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      12-12-2013, 01:13 AM   #99
bmwluvr24
Driving Mika all over California.....
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Drives: 2008 E60 M5
Join Date: Dec 2012
Location: San Diego, CA

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Quote:
Originally Posted by Jamesons Viggen View Post
I don't think BMW engineers a production engine to be within an inch of it's life and leaves headroom.

Granted, it might not have as much to gain as the N54, but it will show nice gains as I feel the 18psi and tuning is no where near maxed out.
I would bet that small turbos spinning at 200,000 rpm are quite close to being maxed out.
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2008 E60 M5 Sepang Bronze Metallic, gloss black grills and gills, LED side markers, 12mm spacers all around, stud conversion kit, custom exhaust with Magnaflow mufflers and x-pipe.