325i piston ring

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markus_74
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Post Sat Aug 30, 2014 11:15 am

hello,

finally got 325i piston complete with ring.

my question can I use the used piston ring that come with the piston? or should buy new one?

and what type of piston that I have? low or high comp?

regards
markus

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daimlerman
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Post Sat Aug 30, 2014 11:51 am

Fit new rings! :D
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gromgsxr
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Post Sat Aug 30, 2014 1:26 pm

low comp mahle by the looks of it
markus_74
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Post Sat Aug 30, 2014 5:21 pm

thank you for all the info.
markus_74
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Post Sat Aug 30, 2014 5:50 pm

just want to make sure,

does m40 318i piston ring is same with m20 325i piston ring?

both piston have 83.98mm

m20 325i
06 REPAIR KIT PISTON RINGS 83,980MM(0) ? 11251713192

m40 318i
04 REPAIR KIT PISTON RINGS 83,980MM(0) 4 11251713192
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Post Sat Aug 30, 2014 5:58 pm

I would guess so, seeing as the last 7 digits of the part number are the same.

Why not put it into RealOEM and find out?
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markus_74
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Post Sat Aug 30, 2014 6:13 pm

yes, I have try realoem and I found ,

bearing shell is same with m40 and m50 also

the big bearing shell is same with m50 325/525 but for this I[m not sure as it has a lot of different combination of bearing shell