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      02-13-2025, 10:30 PM   #66
tracer bullet
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Drives: '25 Z4, '15 X3 35i (135i sold)
Join Date: May 2011
Location: Saint Paul, MN

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Quote:
Originally Posted by GuidoK View Post
For the B58 there are no oversize piston rings or even oversize (well...undersize) rodbearings available according to realoem like various previous engines had.
So no boring/honing of the block and no regrind on the crank possible.
https://10secondracing.com/products/...icinPier6fyNiT

Options do exist. Though I won't speculate on the quality (which could be fine).
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GuidoK17005.00