Thread: HARTGE N63 ECU tune installed on my 550ix Drive - 490 Hp and 720 Nm
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      11-11-2010, 08:03 AM   #29
JOHNBMWM5
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Drives: 2022 LCI Marina Bay Blue/ Smok
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Quote:
Originally Posted by cidair View Post
The 550 has a smooth power delivery all the way from the bottom.
Torque is ofcourse much more brutal in the 550 ( 720Nm compared to 430Nm ). The 8-spd auto makes the car feel very diffrent from the vibrant M3.

550 - Flow
M3 - Punch
I am looking forward to mine.
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