Forum: X3 (E83) Forum
09-01-2007, 10:50 AM
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Replies: 3
Views: 1,966
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Forum: X3 (E83) Forum
07-03-2007, 12:09 AM
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Replies: 19
Views: 8,546
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Forum: X3 (E83) Forum
02-16-2007, 02:55 AM
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Replies: 28
Views: 3,808
Again, I never said it didn't have a speed...
Again, I never said it didn't have a speed sensor. All I'm stating is that the ECU that is controlling Transmission, X-drive, DSC has accelerometers that tell it actual vehicle speed, lateral...
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Forum: X3 (E83) Forum
02-16-2007, 01:52 AM
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Replies: 28
Views: 3,808
Wait a minute, I never said the speedometer is...
Wait a minute, I never said the speedometer is reading the transmission accelerometers output. This is your deductive reasoning at work. I wish it did. That would make things a whole lot easier and...
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Forum: X3 (E83) Forum
02-15-2007, 01:05 PM
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Replies: 28
Views: 3,808
Here is a copy of my post from bimmerfest.
...
Here is a copy of my post from bimmerfest.
Didn't really get a chance to take some meaningful pics of the Pirelli P-Zero Nero MS because of the recent weather but here are some pics in the...
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Forum: X3 (E83) Forum
02-15-2007, 12:58 PM
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Replies: 28
Views: 3,808
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Forum: X3 (E83) Forum
02-15-2007, 03:34 AM
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Replies: 28
Views: 3,808
What is this have to do with it. In my post I...
What is this have to do with it. In my post I said there are accelerometers in the transmission among other places that always know vehicle velocity, pitch, etc... I never made mention of a rotating...
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Forum: X3 (E83) Forum
02-15-2007, 02:08 AM
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Replies: 28
Views: 3,808
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Forum: X3 (E83) Forum
02-14-2007, 09:58 PM
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Replies: 3
Views: 1,966
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Forum: X3 (E83) Forum
02-14-2007, 10:43 AM
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Replies: 28
Views: 3,808
[quote=JCL]The point I don't get is the...
[quote=JCL]The point I don't get is the assumption that the car thinks the tires should be going a certain rotational speed. The only way the car knows how fast the tires are going is by the wheel...
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Forum: X3 (E83) Forum
02-14-2007, 12:10 AM
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Replies: 28
Views: 3,808
I took that into consideration when buying...
I took that into consideration when buying Pirellis. The 245/45/18 front, 275/40/18 rears are identical 26.7" in diameter and identical 780.4 revolutions per mile. Still the intermittent X-drive...
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Forum: X3 (E83) Forum
02-13-2007, 10:00 PM
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Replies: 28
Views: 3,808
Done a little more research and here is what is...
Done a little more research and here is what is probably happening. The X-Drive is going into default with all wheel lock up, meaning all wheel drive with no split. That is the X-Drive Unit I hear...
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Forum: X3 (E83) Forum
02-13-2007, 01:32 PM
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Replies: 28
Views: 3,808
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Forum: X3 (E83) Forum
02-13-2007, 12:34 PM
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Replies: 28
Views: 3,808
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Forum: X3 (E83) Forum
02-13-2007, 12:28 PM
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Replies: 28
Views: 3,808
The sound is coming from the differential,...
The sound is coming from the differential, transfer case area a bit to the rear of the car. And it is definitely computer related. Meaning the car is telling the DSG or X-Drive to do something. I...
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Forum: X3 (E83) Forum
02-13-2007, 01:42 AM
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Replies: 28
Views: 3,808
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Forum: X3 (E83) Forum
02-13-2007, 01:01 AM
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Replies: 28
Views: 3,808
Tire size programming, Please Help!
Does anyone know if it is possible to update the ECU to a different tire size. Installed New tires on MY 07 Sport pack and now getting an intermittent driveline noise at various RPMs and road speeds...
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