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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Help identifying this intake part number?



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      04-24-2020, 01:47 AM   #1
bobbytomorow
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Help identifying this intake part number?

I just picked up a 3 stage intake manifold from a local BMW wrecker here in the Vancouver area. He said it came off of a 2007 X5 3.0si. When I picked it up it was in a warehouse on a shelf amongst a bunch of engines and parts so I basically have to take him at his word that it really is off of a 2007 X5. Any I quickly check it out visually and see that it has 2 DISA units attached so I take him at his word and leave with it.

When I get home and inspect it I found the part number sticker on it BUT I can't find this part number anywhere on the internet (10110220733). I figure thats weird but whatever it has the two DISA valves so seems good to go. But then I notice on the sticker the engine code "N52 B25 0L" correct me if I am wrong but that is the 2.5L so it couldn't possibly have come off of a 2007 3.0si X5?

Bottom line I don't really care what the hell it is off of, I just want it to be a functioning plug and play 3 stage intake manifold which it does seem to be. Only thing that worries me if it is off of a 2.5L (an X1 or the CAD version 323i) are the runners more narrow? Is the volume less thus will restrict the 3.0L in my 325i rather than boost its power? Or is it more or less exactly the same as the one from the 330i and I have nothing to worry about?

here is a picture of the part number sticker on the manifold

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      04-24-2020, 12:00 PM   #2
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Not sure if this helps but the numbers from that sticker on my manifold don't match the BMW part numbers. Are there any other numbers stamped in the plastic? My manifold came from a 2011 328i /w N51.

And DISA part numbers may also give you a clue.

https://www.realoem.com/bmw/enUS/par...&q=11617559523
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      04-24-2020, 12:23 PM   #3
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Quote:
Originally Posted by bobbytomorow View Post
Only thing that worries me if it is off of a 2.5L (an X1 or the CAD version 323i) are the runners more narrow?
Unfortunately correct. N52B25 intake manifolders have smaller runners: https://www.e90post.com/forums/showthread.php?t=1439612

N52B25 (top) vs N52B30 (bottom):
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      04-24-2020, 02:05 PM   #4
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Quote:
Originally Posted by smass View Post
Not sure if this helps but the numbers from that sticker on my manifold don't match the BMW part numbers. Are there any other numbers stamped in the plastic? My manifold came from a 2011 328i /w N51.

And DISA part numbers may also give you a clue.

https://www.realoem.com/bmw/enUS/par...&q=11617559523
Ok I am going to look for a stamped number when I get home from work...*crosses fingers*

Quote:
Originally Posted by freedomfries View Post
Unfortunately correct. N52B25 intake manifolders have smaller runners: https://www.e90post.com/forums/showthread.php?t=1439612

N52B25 (top) vs N52B30 (bottom):
Eh that was my worry....the guy either knowingly sold me an intake he wasn't sure what it was off of or he just made a simple mistake.

This intake he sold me does have two nice looking DISA valves too...

As mentioned above *hopefully* it is stamped somewhere that it is the correct manifold
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      04-25-2020, 03:18 AM   #5
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You were right freedomfries this manifolds runners were indeed more narrow. When I got home i was going to measure the circumference with a tape but didn't even need to, I could touch my finger to my thumb when gripping an intake runner from the N52B25 but couldn't even come close when I attempted to do the same to one of the runners on my engine's intake (N52B30).

I hope this helps anyone who buys a 3 stage on the used market, make sure it isn't off of a 323i, while it will have the DISA valves and at a glance looks like the one we are after, it is indeed smaller if its from an N52B25 (2.5L engine)
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