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      09-25-2013, 07:34 PM   #12
Yellow Snow
First Lieutenant
United Kingdom
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Drives: 335d Coupe. Stock no more!
Join Date: Mar 2008
Location: Newcastle

iTrader: (0)

89.6mm bore really does mean this block is completely redesigned.

Cylinder spacing of the small block 6 has always been 91mm.

It's not possible to run with a 1.4mm wall thickness, so it looks like tuning options with the wider bore spacing could reap better rewards than first thought.