If your car is suffering from rough idle on start up, check your air intake pipe

G

GOM

Member
Not sure if this has been posted before, however wanted to share my experience.

Bought the car and for a while was running well, would idle constantly on start up and no error code. However after a while I noticed the idle going up and down and started to get error codes that cylinders were misfiring. I knew the air intake pipe section needed replaced as a previous owner had bodged a repair, so approx £29, said item was bought from my local BMW dealer and I fitted it yesterday.

What a difference it has made, rough idle gone, error codes cleared and no EML on. It is dead easy to do, although a bit fiddly to get the clams off, (especially in this heat :P )

Picture showing old and new :o

ATTACH]
 
consistently a failure point for most cars of this age now-

but look at the state of that!!!

Good job!
 
I know, it is a shocker! Think I am now going to go through it and check for ther perishable items that need attention. :)
 
I just ordered one as I have the classic annoying whistle and it is looking a little tired. Will update when I fit it.
 
For anyone without a sound generator, I have a perfect condition example of the simpler version of this hose. Removed when I fitted the sound generator on our 2.5i.
If anyway needs one, it's available for the postage cost.
 
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