i have the yaw sensor hooked up and i believe the mk60 sees it based on checking it in the software. i will have to check for pressure errors. on a side note, do you think it's possible to get the yaw data from the mk60 via canbus? i want to do some active aero and that would keep me from having to have a redundant sensor.

My yaw sensor works and I do not have the pressure imbalance error any longer after setting the F/R bias within the pressure window mentioned earlier in the thread as observed in INPA. The system has been flawless for me so far.

I've not see the yaw data mentioned, but I'll ask when the opportunity presents it's self.

Yuba,

Do you think having the pressure balance where the unit expects it helps, or is that a just in case precaution?

I'm not entirely sure, the other people I talked to went this route so I followed since it is known to work.

I stopped getting notifications and it looks like I missed some good stuff.
FYI, actual "ice mode" is simply ABS off.

Are you folks on the verge of figuring out how to program the MK60 at will? :)

I saw above mentioned using the wheel speeds over the CAN bus for traction control instead of the hardware outputs at the connector. Keep in mind the outputs at the connector are 10 times faster than the CAN bus wheel speed rate, Thus the hardware output is the preferred method for traction control.

Do you know what the data rate is exactly? I ask because I'm pretty sure BMW used the wheel speeds via can for TC

When you say 10 times faster, are you saying that the sample rate eventually can’t keep up at a certain speed, or the data transmission would lag and the speed output wouldnt represent the current speed? Do you know what speed it would be good to in the first case? Sorry if I’m not wording this right, I’m not good with serial stuff. I only need traction control up to about 70-80mph in most cases so I can just simply shut it off after that.

Less than a millisecond response time on the output at the connector. So it is probably even more than 10 times faster. IIRC those channels on the CAN bus are at 100Hz on the Mk60E5 and probably (not 100% sure) 50Hz on the Mk60

yowzers. i guess it'll work up to 10mph lol

The firmware (i.e. what you have flashed in) of some of these Teves ABS units does the traction control for acceleration itself. What the ABS unit does over the CAN bus is to tell the ECU how much torque it wants from the engine at every moment it is running TC.
The wheel speeds outputs over the CAN bus are mostly for logging/display. That's how it is in the race cars. It is probably the same with all BMW TC.

I was finally able to get the canbus to start sending out. Using all zeros in the dummy data only kept it running for about 20ms. I found that discord page, found the dummy data in that picture posted. It all seems to be working. I also did a test and changed some values in the vin on 610h and it still worked fine so exact vin is not neccessary. The dummy data on 316h, 329h, 613h, and 615h is all that mattered with some vinlike number on 610h. I did the dummy data at 10ms/100hz and the 610h at 1000ms/1hz. Not sure how important it was but it worked.

That's great, I guess you can confirm the data update frequency is still too low to do anything like TC right?

The data comes in on the bus at 7ms which is the fastest I've seen any data come through a canbus in my Nissan/BMW experience. That isn't to say that the wheel speeds are being output at that speed, but I can't see any reason it wouldn't be. I don't know what would be required from a system to have a quality TC, but I do know 350z/370z only source of wheel speed, the address is broadcasted at 20ms. I wouldn't necessarily call Nissan traction control anything to brag about though for any performance orientated help.

OEM TC is generally designed to be safe, not to maximize performance, so I don't know that the 20ms is the limiting factor here.

At 7200 RPM a 4-stroke 4-cylinder will see an ignition event every 4ms. To be as good as possible, you'd probably want to see 2 or 3 wheel speeds inside that interval, so getting them at 10ms is probably not quite as fast as you'd like. How much that actually matters though, I don't know.

--Ian

Dumb question.......does the unit require two 30 amp feeds for a total of 60amps or is there just two wires ran to a single fuse?

IIRC from my look at the OE wiring diagrams, it actually goes to two 30A fuses. I’m not sure if it’d ever draw 60A, that’s a hell of a lot, but my install was with two wires and two 30A fuses.

Do you still have the usual fault codes if you do this? Specifically the one related to steering angle sensor/LWS? If not, I would be concerned about potentially getting unintended stability control/ESC activations.

Not sure if anyone else would benefit from this, but I figured I would share my pump mounting solution.

I bought these: https://www.mcmaster.com/4403K84


https://cimg4.ibsrv.net/gimg/www.mia...a3d0958a5.jpeg

Then I made some jigs:


https://cimg8.ibsrv.net/gimg/www.mia...177c0865a.jpeg

then I made some cuts and drilled some holes:


https://cimg9.ibsrv.net/gimg/www.mia...0d79f8db3.jpeg

The spacers let the pump clear the shock tower and no welding required. The plate could use some refinement as I spun it up quickly, but the above is functional/i can upload the STL if someone wishes to do similar.

I thought it would be nice to tuck mine up under the dash out of the way...... except you have to run all the lines under the dash so it's a royal pain in the ass
https://cimg7.ibsrv.net/gimg/www.mia...7c1dddb08d.jpg