General Category > General Discussion
Tyre Pressure TPMS / Wake-Up tool for RDC
e7navy1999:
Well said Inspector Gadget. I did order in some 2050's. Expect delivery tomorrow. I currently have a 2032 in the front tire and a 2032 in the rear but ....I did not glue it secure enough so it spun loose after 50 miles at 90mph. My bad as I epoxied it to the rim next to the TPMS module. The front tire I glued it inside the TMPS module so the centrifugal forces will hold into the TPMS pocket. Breaking the old glue out of the TPMS module is a piece of cake. The rear took my about 40 minutes because it was I first attempt and I had no vice to hold it steady. The front TMPS glue removal took about 3 minutes but also because I had a sturdy vice to grab it.
e7navy1999:
I installed the CR2050 in the rear tire. I did discover an interesting issue. When your console shows RED color rear tire (...I assume also a RED front) where the pressure number is place...you will absolutly need the GS911 to clear your fault codes before the sensor will wake up. I tried depressurization and my wake up tool, neither worked until I used the GS911 to clear the fault. Once I cleared the fault code the TPMS woke up and it read the correct pressure. After all this effort now the TMPS reads dead on. PERFECT 40PSI. So the CR2032 worked but the pressure was still off as per my previous post. With the CR2050 PERFECT with al three gauges as well as the console. SCORE.
Jughead:
I have had a few pressure monitors that read way more than the actual pressure. What I then do is to deflate the tyre completely (i.e. Remove the valve core). Let it sit for a few minutes and then use the wake-up tool to wake it up. Pressure reading is then "0". Reinflate the tyre and it usually then reads spot-on.
Inspector Gadget:
Good finds, will be helpful for future readers of this thread!
Also thank you for your persistence!
Kudos for that!
I would take a (very) wild guess that it possible also depends to a certain extend on which bike-model (and the RDC/Alarm-combined unit) how it behaves with reading the sensor before clearing the fault-code(s).
But on the other hand I wouldn't be too much surprised if this is "normal" behaviour under these circumstances, as undoubtedly BMW expects you to go to the BMW repair shop to get the sensor(s) replaced, learned-in and any errors in the "logs" to be cleared. And pay a hefty bill before you can step outside...
Also a Thank You to @Jughead!!
I do wonder if this "auto-zeroing" is done by the sensor itself or the RDC/Alarm-unit on the bike?
It does make sense to me, to "compensate" for barometric variations around the world? Perhaps?
e7navy1999:
The calibration function would be handy. I am at 5000ft. The bike is a K1600gtl 2012, 62k miles. I did purchase the Chinese TPMS units listed on ebay and now have them but there was no need to install them. They are about $25 bucks each free freight. They look identical to the BMW TPMS and even have a code on them. Anyway it has been a week and all it well. I am glad that I bought the GS911. It has come in handy 3 time this past year. Once for oil change code, once for electrical fault when my PIS flood lamp was hit by a rock and the third time to reset the TPMS fault. It already paid for itself! Bottom line: I gratefully thank GS911 for helping me save my kidney and liver from being sold off to pay the hefty BMW fees!
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