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#1
09-03-2018, 11:18 PM
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Does anyone have a 4.4i Transmission Valve Body schematic, torque specs, etc...
Ive been having issues with intermittent jerking from 1st to 2nd mainly on cold morning starts and appears to go away sometimes during warm up. Im sure its the valve body or fluid. I have a spare valve body Im thinking of tearing apart and rebuilding but need the break down / torque specs, etc on it. I may try swapping out the fluids and filter but just in case would like to have a spare rebuilt set as Ive been told changing the fluid at my high mileage can possibly cause more issues. Ive also read some success stories so figured its worth a shot. My other option would be to get the tranny software update but is that something I can do or does it have to be dealer?
Any help or advice would be greatly appreciated. Thanks in advance
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2004 X5 4.4i 202k on odometer 
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#2
09-03-2018, 11:57 PM
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Good day!!
I tore down my valve body a while back... About 3/4 down on this page is the start... https://xoutpost.com/bmw-sav-forums/...roject-12.html I don't think I ever found a torque spec for the valve body itself... I just used the M6 bolt torque... Plus or minus a smige probably won't matter... 8.8 grade M6 bolt is 9Nm... 10.9 grade (doubt they are this, but) is 13Nm... You can do the software update if you have a laptop and cable.... and I used NCS Expert... It didn't correct my issue... HOWEVER!! I would just swap out the solenoids on the valvebody and change the fluid with LG6... If that doesn't get it, then consider the software upgrade... Might be better to have the dealer do it if you don't already have the set-up, or know someone with the set-up... Good luck!!! Cheers!!
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2001 E53 X5 4.4i (03-07-2001 build date) White exterior / hellbeige interior (6MT swap vehicle - Manny) 2002 E53 X5 4.6is (12-20-2001 build date) Imola Red exterior / M-texture interior (Red) 2003 E53 X5 4.4i (06-26-2003 build date) Silver exterior / Black interior (Silvester II) 2008 Mini Cooper S ragtop (04-17-2008 build date) Dark Silver exterior / Gray interior ( Topless) BMWCCA member (#4745)
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#3
09-04-2018, 08:55 PM
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Quote:
Did you end up changing the solenoids on there as well or did you just pretty much tear it down and cleaned it? I do remember you changing out the seals but wasn't sure if you changed anything else on there? Any tips?
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2004 X5 4.4i 202k on odometer
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#4
09-04-2018, 10:32 PM
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Quote:
I went super slow with the disassembly! Mainly due to unfamiliar with what to expect... Spring tension and valve orientation... IF you do pull the valve body part, get the NEW separator before you start... There are at least two versions!!! I also filled the trans in four stages... **Initial - fluid cold - engine off... **Started and ran for a second, then off - fluid topped - fluid cold... **Then started and left running - fluid warming - fluid topped - plug replaced... Moved shifter thru gears several times... engine shut down... **Allowed to cool fully (fluid over full)... Started and ran until trans temp was in range (monitored with INPA), pulled fill plug and allowed to drain until a slow trickle... replace plug... It is difficult to do with no dipstick tube... Good luck!!! Cheers!!!
__________________
2001 E53 X5 4.4i (03-07-2001 build date) White exterior / hellbeige interior (6MT swap vehicle - Manny) 2002 E53 X5 4.6is (12-20-2001 build date) Imola Red exterior / M-texture interior (Red) 2003 E53 X5 4.4i (06-26-2003 build date) Silver exterior / Black interior (Silvester II) 2008 Mini Cooper S ragtop (04-17-2008 build date) Dark Silver exterior / Gray interior ( Topless) BMWCCA member (#4745)
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#5
09-06-2018, 11:24 AM
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Look up the member RPhil. He rebuilds the transmissions as a hobby. Many different posts by him here and on the Jag, RR sites (same tranny). Much info
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A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams  2003 X5 4.6is Estoril Blue 2005 Infiniti G35X 1972 Datsun 240Z 1991 Isuzu Impulse XS Sold 1972 Fiat 850 Spyder Donated 1972 Datsun 240Z Sold 1972 Datsun 510 Sold 
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