A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

diverter valve

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Old 07-23-2004, 02:56 AM
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Default diverter valve

i heard that the TT has a stronger diverter valve than some of the more popular aftermarket ones is there any truth to this? if not which is one of the better ones to look at buying
Old 07-23-2004, 03:06 AM
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Default I've never heard of that

TT BPV has a stronger diaphragm than an A4 OEM BPV, but I doubt it is stronger than piston-type BPVs from Forge or Bailey. On the other hand, diaphragm-type BPVs should provide quicker and smoother response.

The question is, do you really need a fancy BPV? What other engine mods do you or will you have?

For most people who are just chipped on K03, the TT BPV should be enough. I'm running Forge DVR (diaphragm-type), which is serviceable (allows you to replace the diaphragm). But you can buy 5 TT BPVs for the price of one Forge DVR.
Old 07-23-2004, 06:25 AM
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Default I had a Forge 007 in my A4 and just bought a TT and put it in there. Great valve!

You can get it with free shipping and clamps from this place.<ul><li><a href="http://www.ttstuff.com/performance_turbo.php">Forge 007</a></li></ul>
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