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#1 (permalink) Old 05-24-2009, 11:14 PM
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m50 double vanos?

So as I understand it, the M50 that's in my 94 325is is a single VANOS, I'm lookin' for a double VANOS. What can I do?
I'm kind of a Honda guy, as I'm understanding the technology, single VANOS is like economy VTEC where it only operates on the intake at certain rpm ranges, where as double VANOS is like iVTEC where it works on both intake and exhaust throughout the entire range..?
But how do I get this in my car? Can I swap heads out or do I need a full swap? If so, what motors should I consider, keeping in mind I still want the 2.5 i6? I'm thinkin' about goin' turbo too so I that would be a factor..
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#2 (permalink) Old 05-24-2009, 11:41 PM
OMFG another one!?
 
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It's very complicated. Take your time in researching it!

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#3 (permalink) Old 05-25-2009, 04:50 PM
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Thank you for your informative response lol.
Like I said, I'm really hoping for a head swap I don't really wanna swap out a whole motor but I don't know enough about BMWs to know if one can even do so easily.
But if not, is there another engine that's similar to mine with the double VANOS?
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#4 (permalink) Old 05-25-2009, 05:30 PM
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You'll end up spending more money then the car is worth to swap in either a m52TU or m54 motor, because you'll have to run the cars harness, etc, to control the dual vanos, but then disable the OBDii components.. for basically zero hp gain. *slightly* wider torque band but same peak power output.

spend your 3+k on forced induction instead.

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#5 (permalink) Old 05-25-2009, 09:42 PM
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I say stick with the single vanos you already have and work from there.

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