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      05-20-2008, 07:27 AM   #17
mapezzul
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Quote:
Originally Posted by GregA View Post
If only engine cooling has to be tested - why developing a whole prototype since such pre-production prototypes are very expensive if such tests can be run on cheaper mules of an existing model.

There are body shell X1 prototypes, testing the whole vehicle, and there are still some special testings going on - eg. under this 3er mule etc.

I guess they've experiences some cooling problems in the original body prototypes & decided to run additional cooling tests on cheaper yet sufficient 3er mules.

As I said: check the X1 spy pics & compare the nose with this one on the 3er: they are identical!


Yes they are identical, I see those massive kidneys in both. I figured costs were the reason, but sometimes the photos are just old....

Still confused about the cooling issues unless this is a new engine. Because there should be a ton of air flow through those grills.

Rumors still floating about the N53 in the 3... so maybe it is or maybe it is a new motor all together?

Last edited by mapezzul; 05-20-2008 at 07:52 AM.