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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 04-06-2012, 11:26 AM   #11
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Join Date: Oct 2009
Location: Richmond VA
Posts: 8,006
My Ride: 03 331Ci 5spd R1200R
Originally Posted by 323I00 View Post
Ive thought about doing this set up more then once but have always been on the fence about It , So what Im reading right Is that If I have the following , Intake,Full catback (no cats),Pulleys,Intake manifold swap and a shark tune, Adding this will will give me that much more In gains ?

Some have said for the 1500$ Its not worth It on the m52tu

Ive never dynoed the car wich I intend to do some time soon but Im curious as to what my car Is putting out as we speak with these simple mods I have as we stand Intake,Full catback (no cats),Pulleys,Intake manifold swap and a shark tune,
Just so you & everyone else understands, building a high HP / high revving (7000 RPM or more) N/A 2.5L, 2.8L, or 3.0L is a VERY expensive undertaking.

shifty1982 & his 2.5L are what I'd call a special case, why?
Because has something that 99% of us don't have, (besides money) he has a very competent BMW ECU tuner. In this equation, his custom tune is worth its weight in gold. Without it, you have almost nothing, well, a lot less in the bank anyway.

If I owned a 2.5L E46 & wanted more WHP, I'd do it this way:

1) Supercharger, my first choice would be the VF Engineering supercharger for these reasons. A) Most cost effective B) Self contained oiling system C) The supercharger "traction oil" is about $10 per oil change, not $125 or $300 like other brands D) User replaceable supercharger pulley ($78), the supercharger does not need to be sent off to the manufacturer.

2) Header.


A nitrous system.

Good luck,

(DynoDynamics https:vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind"

Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
I Know How To Fix The Rear "Bouncing" Problem On Your Cheap Coilovers Like: Jom RL FK SE & RK.
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