General Category > General Discussion
Fuel Strips (Film type fuel sensor)
Jughead:
2006 R1200GSA - VIN: WB10382066ZN91388
Film Type Fuel Sensor - Never replaced.
Autoscan attached.
StephanT:
yes, the general feeling is that this is most prominent in North America... lots of speculation.. but one of the theories is the Ethanol content...
juhhyto:
I know there is not enough samples, but in Finland we have a 95E10 and 98E5. E is ethanol and 10 and 5 are %. Many drivers use the 98, engine is somewhat smoother with it, even though it is more expensive.
-juha-
Inspector Gadget:
Hi,
Just sharing my 5 eurocents;
We also have a lot of complaints of faulty film type fuel-sensors too, over here in the Netherlands.
If the bike is under warranty, 9-out-10-times the fuel-sensor will be replaced under warranty too.
However, BMW ceased warranty-replacements for a period of time due to excessive failures, so I'm told.
But often the fuel sensor ultimately keeps failing in the long run, eventually.
I have heard from users who are up to their third replacement within less then a year!
On my 2007 R1200RT the fuel level is permanently indicating full, likely because the fuel evaporated due to fuel-cap not sealing properly anymore and me not being able to ride it for a very long time.
Meaning, that the calibration is off/lost. (read: no miles ridden and fuel-level has changed dramatically, according to the "smarts" of the ZFE.
I'm also considering replacing the film type fuel sensor with the mechanism for a float-type, I can get the float-type from a scrapper for reasonably cheap. (from an 08/2010 R1200RT)
My thoughts are, as the GS911 can do the calibration, with the float-type installed (which is also resistance), I could try to get the ZFE to understand the resistance-value of the floater-type instead.
I have searched with g00gle to find if anybody endeavoured that already, but not found anything.
So, I could be very wrong.
kobus:
--- Quote from: DutchMidiMan on May 06, 2014, 02:25:21 AM ---My thoughts are, as the GS911 can do the calibration, with the float-type installed (which is also resistance), I could try to get the ZFE to understand the resistance-value of the floater-type instead.
I have searched with g00gle to find if anybody endeavoured that already, but not found anything.
So, I could be very wrong.
--- End quote ---
You would not be able to replace the fuel strip with a float.
They operate very differently. While the float is purely resistive, the film strip has a heating element and a measuring element that is current sourced. The ZFE, cluster and probably engine controller would need to be re-coded for a retro fit to be done, but I'm not even sure even if BMW can retro fit it (otherwise they would have done it because of all the failures by now?).
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