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      09-18-2019, 08:00 AM   #57
Suprgnat
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Drives: 2013 128i LMB 6MT ZMP Slicktop
Join Date: Jan 2013
Location: California

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2013 128i  [9.58]
Quote:
Originally Posted by chris_flies View Post
I hate to sound like the "get a 135i crowd," but get an N52. The limitation with the N51 is the pathetically low compression ratio, it simply can't make power like the N52.
Whilst you are certainly entitled to describe the N51s 10:1 CR as "pathetic" compared to the 10.7:1 ratio of the N52, that whopping 0.7:1 increase in CR will only result in an increase in power of approximately 1.8% or 5.4 HP on a 300 HP engine.

Hardly a deal breaker.
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