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      01-30-2013, 09:51 PM   #21
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Drives: ESS twin-turbo roadster (E89)
Join Date: Mar 2012
Location: European in China

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Originally Posted by Red Bread View Post
MkIV Supras had an I6 with twin turbos.
You are right! That was already in the 90s, more than 10 years before the N54/N55 BMW. Thanks, and my apologies to Toyota.

OK, so perhaps BMW was the first to mass-produce all-aluminium twin-turbo I6 engines then. I believe BMWs N54 is 70kg/154lbs lighter than the older Supra 2JZ-GTE engine.
Little known facts about BMW: 1) The N54 is still in production and used in the current Z4 35i and 35is. 2) In a Z4 you can get sport+ steering combined with normal suspension etc by selecting DSC=off. (Update: DSC=off also offers sports steering in the M135i) 3) All Z4s with 19" wheels are still only offered with the worst performing OEM tires ever sold with a DCT equipped BMW (Potenza RE 050 RFT).