Sorry, but that's a tad naivePatgas1 wrote:... audi spent lot of time,development and money on cooling system so only right it stays.

Did they spend that same time, development and money on the DRC shocks, Oil cooler, Clutch system?
Audi exist to create shareholder value and there are a whole bunch of complex pressures across a corporation that constantly impinge on manufacturing and design.
I'm in no way defending Audi, believe me, I think it's shortsighted - but such is life these days.