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Author Topic: m42 compression test results  (Read 2817 times)

jthorsland

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m42 compression test results
« on: July 28, 2011, 02:41:30 PM »
I bought a '93 318i cheap - owner said it was run hot.

Compression test results:

1-80
2-30
3-25
4-120

Anyone hazard a guess at the damage?
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DesktopDave

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m42 compression test results
« Reply #1 on: July 28, 2011, 05:05:49 PM »
2-3 head gasket break or crack in the head?

Can you have a leak-down test done?  I've never done one myself but my mechanic swears by them.
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'08 Karmesinrot 128i 6MT
'86 Zinnoberrot 635CSi (M30B32/G265/3.46 torsen LSD)

Sold: '97 Montrealblau 318iS, '91 Brilliantrot 318i, '91 Brilliantrot 318iS
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