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Old 07-11-2019, 10:51 AM
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bcredliner bcredliner is offline
.1 decrease 0-60 time = $1000 & DIY
Join Date: Jun 2008
Location: Little Elm,Texas. (40 minutes North of Dallas)
Posts: 7,199
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Originally Posted by andrewwynn View Post
Plug n play tune is of interest to me. I'm thinking along the lines of cold air intake and maybe an ECM reprogram for max low torque vs efficiency. Big deal if I get 14 vs 16 city.

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I agree more low end TQ is important. The tune that has the greatest HP increase will also deliver the greatest TQ increase. The tune might increase mileage. Unless, I could find verification that something else will augment the tune I wouldn't make any other changes as it will be matched to stock conditions

FYI, last I checked Dinan still offered the trans software for some models. It's well worth the price if available. It makes the shifts firmer, changes shift points to get more out of HP/TQ curves, increases the max RPM before wide open shifts and in manual it won't shift until you do so.
X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
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