Water pump

E28 technical advice asked and given! Troubleshooting, modifications and more.
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Jay in VA
Posts: 1917
Joined: Feb 12, 2006 12:00 PM
Location: Raleigh, North Cakalacky

Post by Jay in VA »

Will a m30b35 water pump fit / interchange with a m30b33 or m30b34? I have a new LASO for m30b35 I would like to use on my 533.
Blue Shadow
Posts: 10281
Joined: Feb 12, 2006 12:00 PM
Location: SE PA

Post by Blue Shadow »

ETK says 535i E34 pump used on 533 and other M30 engines so yes.
5er Quest
Posts: 120
Joined: Feb 12, 2006 12:00 PM

Post by 5er Quest »

Can you tell what the impeller material is? Having replaced two, both of the ones that I saw were cast aluminum. Same thing? Was curious to know if any of them had plastic ~0 impellers.
Steve Haygood
Posts: 1943
Joined: Feb 12, 2006 12:00 PM
Location: Thomaston Ga
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Post by Steve Haygood »

Works like a charm...haven't ever seen a plastic impeller pump for am m30 engined car
Jay in VA
Posts: 1917
Joined: Feb 12, 2006 12:00 PM
Location: Raleigh, North Cakalacky

Post by Jay in VA »

Cool, I was hoping I had not spent money on a pump that was not interchangeable. It has aluminum impeller for the FYI. I bought it because I heard somewhere that LASO was an OEM replacement.
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