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#1
03-06-2016, 10:13 PM
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Unsure of my rebuilt tranny behavior in sport mode
So, is this a normal behavior response of the tranny that the rpm does not really change when switched to sport mode (S) and it is only when accelerated it would hold or delay rpm to a higher rev. Or rpm should immediately go higher every single time when switched to (S) sport. thx all for any help. 
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#2
03-06-2016, 10:19 PM
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While driving? Actually I don't quite remember. I usually manual down shift when going sport, you know to rip some noob with a loud exhaust.
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2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5
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#3
03-06-2016, 10:45 PM
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It sounds like it is working properly. If you are not on the accelerator, just holding your speed on a flat, it won't change gears when you switch to Sport Mode. Shifts points are changed, so yes, it will shift at a higher rpm.
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Current- --2003 X5 4.6 Estoril Blue Black Nappa leather rear air bags OEM nav OEM hitch OEM cargo liner Black housing SPYDER headlights - Evo-XR projectors 2017 GMC Sierra, 7K miles... 2017 GMC Sierra, 60K miles... 2015 GMC Sierra 280K miles... 2011 GMC Sierra, 500K miles... Previous wheels: --First love~ 1969 Chevy C10, 396BB bored, 3 on the tree, Black ~SOLD~ --2011 Chevy Silverado LT 2500HD CCSB, Black, 250K miles ~SOLD~
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#4
03-07-2016, 12:06 AM
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Quote:
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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#6
03-07-2016, 10:22 AM
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Ditto what others said above. Based on what you wrote...it sounds like the transmission is operating normally.
Moving the gear shift into the DS (automatic sport mode) doesn't change the engine's RPM (even if done while the vehicle is in motion...unless it causes an upshift or downshift)...but it does affect how the transmission shifts when accelerating: (see DS = Automatic mode, sport program). The DS (auto sport mode) elongates shifts to take advantage of the engines power reserves.  
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#8
03-07-2016, 12:53 PM
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Thank you so much all for the clarification. I was under the impression something was wrong with the rebuilt transmission. I needed to confirm from other E53 owners if this was normal behavior. And thanks to 'Qsilver7' for the reference. Much appreciated!
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#9
03-07-2016, 01:27 PM
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#10
03-07-2016, 06:43 PM
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Quote:
To me, it feels like D is more like S now. And the difference between the two modes is much less than it was before I did the update. In D mode, my X is faster off the line and holds a gear longer than it previously did. It also lost 1-2 mpg; from a consistent 16.5 mpg down to 14.5 - 15.5mpg.
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2006 X5 4.4i Sport package, summer package, cold weather package, DSP + Nav Bought 2/14 with 73k miles
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2003 bmw x5 3.0i ,219000km build date 2003-08-18
Linear Mode
