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Phil@BPC · 02-09-2018, 07:19 AM

Cylinder wall material is removed to allow the sleeves to be accepted. With the sleeve installed this retains the original bore size without compromising the blocks integrity and ability to support four digit power figures.

02-09-2018, 07:19 AM	#21
Phil@BPC Lieutenant 463 Rep 489 Posts Drives: E39 M5/ E30 325is Join Date: Nov 2017 Location: Raleigh, NC iTrader: (0) Garage List 2003 BMW M5 [0.00] 1990 BMW 325is [0.00]	Cylinder wall material is removed to allow the sleeves to be accepted. With the sleeve installed this retains the original bore size without compromising the blocks integrity and ability to support four digit power figures.
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