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05-06-2018, 07:00 AM | #1 |
RetNavSpook
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Compression Ratio
Doing some education into Compression Ratio (CR) and Octane (O). Where could I find the CR for my cars? I look into the manual but could not find the CR only the O to be used.
Last edited by Stock4Evr; 05-06-2018 at 07:33 AM.. |
05-06-2018, 10:01 AM | #2 |
Loves me some MHD!
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CR is 10.2:1
If there's an actual N54B30 service manual pdf out there I'd love a copy. Till then these links will get you some basic info- https://en.wikipedia.org/wiki/BMW_N54 http://www.e90post.com/forums/showthread.php?t=38856
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135i - E82.N54 2009 BSM - MHD / xHP / DCI, PR CP & 7.5" Race IC / N55 mid & Borla . . WL RSFI, Koni, Eibach & Dinan CP's, M3 CA's / EBC Red's & Firehawk 500's X1 - E84.N20 2013 MGM - JB4 - The Wife's, now with new turbo & ewg |
Appreciate
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