Re: 535i Hesitation yet again.. Advice

[Michael <mike5635@xxxxxxxxx>]

I'll related what recently happened to me (1990 535i).
 My engine, after warming up, suddenly started missing
badly, VERY rough, almost stalled several times, and
eventually the check engine light came on.

I took it to my local fantastic service place (looks
like something out of "American Graffiti") that is
capable, honest, and relatively inexpensive.  Turns
out my mass air sensor was filthy dirty... they
cleaned it, and the car runs great again!  Cost me
about $25.  

Interesting, the owner said that, with that K&N
filter, you get better airflow, but the downside is
more dirt gets through, and he's seen lots of this
situation.  He said to be aware of the symptoms,
because the recently cleaned mass air sensor could be
good for a long time, or the symptoms could repeat
shortly, and if they did, we'll just replace the unit.

YMMV!

Michael in Gurnee, IL
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