BigBanana
Second Lieutenant
 
Drives: Beemer E90 325d
Join Date: Jul 2007
Location: Midlands, UK

Posts: 237
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It's obviously not a simple subject.

Looking at this link, they explicitly state the box does not increase pressure.

http://www.tuningbox.com/ANG/p4ang.php

There's a lot of processing goes on in a tuning box. Hence the 'high' cost.

There's a lot it can't do, as you say, turbo pressure, torque limiters, top speed limiter....

But, I can understand that intercepting the pressure signal can have an effect on the injection time, if the signal feedback is not [just] changed in amplitude, but time displaced. Yes, it's fooling the ecu.

However, if it were just effectively reducing the signal, would it cost 300+.
Probably not.

Details on how it works seem a bit vague but, lets see what else turns up.....
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