Mike Benvo wroteIs this the sensor you're talking about?Mini-HFM is the small air mass meter on the secondary air circuit. It measures the air from the Secondary Air Pump through the head to make sure there is no restriction or blockage there.
Mike Benvo wroteWhen you say left, are you referring to the drivers side?No, that's the MAP sensor for measuring pressure in the manifold. The mini HFM is located by the rear left side of the plenum by the air pump inlet. You can't really see it with the cowling in place.
tinman831 wroteVehicle left and right is always viewed from the drivers perspective.When you say left, are you referring to the drivers side?
http://www.realoem.com/bmw/showparts.do?model=VA91&mospid=50623&btnr=11_4132&hg=11&fg=50
Are you talking about #11 in this diagram?
Sorry about my noobness, and I
really appreciate your help.
s85e90 wroteGood to know. The same convention is used in anatomy and physiology.Vehicle left and right is always viewed from the drivers perspective.
tinman831 wroteI've got the same error code, 2739 - P2433, accompanied by 27C5 - P2430.http://www.realoem.com/bmw/showparts.do?model=VA91&mospid=50623&btnr=11_4132&hg=11&fg=50
Are you talking about #11 in this diagram?
ibrandt wroteIt's all one piece. The hose has the meter built into it and replacing it should solve those two codes.tinman831 wroteI've got the same error code, 2739 - P2433, accompanied by 27C5 - P2430.http://www.realoem.com/bmw/showparts.do?model=VA91&mospid=50623&btnr=11_4132&hg=11&fg=50
Are you talking about #11 in this diagram?
Is the mini-HFM just sold as an integral part of the suction hose? There's no separate part number for it on realoem, and my dealer couldn't find it as a separate part either.
Update: Found some good pictures here: https://www.ecstuning.com/b-genuine-bmw-parts/air-pump-suction-hose/11727838504/. They're making me think that's a yes.
ibrandt wroteI've got the same error code, 2739 - P2433, accompanied by 27C5 - P2430.
Is the mini-HFM just sold as an integral part of the suction hose? There's no separate part number for it on realoem, and my dealer couldn't find it as a separate part either.
Update: Found some good pictures here: https://www.ecstuning.com/b-genuine-bmw-parts/air-pump-suction-hose/11727838504/. They're making me think that's a yes.
nycplumber wroteIt did, and the sensor does come as a single part with the tubing.Did buying that part fix your issue? I have the same code 2433 along with 2430
Ximian wroteGot the suction hose with sensor and installed it. It was pretty easy.I got 2739 - P2433 and 27C5 - P2430 - any DIYs on how to replace the whole hose 11727838504? I'm assuming the plenum has to come off and it's accessible toward the back of the engine.
BPMSport
Ximian wroteI ordered a replacement secondary air pump (OE Pierburg) and while installing it, I noticed I didn't plug the connector into the sensor on the suction hose I replaced previously. It didn't throw a code immediately because it looks like after resetting these emissions codes, you need to drive 50-100 miles or so before the checks are triggered again.I cleared the codes after replacing the hose and sensor, but now the codes are back after a few days. What's the next step? Maybe replace the air pump?
Looking for any suggestions.
tinman831 wrotes85e90 wroteGood to know. The same convention is used in anatomy and physiology.Vehicle left and right is always viewed from the drivers perspective.
tinman831 wroteAnd airplanes.s85e90 wroteGood to know. The same convention is used in anatomy and physiology.Vehicle left and right is always viewed from the drivers perspective.
