12-13-2017, 11:44 PM | #1 |
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Transmission not parked warning?
First of all, this is the first big snow storm we've had since I've got my new BMW and I must say that the xDrive is amazing. I was getting more traction than some trucks on the road.
However, after work I decided to try some donuts since the snow was not plowed yet. *Keep in mind the car was warmed up for a good 20-25 minutes before attempting*. I put it in Sport+ and ripped some donuts and it was fun and then all of a sudden at the end of a donut, the dash error "Transmission not parked". I pressed park and got the shifter in park and then you couldn't put in drive or reverse or do anything. I fixed the issue by shutting the car off and turning it back on and drove home and all is well. Never had this happen in any car and wondering what it is? Is it some type of safety feature, or did the transmission just slip or something?
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12-14-2017, 09:45 PM | #2 |
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Definitely interesting, never happened to me though.
Did your car come naturally with SAT or did you VO code it? Sounds like something would happen when you open the door when in reverse or drive and start to go. |
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12-14-2017, 09:50 PM | #3 |
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I VO coded in my SAT. It was definitely interesting. Next big snow, I'm gonna try it again and see if it happens again.
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12-16-2017, 02:55 AM | #4 |
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I'm sorry, but I read this thread as
"Hi, I decided to play around like an idiot, putting loads of heat into the differential and gearbox, and then got dash warnings about it" "Next time I get snow, I'm going to try again. Wonder what will happen ?". Whilst the car is designed to take use and (some) abuse, it is not designed for that sort of thing. Cars that are modified for that have big oil coolers for the gearbox and diff, uprated parts, etc. Want to break your car and wind up with a huge bill ? You're going the right way about it. |
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12-16-2017, 09:51 AM | #5 | |
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12-16-2017, 10:03 AM | #6 | |
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You can do it absolutely fine in RWD cars. But do it in AWD ones, and you will be putting huge stresses onto the centre diff. Which may then break. Remember that BMW can interrogate the ECU if that does happen, and it will tell them roughly what was happening when the failure happened. Customer stupidity / deliberate abuse of the car (another example would be driving the car in a low gear, bouncing off the rev limiter) will almost certainly invalidate your warranty. But hey. You're an expert, and knew all that stuff about wrecking centre diffs on AWD cars before, didn't you ? |
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12-16-2017, 10:08 AM | #7 | ||
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12-16-2017, 10:56 AM | #8 | |
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But (as I've already pointed out to you) it's the centre diff that's getting really overheated here, and at risk of breaking. Of course, you already knew about all that though. Because you're an expert who doesn't need comments unless they agree with you. Also, correcting a car that had spun out in the snow, compared to ragging the arse off it doing doughnuts is completely different. If you think that BMW wouldn't be able to tell the difference by interrogating ECU data, then you need to get a bit of reality. Something breaks, all the data about the incident and leading up to it is stored on the on-board systems. The dealer can send that data to BMW Germany, and they can tell what was happening and re-create it virtually. You asked what caused the problem. I told you the answer. It's the centre diff that is getting loads of abuse that it isn't designed to take. Do it repeatedly, and you WILL break something. Depending on the dealer and whether they send data to BMW AG, you may then have a big bill to show for it, or it may get fixed under warranty. Remember, your warranty only covers normal use. BMW USA state that they do not cover damage from "improper operation of the vehicle". Hell, it's your motor. Go for it. I enjoy a laugh. |
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12-16-2017, 11:07 AM | #9 | ||
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12-16-2017, 01:59 PM | #10 | |
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Your car is AWD. So your car has a differential that is constantly trying to send power to all 4 wheels. Whilst you can switch off DSC, etc. you can't switch off the AWD. When you are doughnutting in your car, the centre diff can't get power down to those front wheels, so that differential slips. That causes lots of heat, and eventually the differential internals get above what BMW have defined as a safe working temperature. So you start getting faults. I've already told you all this. But you don't seem to want to listen. Or maybe it's a lack of being able to listen. I'm not sure which. Whatever. I've explained why it's a stupid idea to do this in a AWD car. You don't agree. Go for it. |
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12-16-2017, 02:53 PM | #11 | ||
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I'm not trying to be rude and I do appreciate your input. I really hope you're not right though, otherwise I'd be very disappointed in the lack of thought and development that goes into such a well know AWD system. Also, I am talking about 3-4 donuts or even just wide slides, not trying to hold a donut for minutes. I think it could be a electronic connection or something got triggered by accident. I did more donuts a couple days after and it didn't happen again.
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12-17-2017, 09:52 AM | #12 |
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Haha, have you read threads about the center diff in these cars!?! It's a known weak POS. There's even a thread in this very forum on how to replace the commonly worn parts in it.
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12-17-2017, 10:14 AM | #13 | |
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12-17-2017, 02:33 PM | #14 |
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The centre diff isn't a POS. Over here, we get the 335d XDrive - 313 hp, 0-60 in sub-5 seconds. Lots of them run to 100k+ miles, and whilst there have been a few reports of problems, there aren't many at all.
Abuse it, and you shorten the lifespan. Use, not (ab-)use, and there's no reason it'll fail. |
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12-17-2017, 02:45 PM | #15 | |
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12-17-2017, 03:34 PM | #16 | |
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To expect a standard saloon car - even a premium brand - to stand up to heavy abuse without something failing is just nuts. You want the out-and-out performance variant, you pay the money and buy the M3, with it's trick carbon-fibre limited-slip diff and RWD. You bought a bog-standard (if nice to be in) moderately quick diesel saloon car, not some racing machine. Your expectations are completely unrealistic. |
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12-30-2017, 02:24 AM | #17 | ||
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01-01-2018, 11:08 AM | #18 |
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Again, this is a proper M car. With it's carbon-fibre, racing spec differential, and way more tech than your bog-standard diesel saloon.
The new M5 is AWD, yes. But it also has a process where you can turn off - fully - the AWD, and make it RWD only. Finally, you are comparing your driving to that of real, proper experts. People who actually know what they are doing. I suspect there are a number of flaws in your assumptions. |
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