Anyone know what BPVs they are running in the RS6? They look like same Bosch BPVs....
07-09-2004, 02:09 PM
#7
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I don't know if there is a thread or faq... the As and Bs are prone to failure, even fully stock ...
iirc the Ns have a thicker diaphram and heavier weight spring and are less prone to failure.
My car surged alot under boost, I replaced the 710As w/ Ns and it solved the problem. Both of the A BPVs were leaky. The car was stock at the time. BTW - Before replacing them, I had asked the dealer to look at the BPVs and they told me they were fine.
My car surged alot under boost, I replaced the 710As w/ Ns and it solved the problem. Both of the A BPVs were leaky. The car was stock at the time. BTW - Before replacing them, I had asked the dealer to look at the BPVs and they told me they were fine.
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07-09-2004, 02:10 PM
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NO, they are newer but have a much softer spring rate. Use the "N".
The RS6 came with 710N valves inititally.<ul><li><a href="https://forums.audiworld.com/rs6/msgs/3974.phtml">https://forums.audiworld.com/rs6/msgs/3974.phtml</a></li></ul>
07-09-2004, 02:24 PM
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Yes, someone dismantled them and...
the diaphragm material in the N was tougher and harder to rip than that in the A or B. It's on someone's personal website but a search on DV or BPV testing might find a link.
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