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  #1  
Old 08-30-2018, 07:11 PM
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Random, but - N57 twin turbos?

Has anybody used the BMW N57 twin turbo's on any of these engines before? Particularly the OM606?
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  #2  
Old 10-16-2018, 11:11 PM
jabroni tig weldor
 
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i want to say those turbos are small. even a single sized like a hx40 may be an upgrade on the actual bmw motor. .
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  #3  
Old 10-16-2018, 11:14 PM
jabroni tig weldor
 
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people dont start making crazy power with the bmw untill the stock turbos have the compressor enlarged and billet wheels installed. even then the turbine housing is a restriction and ultimately that and its size/diameter of the turbine wheel is what limits power. which you can only get around by going to a bigger frame/housing turbo.
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  #4  
Old 10-28-2018, 01:35 PM
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Quote:
Originally Posted by g-wizz View Post
people dont start making crazy power with the bmw untill the stock turbos have the compressor enlarged and billet wheels installed. even then the turbine housing is a restriction and ultimately that and its size/diameter of the turbine wheel is what limits power. which you can only get around by going to a bigger frame/housing turbo.


My thought was based on sizing, it should spool faster and overall flow more than the stock OM606 turbo. Am I not correct?
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  #5  
Old 12-21-2018, 08:52 PM
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Those are regulated two stage turbos (R2S), not twin, sequential or compound turbos. They require a computer to control.
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  #6  
Old 01-29-2019, 09:14 PM
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Quote:
Originally Posted by OM617.952 View Post
Those are regulated two stage turbos (R2S), not twin, sequential or compound turbos. They require a computer to control.
There are guys running them who say they are easy to control. Finding space for the unit can be problematic however.

Sent from my SM-G955U using Tapatalk
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  #7  
Old 04-01-2019, 05:17 PM
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The stock K14 turbo on the om606 is spooled up and making peak torque at 1500 rpm. You can't get much quicker than that. I saw recently on ebay a K16 upgrade to the K14 turbo. An upgrade compressor housing and billet compressor wheel, keeping the hotside stock. I think this would produce/move more volume but still keeping the same spool time.

https://www.ebay.com/itm/NEW-K16-Turbo-Compressor-Cover-with-Compressor-wheel-Back-plate-K14-Upgrade-/302201575238
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