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      08-10-2021, 10:31 AM   #16
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Drives: 2017 440i Gran Coupe & 2015 X5
Join Date: Nov 2012
Location: Orange County, CA

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Quote:
Originally Posted by McLaren720s View Post
Very interesting!

What I've gathered from the video:
- 100% stock engine is good up to about 700-750hp (that includes stock turbos, stock fuel system)
- this is where we will max out with Stage 2 tunes with catless downpipes and E85
- and this will literally cost like $1500 ($600 for BM3, $600 for down pipes)

- Up to 1050hp is possible on stock engine internals with upgraded turbos, upgraded fuel system/port injection and cooling system
- my thoughts on this point is that this will cost around 10k-12k but that's incredibly cheap for that kind of level of power
- the question here is how the transmission will handle it
Transmission, differentials and even other components would be subject to more stress. This is not as easy as "let's deploy 1000hp and never look back".
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