BMW 540i 740i 840i Mass Air Flow Sensor with Housing - 1AEAF00023

This mass air flow meter sensor is just what you need to get your BMW in good working order again!


  • Brand new
  • Fits in between air cleaner and air intake hose
  • 100% computer tested prior to leaving manufacturer
  • No core charge

Installation Notes:

1. Make sure the air filter is in good condition and replace if necessary.
2. Clean out and inspect the intake hose when replacing this part. Moving the intake hose during replacement can loosen dirt which can then damage the new sensor.


This item is an electrical part. These units are tested prior to shipment.

Our electrical and electronic parts are subject to strict quality control testing .  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

5.0 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Just what I needed
Perfect fit, plugged right in with no problem, will get all my parts from here.
February 16, 2017
1 year ago
Car still running sputter or anything..feels to be a bit more powerful than it was before
July 10, 2017
7 months ago
It fits perfectly and it came in the mail quickly. Great discount
March 18, 2017
11 months ago
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Vehicle Fit

  • 1994-1998 BMW 540i Mass Air Flow Sensor with Housing
  • 1993-1998 BMW 740i Mass Air Flow Sensor with Housing
  • 1994-1995 BMW 840i Mass Air Flow Sensor with Housing
Part #: 1AEAF00023

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