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Tiptronic Transmission Switch - Turbo to C4S

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Given the number of views without replies, I figure I should add a little detail to my original post.

Basically, I have a 2003 Carrera 4S that has a Tiptronic transmission. As a result of a small leak coming out of a set of seals (that I and my mechanic are carefully monitoring), the spectre has been raised that I may need to replace my transmission at some point in the future.

I currently have an A96/35 Tiptronic S transmission (manufactured by Mercedes for Porsche), which was in the 2002 to 2005 Carrera 4 and 4S models. The 2000 to 2005 Turbo Tiptronic models had the A96/50 transmission, which is the same on paper (as far as I can see in Adrian Streather's book), except the final drive ratio is 2.89:1. Of course, these are both AWD models.

Further to the above, I have started hunting around for another transmission, and at an early stage I have noticed that there seem to be a lot more Tiptronics from Turbos (the A96/50) that are available on the market.

Thus, my question is if anyone knows if my 2003 Carrera 4S, which originally carried an A96/35, would be compatible with an A96/50, designed for the Turbos.

Loren or anyone, please enlighten me. Thanks!

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