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      12-04-2013, 06:26 PM   #232
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Drives: F80 SS/SS M3
Join Date: Mar 2008
Location: Park City, UT

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Originally Posted by pkim1079 View Post
My garage is an e90m3 and an e82 135i. Ive had an evo ix and my brother has had an evo x.

The 135i lag and lag in throttle response is HORRIBLE. Its my fiances car and even she complains about it.

The evos were different - lag was due more to boost but throttle response was much better (small ass turbos).
Well throttle response is not turbo lag. I will agree that the throttle response in the 135 is not the best. Thanks BMW for the throttle-by-wire crappy programming.

On the other hand, the N54 135 does not have bad turbo lag (I'm not saying no turbo lag) thanks to the small snail turbos that hit full boost at 6 psi. It doesn't take much exhaust pressure on the turbine to spin it up. I haven't driven an N55 but I've heard the turbo lag is worst than the N54.

But yes, I feel the same way about the throttle response.