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#1
05-02-2008, 10:44 PM
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Rough downshifts...
Noticing that her tranny is dropping into lowest gear with an abrupt bump while coming to a stop (2nd to 1st). I've done a search and came accross the infamous "rear end bump" some were experiencing. Seems there was some type of transmission re-programing upgrade for the 4.4i...
Any 4.6is/4.8is owners experience this and is such an upgrade available for Simone (X)?
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"Truth is treason in the empire of lies" Dr. Ron Paul "When the power of love overcomes the love of power the world will know peace" Jimmy Hendrix 
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#3
05-02-2008, 11:07 PM
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Quote:
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/ / / Michelle  Check Out My X-Page | Become an X5world Premier Member | Join the BMW Car Club of America | X5world on MySpace | X5world Facebook Group
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#4
05-02-2008, 11:52 PM
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yeah my 4.6is does this too but occasionally..if I was to take to the dealer for the reprogramming what do I tell the service advisor...???
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#5
05-03-2008, 11:59 AM
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my dealer recently upgraded my tranny software too, but I have to be honest I haven't driven the X in 2.5 months it's been sitting in my garage in FLA and it was delivered to the house so I have yet to test and see if it was fixed. I'll let you know in a week when I'm back in FLA
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2006 BMW X5 4.8is Lemans Blue/Beige/Dark Maple -Nav, Comfort Seats, Heated Steering Wheel, Rear Airbags, AUX Input
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#6
05-03-2008, 12:07 PM
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Use 30 secs reset method. It will solve the problem.
-Turn key to position 2. But dont start the engine. -Floor the gas pedal for 30-40 secs. -Release the gas pedal, step on brake and start the engine. -Drive FORWARD (Not reverse, so make sure you are out of your garage before you attempt to do the transmission reset) Do this every other month or when the transmission start slamming again.
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2002 X5 3.0 Siena Red Premium, Cold Weather, Rear Climate Packages, 19" Wheels Aluminum Running Boards, Clear Tail Lights, Clear Side Markers Titanium Kidney Grills, Titanium Trunk Lid, Xenon Headlights 4.6is X5 exhausts, 35% Tint, Aluminum Pedals 2005 530I Mystic Blue Premium Package, Sport Package, Xenon Headlights 18" Sport Wheels, 35% Tint all around Mods to come: M-Tech Front Bumper, M5 Side Skirts, M5 Rear Bumper Quad Exhausts, Style 172 19" Wheels
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#7
05-03-2008, 12:22 PM
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That sounds like trouble haha
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#9
05-03-2008, 08:16 PM
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NOVAX5...this seemed to do the trick!!! Ran a few errands this afternoon and no more rough downshifts. thanks for the feedback...
 Is it safe to assume that an upgrade is not required? Would like to know more about this SIB... Quote:
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#10
05-05-2008, 02:46 PM
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Can anyone else provide any info on the SIB or the name of transmission re-program/update?
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Linear Mode
