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Old 01-10-2018, 01:42 PM   #33
Josh (PA)
Hello.
 
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Join Date: Mar 2004
Carmudgeonly Ride: '09 X3, '11 328xiT, '11 135i C, '17 c2, '19 X5
Location: Downingtown, PA
Posts: 5,514
Quote:
Originally Posted by John V View Post
I'm planning to use a Borg Warner EFR7163 turbo running about 21lbs of boost peak.

Do you have any thoughts on how long the engine will last making that type of power with that level of boost? I always wondered that when I see the N54 guys cranking up the boost on the 135s and 335s and to make 500+whp. I assumed these were all ticking time bombs.
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Josh (PA) -
'19 X5
'17 991.2 C2 Cab
'11 135i Convertible
'11 328xiT
'09 X3
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