[Ron1n]

They'd have to reflash, yes. There are specific parameters that need to be added in order to bypass/let the ECU know that the DPF is no longer there, as well as the sensors that are dependent on information generated by the DPF.

[xboxgod]

Originally Posted by Ron1n

They'd have to reflash, yes. There are specific parameters that need to be added in order to bypass/let the ECU know that the DPF is no longer there, as well as the sensors that are dependent on information generated by the DPF.

So for the $800 that we would pay for this, is the tuning included? Or would it be a separate charge through someone else? And would the tuning here only modify the downpipe/DPF info?

I am trying to figure out if I can just order the downpipe and install and then have Evolve or RENNtech flash the ECU with this info so that I get performance and DPF bypass.

[Puerto Rican 335d]

Pricew is great considering that a down pipe for a 3351 runs anywhere from $599 to
$1k

http://www.google.com/#safe=active&o...w=1120&bih=637

[joe_planet]

Hey guys I just joined the forum because I picked up an '11 335d.
I would love to get a tune on it and limited slip, already talked to tuning company.
On my way to work yesterday I got a SES light. Car's driving fine, so I'm guessing its some sort of emissions balogney. My question is what will happen if I have such problems in the future after the tune? Will BMW still warranty my car?

[FormerRotor]

Originally Posted by joe_planet

Hey guys I just joined the forum because I picked up an '11 335d.
I would love to get a tune on it and limited slip, already talked to tuning company.
On my way to work yesterday I got a SES light. Car's driving fine, so I'm guessing its some sort of emissions balogney. My question is what will happen if I have such problems in the future after the tune? Will BMW still warranty my car?

Officially speaking, a tune could void warranty on anything that it affects (engine, ECU, tranny, etc.). The more likely outcome is that you will have to remove your ECU to send back to your tuner to retune your vehicle after the each instance in which the dealer updates your software.

[335dFan]

Originally Posted by joe_planet

Hey guys I just joined the forum because I picked up an '11 335d.
I would love to get a tune on it and limited slip, already talked to tuning company.
On my way to work yesterday I got a SES light. Car's driving fine, so I'm guessing its some sort of emissions balogney. My question is what will happen if I have such problems in the future after the tune? Will BMW still warranty my car?

Well, it's kinda like you would expect. If you change your diff on your own, then you won't be going back to BMW with your diff problem; you will be going back to the the company that did your LSD. If you did a tune that reflashes your ECU, then if you have a problem that BMW can somehow tie back to your ECU flash, then they won't help you. That's why some people, myself included, have chosen to use the piggyback chips like JBD or others, because you can clear the codes and take the device physically off before you go to the dealer. Even then, worst case, if they wanted to try to avoid BMW responsibility, there are some forum guys who maintain that BMW could suss it out if they really tried hard. Who knows.