Here are the ones that Toyotas make
http://cgi.ebay.com/ebaymotors/2JZGTE-IN...eQ5fCarQ5fParts

http://ep.yimg.com/ca/I/supra_2067_17439
http://ep.yimg.com/ca/I/supra_2067_158186

M3 http://www.europeancarweb.com/tech/epcp_0908_2004_bmw_m3/photo_07.html

I think Toyota are the ones making much more HP then BMW's in there turbo 6's.
Also the Supra engines can handle up to 850 HP with a stock long block IIRC.

Not saying that BMW's are bad.
My good friend is a designer for BMW.

MBHD

12 port SDS EFI