varunkumar

I just bought a 2008 535i(used car has 30,000 miles on it). I am planning to get Dinan software, wheels, package or whatever. My point is to upgrade the car to 390hp.

Now my questions are
1.What are the things that i need to upgrade in the car (only the must things). I don't want to upgrade the exhaust, wheels and other things if they are not must.

2.How about the fuel effiency after the upgrade ?

3.I want to know the overall price for upgrading(software, exhaust and other required things).

4.Does this upgradation deteriorate the overall car and engine(3.0L I6) durability ?

My whole point is to upgrade the car to 390HP.

BKbimmer

listen im not gonna start a thread about dinan. so ill keep it at that . i would recomend you go with jb3 since u have a 535 . it is really easy to mod the twin turbos without going the expensive route which is dinan. with jb3 dci combo which would cost u about a third of dinan u would end up with 370-380 hp depands on the map. to get a better idea about this ecu mod u should visit n54tech.com its a forum dedicated to our engine the n54 twin turbo