Cylinder Heads Interchangeable? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 12-19-2005, 04:04 PM
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Cylinder Heads Interchangeable?

I own a "92 325i with the m50 engine. I need to replace my cylinder head. I just need to know what are my options as far as other heads (I know I can replace with original). I want to do a direct replacement with no modifications. Thanks.
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#2 (permalink) Old 12-19-2005, 04:17 PM
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from what i gather (something i looked into before doing my engine swap) is you can replace the head with a 3.0 M3 engine head, hotter cams larger valves, youll actuallly get a good gain out of it, but its a hard find , and gonna be a lot more expensive than a 2.5 head.

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#3 (permalink) Old 12-19-2005, 04:32 PM
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IIRC, the 92 engine doesn't have VANOS. So you must find a non-VANOS cylinder head to swap. I don't think you can upgrade to VANOS, but not sure.

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#4 (permalink) Old 12-19-2005, 05:55 PM
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Quote:
Originally Posted by tomctx
IIRC, the 92 engine doesn't have VANOS. So you must find a non-VANOS cylinder head to swap. I don't think you can upgrade to VANOS, but not sure.
ahh good thing we have awesome members, good catch, i completely forgot to even consider vanos.

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#5 (permalink) Old 12-19-2005, 06:17 PM
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Is it possible for me to remove the Vanos assembly panel and just use the flat panel that comes on the Non-Vanos
engines?
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#6 (permalink) Old 12-19-2005, 08:13 PM
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I want to say no, but I'm not actually sure. I'll take a gander at mine tomorrow and see if I can figure anything out. It will still be a guess though.

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#7 (permalink) Old 12-19-2005, 08:16 PM
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im at a loss right now myself, i want to say no as well however , with my car sleeping 100miles away from where i am , i cant have the luxury of checking. tomctx has you in good hands , he'll help you out
good luck

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#8 (permalink) Old 12-20-2005, 08:46 AM
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Quote:
Originally Posted by tomctx
I want to say no, but I'm not actually sure. I'll take a gander at mine tomorrow and see if I can figure anything out. It will still be a guess though.

Took a gander this morning. I still don't know if it can be done. I will err on the safe side and say no. Do a google, find some other forums, and get some other opinions. Someone out there knows. Are you having hard time finding the right head? Can't your head be rebuilt?

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#9 (permalink) Old 12-20-2005, 07:03 PM
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I have 2 small cracks in my head and I can get a head with vanos from someone for almost free. So if it would work, than I could just take off the vanos and install the head just like it was my original.
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#10 (permalink) Old 12-20-2005, 07:10 PM
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Check this site out and let me know what you think. Thanks!

http://www.realoem.com/bmw/partgrp.d...98&hg=11&fg=15
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#11 (permalink) Old 12-21-2005, 02:02 AM
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From the looks of the pictures it might work. To be safe, here are two websites.

www.bmrparts.com and www.bavengine.com. They specialize in BMW engines and parts. I would ask them the question, I'm sure they would know for sure.

1995 325I, window tint, K&N, debaffled airbox, BMW #104 wheels, Nighthawk low beams, smoked side markers, smoked corners, smoked taillights, M3 stlye heated mirrors, various interior bits, Bosal cat-back.
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#12 (permalink) Old 12-21-2005, 08:15 AM
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Thanks for all your help, I really appreciate it.
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#13 (permalink) Old 12-21-2005, 06:46 PM
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stick with the non-vanos head. it's a safer bet and with all the included components, it's a better head. the non-vanos engines themselves are better suited for high-power mods than vanos engines.

<a href='http://www.cardomain.com/id/jordan92bmw325i' target='_blank'>My 1992 325I</a>
<a href='http://www.cardomain.com/memberpage/461648' target='_blank'>My 1989 Nissan 240sx</a>
<a href='http://www.cardomain.com/member_pages/view_page.pl?page_id=724529&cat=10&val=1&page=1' target='_blank'>My girls' 1998 Camaro</a>
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