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General Forum : URGENT ADVICE PLS!What model crankshaft belongs 2

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      - URGENT ADVICE PLS!What model crankshaft belongs 2
ichiwan2   Posted Wednesday, Dec 6th 4:40pm [Edit] [Quote] [IMS] [View car]
Post nr. 246
Kuala Lumpur, Malaysia
Part number 1280969

Supposedly came out of an e21 323i Auto. Dunno what year.

Checked realoem and part number does not exist.

The 323i crankshaft part no: 1271889

For the 320/6: 1722574 or 1271888 (latter supposedly discontinued/nla)

So have I been duped or do I have some exotic crankshaft? Just wanna know the stroke length.

If its not the crankshaft for the 323i, it screws up my stroker project budget.

URGENT advice please, as I have a lead on another 323i crankshaft. Don't want to end up with one too many crankshafts...

Only consolation - the block has not been re-bored before - pistons are the 79.98mm

imaradiostar   Posted Wednesday, Dec 6th 8:58pm [Edit] [Quote] [IMS] [View car]
Post nr. 962
Nashville, TN
81 323i, 82 525i, 85 524td, 90 535i
why not just measure the stroke?


ichiwan2   Posted Thursday, Dec 7th 3:49pm [Edit] [Quote] [IMS] [View car]
Post nr. 247
Kuala Lumpur, Malaysia
The crank has been taken off the block. Not sure how accurate measurement would be since the difference in stroke is only about 10mm. It would mean a 5mm distance between the main shaft and the conrod pivot thingy.

Anyways, had a look at the pistons and they are flat topped. I am guessing with slightly more confidence that it is actually a b23 crank. Will know in a few days when my mech takes out the crank from my 320.

Everything about the car says its e21, except for the block size description - which says 2.0 litres and the very different crank part no.

Will know better soon.

Thanks for the suggestion.


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