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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 12-22-2010, 01:20 PM
jkelly12 jkelly12 is offline
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Transmission problem

hey guys i have an issue with my transmission and hope someone can help. when i start it up in the morning i have no problems shifting into reverse or drive. if i take a short trip no issues. after the car is warmed up good and i stop and then restart it i have an issue. when i put it into reverse or drive this message come up on my instrument cluster "Trans. range N only with engine on!" when that pops up the shift selector goes into P. but if i give the car some gas it wants to go forward even though the selector says its in park. if i put it in to neutral and give some gas then i can put into R or D and then drive off and have no issues until i restart the car. i also get this message in the idrive screen "The transmission automatically shifts into P when the car is switched off. Please contact your BMW center." this comes on the idrive right after the first message shows up in the instrument cluster. the car is a 2002 745li with 144k. any ideas?????
thanks
pat
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  #2  
Old 12-22-2010, 07:38 PM
jkelly12 jkelly12 is offline
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anyone??

anyone have any ideas???? help!!!
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  #3  
Old 12-23-2010, 04:29 PM
jkelly12 jkelly12 is offline
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hello??

come on people. i cant be the only one with this issue. please help!!!!
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  #4  
Old 12-23-2010, 05:47 PM
jbhoot jbhoot is offline
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Can you read the error codes, if so what are they. Also check Wilson's excellent DIY on the transmission. There are many reasons why this can happen - all covered in Wilson's DIY.
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  #5  
Old 12-23-2010, 06:24 PM
jkelly12 jkelly12 is offline
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codes

no error codes. do u have a link to the diy?
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  #6  
Old 12-23-2010, 06:49 PM
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MakaveliFaison MakaveliFaison is offline
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My car did that the day before my alternate went out
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  #7  
Old 12-23-2010, 06:52 PM
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MakaveliFaison MakaveliFaison is offline
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and of course kept doing it up until the alternate went out completely. once I put new alternator in I never got any trans errors again
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  #8  
Old 12-23-2010, 07:32 PM
jkelly12 jkelly12 is offline
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it only does after the car is warm. no issues on cold start. i dont think its an alternator. will low fluid do this??? keif?? wilson??? anyone??
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  #9  
Old 12-23-2010, 07:59 PM
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MakaveliFaison MakaveliFaison is offline
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Fluid could do that also. I remember someone recently changed fluid and didn't put enough.
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  #10  
Old 12-23-2010, 09:27 PM
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7Figurez 7Figurez is offline
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I had an issue with my actual electronic shift lever on the steering column.. The way I tested this was put the car in drive and then bang your palm on the top part of the steering wheel, as if you were hitting the top part of the steering wheel.. If the car jumps into any other gear then it is a bad gear selector lever.. You will want to test this when you are at a stop
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  #11  
Old 12-24-2010, 06:43 AM
jkelly12 jkelly12 is offline
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if it was gear selector why would it only do after car is warm. when cold i have no issues?? somebody must have had this issue. i cant be the only one. anyone have ideas???????
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  #12  
Old 12-24-2010, 10:51 AM
revrun revrun is online now
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Could low transmission fluid cause this problem? Sure. The key question is do you have a transmission fluid leak? If you don't see fluid on the ground then it is probably not the problem. It's easy to check the level of your tranny fluid. Take it to a mechanic or try a oil change place. With the car running...ask them to take out the fill plug on the tranny. A little should come out. If the car is not running it will come out like a gusher...no bueno. If you have fluid then you should look somewhere else. BTW...a tranny fluid flush/fill/change can have great results in a variety of issues. Worth doing if you haven't yet done so.

The more likely culprit is an electrical issue. MakaveliFaison's answer is where I would start. If the battery/alternator is not able to produce the precise voltage needed, then things get ugly. So, you might try checking the voltage. Or, perhaps easier to start, just put a battery charger on your car. Watch the charger as it starts. If your battery takes a good charge, then your battery voltage was not up to snuff. Put a good charge on your battery and see what happens. Once your battery is fully charged, it will be easier (cheaper) to have the dealer or mechanic check your charging system for issues.
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  #13  
Old 12-25-2010, 07:23 AM
Keif Keif is offline
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Have you had someone pull the faults on a computer, or did you just check the I-drive? I ask because barely anything useful will show up in the i-drive generally, but the modules themselves are great about being very specific about problems they have. You can then have solid information to further narrow down whether it's an issue with the gear selector lever, mechatronic sealing sleeve, low trans fluid, etc.

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  #14  
Old 12-25-2010, 09:12 AM
jkelly12 jkelly12 is offline
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I just have a cheap code reader and it will not pull any codes. I think I will have to take to the dealer. It only happens on warm starts. No issues on cold starts or if it sits for an hour or so. What does your gut think it is keif?
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  #15  
Old 12-26-2010, 04:44 PM
jkelly12 jkelly12 is offline
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Anyone?? There must be someone who has had this issue. I can't be the only one.
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  #16  
Old 12-27-2010, 09:39 AM
jbhoot jbhoot is offline
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A cheap code reader will not read the error codes. As Keif mentions, to diagnose correctly, you should really get the error codes read. A dealer or Indy can do this easily.

The simplest thing to try is to see if you are low on transmission fluid. But there is no transmission dipstick - you have to follow the procedures in one of the links below. If you have never changed your transmission fluid, you should do that as well. Here are the links to Wilson's DIY.

http://www.bimmerfest.com/forums/sho...d.php?t=502987
http://www.bimmerfest.com/forums/sho...d.php?t=502985
http://www.bimmerfest.com/forums/sho...d.php?t=502966
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  #17  
Old 12-28-2010, 12:48 PM
stlbmw stlbmw is offline
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I had this problem with my 7. Transmission throwing all sorts of codes. Parking Brake error, rough shifting, loud bang when pressing the gas pedal as if I was rear ended. BMW told me I need a new tranny. They said the 7's have this problem and wanted 10K to make my problem go away.
I managed to get my problem to go away all by myself. I unloaded that car toot sweet. That fixed my problem.
No Joke, had all sorts of problems with my 7 transmission and computer. BMW never fixed the 7 and honestly the family would not drive the car; they did not trust it. Wound up getting rid of the "ultimate driving machine". Too much stuff on these 7's.
I chased problems with these cars for 3 years. I had had enough.
Just my 2 cents
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  #18  
Old 12-31-2010, 06:56 PM
jkelly12 jkelly12 is offline
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anyone out there??? who else has this same problem???
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  #19  
Old 12-31-2010, 08:14 PM
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csmeance csmeance is offline
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I currently am getting this fixed on my 7. Apparently the dealer said I have a leaking pan gasket, a broken seal on the machantronics unit (sp?) and was a bit low on fluid. I'll post up the repair info once I get the car back. I got a fault saying Transmission Fault, P, R, D1, D3, D4 and D5 may be unavailable as a fluke once, and as well the car refused to go into drive sometimes from reverse on slopes. Yesterday I got another Transmission Error and took it in.
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  #20  
Old 01-02-2011, 11:17 AM
PK3 PK3 is offline
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I've been getting very similar issues withthe tranny. I only seem to have problems as you describe when it warms up to operating temps. Cold......no problems.
I'm taking it to the dealer tomorrow.

I reread your first post. I have exactly the same thing........please let me know what your fix turns out to be.

Last edited by PK3; 01-02-2011 at 11:20 AM.
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  #21  
Old 01-02-2011, 05:19 PM
jkelly12 jkelly12 is offline
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looks like a few of us have this same issue. now i am getting transmission failsafe and the car goes into limp mode... only after car is warm. if i only needed to take 5 min trips i would have no issues. somebody must have had this. please tell us what the fix was.
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  #22  
Old 01-02-2011, 05:55 PM
ikob ikob is offline
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do you have starting problems? like you trying to start it and only what you can hear is clicking sound and you have to keep trying to start before car will start?
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  #23  
Old 01-02-2011, 06:13 PM
jkelly12 jkelly12 is offline
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nope it starts right up and goes in reverse and drive no issues when cold. once car warms up then i have the issues described above.
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  #24  
Old 01-03-2011, 10:34 AM
PK3 PK3 is offline
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Mine always starts up fine...........no tranny problems when cold..........none whatsoever...........after getting to operating temp (tranny) then the problems begin. Short trips around town do nothing..........no problems.
Drive for 10 to 15 miles and get it up to temp...........can't get out of park. sometimes.

Its at the dealer today..........I'll post the results.
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  #25  
Old 01-03-2011, 01:19 PM
jkelly12 jkelly12 is offline
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Pk3 let me know what they tell u. I brought mine to the dealer last thursday. They are so busy they don't know when they can look at. I hope i get lucky and it's nothing too bad.
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