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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 02-04-2013, 07:50 PM   #1
terzinator
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Join Date: Jan 2013
Location: Twin Cities MN
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My Ride: 325iT 5-sp RWD Sport
What does the Bentley manual call the DISA Valve?

I've searched the index for "Intake manifold adjuster valve" and "air adjuster valve" (and DISA obviously); I've looked through all of the FI and Engine Removal sections; but I can't find anything about the DISA valve in the E46 Bentley manual.

I've searched the forums and googled to beat the band, and nothing.

Closest I came to an answer was on the Bentley Tech Forums. They mention the DISA in one of the threads, and there's actually a link back to this forum. And one of the posts says this:

"On a side note, the dealer calls it a DISA valve but Bentley and Bavarian Autosports don't use that name. The BMW part number for the 2003 330xi is 11617544806."

http://tech.bentleypublishers.com/me...ssageID=346157

So... What DOES Bentley call it? And where is it in the manual?
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Old 02-04-2013, 08:26 PM   #2
cityjohn
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Try "resonance valve," "intake manifold resonance valve," "changeover valve" or "adjuster unit." There's a photo on Page 610-26 of Bentley. It's mentioned elsewhere, for example in sections 100 and 113. Good luck.
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Old 02-04-2013, 10:12 PM   #3
terzinator
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well, dayum. There it is. Thanks.

Found the 610-26 reference, in the photo of the whole engine...

Found it mentioned in the 100 section, where it says that it's supposed to spring open at mid- to high-rpm operation.

I'm guessing they don't explode the thing in a diagram, though! Just kind of crabby it's not mentioned anywhere in the index, nor does it talk about how to test, remove or replace.

I've found plenty of threads and DIY's on it here, so I'm up to speed. But I just got the manual and it was the first thing I thought to look up.

I gotta say, the manual's index is kind of pathetic.
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