Quote:
Originally Posted by xlover
I doubt Toyota even influenced the actual engine output tune. Likely only the throttle feel and responsiveness.
Th current version in the Supra is the same tune/component build as is in the x5. The upgrade will just move it to the same tune/build as the US Z4/M340/X3 M40i
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The tune is actually slightly different from the X5.
The Supra is tuned for greater torque output, and max HP comes on slightly sooner than on the X5: