Probably would give a 5 rating but it turns out there are two disa units for the x5 e53 m54.
Disa valve o ring size.
Replacing the o ring is a fraction of that.
4 motorking d057rks 3 0l 01 06 bmw air intake flap adjuster unit disa valve repair kit and o ring.
To replace a disa valve first locate the valve in the engine.
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Ours are black with a clear coating the valve will be dirty.
Mine has a wider orange o ring.
It will look something like this.
In the old disa designs the ring came separately under part number 11617504543.
Find many great new used options and get the best deals for valve o ring for intake manifold for bmw disa e46 e60 e56 e83 w m54 m56 engines at the best online prices at ebay.
Clean it with a simple spray cleaner and rag.
View product 5 bmw 3 0l m54 disa valve repair upgrade kit for 3 0l engines only 2 2l 2 5l version is available as seperate kit.
Disa valve o ring size right i know there are plenty of forums but just hear me out i got a disa replacement however it didn t arrive without an o ring now i m desperately trying to find a suitable stand in as i have vacuum leaks and i m fairly sure that it s the valve.
View product 6 lostar intake manifold disa valve repair kit for bmw e39 e46 e83 325i 525i m54 2 2 2 5l.
O rings referenced as 136 137 138 139 should all work.
Disa o rings for 325 330 engines have the following dimensions.
It was a long research to find the correct o ring because there is no part number for this o ring for bmw s made after 2001.
Free in store or curbside pick up.
These sizes are 3 16 thick and range from 2 to 2 3 16 i d.
Remove the two 2 torx screws to pull out the disa valve unit.
The orange circle is the o ring that will be replaced.
Some manufactures have an o ring sizing chart.