every box stated for the bitdi is the zf8-55. even found it on a part number website .. shocking... although i have heard this box is strong so... hence why they used it and not the S tronic
after doing some more searching i have found on the german ebay that the gbox is a zf8-55 which is rated to 550nm..... i find this very hard to belive since the engine has 650nm stock ?!?!?!?! why would you put a box in a car that has a lower rating than your engine produces from the factory...
the bitdi is simply an amazing feat of engineering. the 8 speed tiptronic box is also an amazing bit of kit 1000nm rated 8 speed planetary geared box extremely strong and fuel efficient. the reason it is used in the bitdi rather than the stronic is simply the stronic cant take the torque
been hankering after an a7 bitdi for a while now, having taken my a4 to 400hp its about done unless i want to spend alot more money and lose drivability not only that shes 8 years old so its time to move on.
Behold the Bitdi engine.
spec sheet...
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