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PCV VALVE REPLACEMENT/throttle bottle clean on IS250

Guest bigbullhead

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Guest bigbullhead

Looking at items to service change and a lot of boys with BMW’s change the PCV Valve  on high mileage cars anyone done this? Also throttle body is another that may require a clean?

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Hi Mat. Yes there's a few videos on YouTube on how to change the PCV valve. Looks easy but you need a 19mm I think spanner with a 90 degree bend in it. I tried to do mine but the hose to it seemed stuck to it so I've left it for now. As for throttle body I totally recommend it and the MAF sensor too. I posted a thread on it so maybe look it up. 

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I changed mine last year.

Your safest bet is to get it from a dealer - the part number for mine was 12204-31040.

I imagine yours would use the same part number.

It was not expensive and you are assured that you are getting the correct part.


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My supplier called Gear Max in Glasgow. I'm not converse with delivery charges to Ireland or anywhere else for that matter but from Glasgow to Ireland I can't believe there are high postage charges. Mine cost under £15. 

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