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Old 12-30-2011, 03:01 PM   #13
flashmeow
Banned User
 
Join Date: Apr 2008
Location: Dallas, TX
Posts: 2,220
My Ride: E30-E46-E90-E90M-F30
Quote:
Originally Posted by E46Mango View Post
How do you know you won't run lean with smaller injectors and restrictive tune with increased cylinder volume and cause irreversible heat damage?? (just a theory)

be careful!

yes running lean is a big concern for me that is why I am going to hook it up to my GT1 and see the 02 reading. If I am going to run lean then I have no choice but to droppe in the 330 purple injectors and send my car off to get a custome tune.

There are a few members on here than swap out their M52TUB25 and M54B25 to the b30 version and ran on their stock tunes and reported no issues so I am hopefull. I think Angie swap out her 2.5 for a 3.0 and ran stock tune for a while.
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