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7 Series - F01 / F02 (2009 - current)
The new re-designed 7 series F01 / F02 leads off the BMW Fxx chassis code!

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  #1  
Old 10-31-2010, 11:54 AM
kmeand kmeand is offline
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2010 7 series F01 transmission failure

Has anyone any knowledge of an issue with 2010 730d M Sport transmission failures. I collected my new vehicle and within two days the transmission diengaged or downshifted violently, causing minor injury.

Dealer sees the fault code but cannot work out why it did it - fault code cleared and vehicle returned to me. Drove 10 miles OK. Next day (day 4 of ownership) then 6 times disengaged - once on a bend which resulted in the rear end losing traction and slipping sideways. A fault warning comes up on iDrive and the vehicle locks into 2nd or 3rd gear, and tells me to seek assistance. Once the fault has occurred the vehicle cannot select reverse or the semi auto gate. It basically lets you drive at up to 35mph (at 4500 rpm) and tells you to seek assistance. I told the dealer to pick it up on a flat bed truck and haven't seen it since.

So I have a brand new vehicle that is clearly not right - and dealer can't find out what is happening.

Is this a known issue or do I hand it back and ask for my money back?
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  #2  
Old 10-31-2010, 01:34 PM
huanjf huanjf is offline
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Location: Durham, NC
 
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Quote:
Originally Posted by kmeand View Post
Has anyone any knowledge of an issue with 2010 730d M Sport transmission failures. I collected my new vehicle and within two days the transmission diengaged or downshifted violently, causing minor injury.

Dealer sees the fault code but cannot work out why it did it - fault code cleared and vehicle returned to me. Drove 10 miles OK. Next day (day 4 of ownership) then 6 times disengaged - once on a bend which resulted in the rear end losing traction and slipping sideways. A fault warning comes up on iDrive and the vehicle locks into 2nd or 3rd gear, and tells me to seek assistance. Once the fault has occurred the vehicle cannot select reverse or the semi auto gate. It basically lets you drive at up to 35mph (at 4500 rpm) and tells you to seek assistance. I told the dealer to pick it up on a flat bed truck and haven't seen it since.

So I have a brand new vehicle that is clearly not right - and dealer can't find out what is happening.

Is this a known issue or do I hand it back and ask for my money back?
Ask your money back!! Car is a lemon
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  #3  
Old 10-31-2010, 07:24 PM
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texgeekboy texgeekboy is online now
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Quote:
Originally Posted by kmeand View Post
..Is this a known issue or do I hand it back and ask for my money back?
I don't recall any mention of this on the forum. I'd turn it back in pronto.
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  #4  
Old 11-01-2010, 07:26 AM
kmeand kmeand is offline
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Mein Auto: 2010 703d Msport
DBS600 - the "injury" was minor - the car dropped a gear or two, decelerated agressively. I shot forwards, bracing myself against the wheel, head bounced back, glasses fell onto the floor. Next day my back and arms were aching. Not a hospital case by any means but more than enough of a shock to be nervious about driving it again.

In the instance it lost traction on a bend, I suspect if I had been driving more aggresively the car would have got very out of shape.

The dealer wants to replace the electronic parts (which are on back order at Germany apparently). I have advised them that if they cannot tell me categorically what was the cause I am not prepared to be a test subject as they change parts until it stops happening. They have until 1200 Tuesday to respond or my lawyer will formally reject the car and ask for all monies back.

The car, IMO, is unsafe, unstable, unroadworthy and unreliable.

Expanding on the problem - the first time it was pretty agreessive - the diagnostics said it happened at 35mph, and I lost my glasses. Thereafter, possibly because I was driving cautiously, it felt like disengagement, rather than a harsh downshift. ignition off and on again cleared the limp mode, but it would happen again at around 15-20 mph. On a bend the sudden loss of power resulted in loss of rear traction (it was raining hard), and a sideways movement of no more than a few inches - but enough to scare my daughter so much that she doesn't want to get in the car again.

I would not be happy accelerating through a bend at all now, and driving has been cautious at best.

It did not occur when coasting though - only when accelerating. You could hear the engine note change just before the disengagement, so I could predict when it would happen and ease off. That's before I sent it away on a truck of course
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  #5  
Old 11-01-2010, 08:01 AM
Deutsch100 Deutsch100 is offline
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I am SO sorry to hear this. Our 2007 750Li and my friend's Mom's 2008 750Li had very similar problems. Seriously, the first time our transmission did this in our '07 7 Series...we thought we hit something or was rear ended. It was honestly violent....so I believe and understand what you are saying.

I did not think the new 2009+ 7 Series had any of these transmission issues; I think you are the first person I know to have had this. This is probably my 8th new BMW since 2004....and the transmission in my 2010 750i is th BEST and smoothest transmission I have ever had owned (it rivals or matches our 2008 S550). Again sorry & please keep us posted, as to what your BMW dealership does.
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  #6  
Old 11-01-2010, 11:32 PM
OneNightStan OneNightStan is offline
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The older generation 7 series (E65, E66) had major tranny problems. I also experienced what i thought was a rear end accident on my old 7 but turns out to be my transmission kicking into gear... i literally got out of the car to check lol. But anyway, the new 7s are much better and I have yet to see this problem yet.
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  #7  
Old 11-02-2010, 07:38 AM
huanjf huanjf is offline
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When I back out my car yesterday, it was shaking (back and forth). Not severe but unpleasant. First time I experienced my car doing that.
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  #8  
Old 11-03-2010, 01:55 PM
kmeand kmeand is offline
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Mein Auto: 2010 703d Msport
Quote:
I'm not sure what the law is in Scotland, but I believe in most, if not all, US states, you have to give the dealership the opportunity to fix the problem before you can be successful in claiming lemon; it's just that each state differs w/r/t the number of attempted repairs, durration of time you are without your car - while it is in service, mileage within which you must report same, etc. I would give your dealership full lattitude to attempt a repair, otherwise, it may reflect poorly on you not giving them access to do same and may hinder your ability to claim lemon and have BMW buy it back. Otherwise, start looking to sell it privately ASAP now, so that it isn't devalued much by age / milage. Sorry for the not optimistic view. Having experienced what you've experienced must not have been pleasant at all. Who knows... maybe just by the amount of time it sits at the dealership waiting for the parts, which are on back order, you would have met your country's / state's criteria for time without your car...
Thanks - I can hand the car back but have given them a final chance as I would rather have the car (it is only 6 days old and I only drive it 90 miles or so).

Apparently the mechatronik (?) unit is needing replaced as the valves controlling the gearbox are sticking. They claim that it can happen but nomally clears itself after a limp mode. Mine clearly hasn't cleared and is quite agressive - BMW UK have seen the fault once or twice and recommend this replacement part. Having spoken with my lawyer I am happy I can walk away at any time as they are probably fearing the litigation or bad publicity, and I have been fairly robust in my dealings to date on this matter.

The dealer has not covered themselves in glory but do seem to be trying to expedite the problem now. The part is being delivered tomorrow (2000 worth). They are going o drive 100 miles over the next few days. If it does it one more time I will drop it of at the dealer and wave bye bye. Range Rover that just went was more reliable (and that's saying something for a RR)

It does sound as if they are seriusly concerned enough to fix it at any cost and "sort me out for my troubles"

Will post what happens. If I end up backwards in a field you can take it the repair didn't work.
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  #9  
Old 11-16-2010, 05:37 AM
kmeand kmeand is offline
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Mein Auto: 2010 703d Msport
Update on transmission

After 10 days off the road the 7 came back - along with a bit of legal back and forwards. I was not going to take it back without them assuring me it was fixed and with specific recordd of the fault code and manufacturers position. They gave me the various details and the manufacturer confirmed that it was a new mechatronic unit that was to be fitted. 100 miles of testing and a full valet and the car is back.

It is 99% fine - early mornings in Normal mode 1st gear can be a bit snatchy but it loosens up after 10 miles.

I will wait and see if this remedies itself. No sudden jerks or disengaging yet. Compensation from manufacturer and dealer is in progress.

Thanks for your advice.
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  #10  
Old 01-08-2011, 06:44 AM
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swb3 swb3 is offline
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This sucks I hope they resolve it for you. I would be ready with your camera phone if any error messages show up, you can never be sure they will be able to identify every one of them that has popped up it has helped me prove I was not full of S$#t in the past.
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  #11  
Old 12-14-2014, 04:28 AM
aligul aligul is offline
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Mein Auto: 2011 730d
Post 730 transmission Hi i have 730d m 2011 and had the same issue went bmw specialist an

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Quote:
Originally Posted by kmeand View Post
Has anyone any knowledge of an issue with 2010 730d M Sport transmission failures. I collected my new vehicle and within two days the transmission diengaged or downshifted violently, causing minor injury.

Dealer sees the fault code but cannot work out why it did it - fault code cleared and vehicle returned to me. Drove 10 miles OK. Next day (day 4 of ownership) then 6 times disengaged - once on a bend which resulted in the rear end losing traction and slipping sideways. A fault warning comes up on iDrive and the vehicle locks into 2nd or 3rd gear, and tells me to seek assistance. Once the fault has occurred the vehicle cannot select reverse or the semi auto gate. It basically lets you drive at up to 35mph (at 4500 rpm) and tells you to seek assistance. I told the dealer to pick it up on a flat bed truck and haven't seen it since.

So I have a brand new vehicle that is clearly not right - and dealer can't find out what is happening.
Hi i have 730d m 2011 and had the same issue went bmw specialist and after the diagnostic been told that reverse gear solenoid not responding and if one doesnt work car doesnt go to any gear or allow you to change even manually
Solenoid is inside the methatronic and sump needs to be taken out then they can reach that its got 6 solenoid i am not sure which one of yours is responding but if you cant reverse i am guessing it is the rear one part itself 250$ australian dollars but also involved replacing methatronic sealing sleeve and data plug and few other items if you did get a message saying that drive at moderate speed to bmw seems like a copy that i had
I hope your car is under warranty because total bill i paid was 2874 australian dollars


Is this a known issue or do I hand it back and ask for my money back?
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  #12  
Old 12-14-2014, 04:30 AM
aligul aligul is offline
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Location: Melbourne
 
Join Date: Dec 2014
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Mein Auto: 2011 730d
Hi i have 730d m 2011 and had the same issue went bmw specialist and after the diagnostic been told that reverse gear solenoid not responding and if one doesnt work car doesnt go to any gear or allow you to change even manually
Solenoid is inside the methatronic and sump needs to be taken out so then they can reach that its got 6 solenoid i am not sure which one of yours is responding but if you cant reverse i am guessing it is the rear one part itself 250$ australian dollars but also involved replacing methatronic sealing sleeve and data plug and few other items if you did get a message saying that drive at moderate speed to bmw seems like a copy that i had
I hope your car is under warranty because total bill i paid was 2874 austRalian dollars
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  #13  
Old 12-14-2014, 08:43 AM
SkyDan SkyDan is online now
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IMO nothing like that should happen in a new car especially 7 series. The BMW needs to take the car back and give you a new one. The problem is just too severe to try and fix and see what happens next. It may cause a serious crash that can be fatal. I don't know if you will ever trust your car 100% after experiencing those highly unpleasant moments.
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