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Old 11-14-2012, 09:58 AM
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DSXMachina DSXMachina is offline
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Location: New Hampshire
Join Date: Dec 2007
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Mein Auto: 335i E92 TiAg 6MT ED
Originally Posted by ctuna View Post

There are a lot of procedures in the above links.

The MAF Sensor is easy but very fragile.
The other sensors (If it ain't broke don't fix it.)
If you read the Mike Miller schedule he doesn't really say much about cleaning sensors.
And he is the maintenance authority.
The Vanos solenoids are sometimes cleaned to clear up vanos problems.

google Mike Miller BMW
Originally Posted by T.O.335 View Post
From what I have read the n54 engine doesnt have an MAF. I am getting rough cold starts, and would like to clean all my sensors to see if it helps. I have not found any DIY guide on cleaning intake sensors for the n54. Can anyone point me in the right direction?
Never clean a MAP sensor. Avoid cleaning any other sensor, including your MAF sensor, unless there is an articulable reason for doing so.
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