N55 block not reusable?

carbonM · 11-12-2022, 05:45 PM

I got a N55 with a spun rod. Tore it down to see if I can rebuild it. I noticed that the exhaust side of the block has these marks. Almost looks like metal embedded in the block wall. Salvageable or totaled?

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iminhell1 · 11-13-2022, 04:15 AM

100% normal.

Carfanatic_Henry · 12-01-2022, 08:18 PM

Just normal block casting

tracer bullet · 12-02-2022, 08:28 AM

Yup, totally normal. It's not a spot that needs to be pretty and it's left over from the manufacturing process.

Carry on.

11-12-2022, 05:45 PM	#1
carbonM Private 15 Rep 67 Posts Drives: 2011 E70 50iMt, 2011 e82 135i Join Date: Nov 2017 Location: Texas iTrader: (0)	N55 block not reusable? I got a N55 with a spun rod. Tore it down to see if I can rebuild it. I noticed that the exhaust side of the block has these marks. Almost looks like metal embedded in the block wall. Salvageable or totaled?
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11-13-2022, 04:15 AM	#2
iminhell1 C2H5OH 4482 Rep 2,183 Posts Drives: 2010 SG 135i auto Join Date: May 2015 Location: Darwin, MN iTrader: (1)	100% normal.
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12-01-2022, 08:18 PM	#3
Carfanatic_Henry Enlisted Member 0 Rep 37 Posts Drives: 2013 135i limited edition Join Date: Jan 2019 Location: Florida iTrader: (0)	Just normal block casting
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12-02-2022, 08:28 AM	#4
tracer bullet Major General 6189 Rep 6,188 Posts Drives: '25 Z4, '15 X3 35i (135i sold) Join Date: May 2011 Location: Saint Paul, MN iTrader: (1)	Yup, totally normal. It's not a spot that needs to be pretty and it's left over from the manufacturing process. Carry on.
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