VANOS or no VANOS? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 11-13-2010, 04:34 AM
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VANOS or no VANOS?

Hello everyone i'm new to this forum.
Just wondering what bmws are faster, the 97-98 540i or the 99-2003 w/vanos. What are the advantages/disadvantages of vanos?
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#2 (permalink) Old 11-13-2010, 06:49 AM
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Welcome to the Werkz

From my understanding, and I may be corrected by others here, the 99+ models had a double vanos as opposed to a single on the earlier models that you are referring to. The 99+ M62 engine was referred to as the M62TU (technical update) and had better fuel efficency. I don't know that there was a big performance gain from the torque or HP perspective.


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#3 (permalink) Old 11-13-2010, 09:01 AM
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there was a slight torque improvement with the double Vanos afaik


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#4 (permalink) Old 11-13-2010, 02:47 PM
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I think there was a slight improvement in hp. From 282 to 290.

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#5 (permalink) Old 11-13-2010, 07:20 PM
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Double VANOS has better power delivery in more areas throughout the entire rev range. Overall, both engines are fairly equal with Double VANOS delivering better efficiency.
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#6 (permalink) Old 11-17-2010, 12:54 AM
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Yes, the newer engine makes either 290 or 291 HP and either 324 or 325 ft/lbs of torque,
depending on what you're reading, lol. The newer motor does make gobs of torque
just about everywhere.
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