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      01-11-2016, 02:26 AM   #66
DWR
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Drives: 2009 335d
Join Date: Oct 2014
Location: Maine

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Quote:
Originally Posted by Whitbread View Post
I was told direct from the engineers at borg to install a rpm gauge if I thought I was even anywhere close to max shaft rpm according to the compressor map.
Yes, and our turbos can be retrofitted. Drawings are available on their website. There is another method and that is to measure temps in and out to determine efficiency. Efficency directly correlates to compressor speed.

Quote:
Originally Posted by Whitbread View Post
Getting bigger injectors here is no issue thanks to the pickup truck boys. A set of 6 piezo injectors enlarged to 30-45% over is less than $500 all in an done flow matched to within 1%.
Can you site a vendor or two? I looked into this and got a little stonewalled when I said,"BMW..." Also, you get the calibration coding for each injector, right?
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