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      09-28-2011, 04:24 AM   #26
mapezzul
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Quote:
Originally Posted by MERCSUk153 View Post
Got to agree with you here not to mention if you have anything go wrong with the turbo's it looks like it's going to be very very expensive to change them out as it looks like everything will need to be dropped. Doesn't look like it can be changed from the top.

Also with the turbo's so close to the firewall is not a great idea unless BMW has moved all the ECU's and CPU's to the trunk and all the electronics in the dash is sufficiently cooled and the heat from the turbos don't get through at all.
The turbos are in the top- this is a reverse flow V8 with the turbos in the "V" exhaust is inboard and the intake is outboard on the head. It is very easy to work on once the shroud is removed.

The ECU and all the electronics have their own water cooling circuit. There is a lot of over kill thermal technology- the thing runs cool.

90 degrees plus on the track is no issue whatsoever, doesn't even break a sweat- runs cooler than the E60 M5 in many situations.
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