N62 Valve Stems Seals - What was your cost

[A B Able Truck]

The new tool from AGA is now available:

New N62 valve stem seal tool by AGA - Bimmerfest - BMW Forums

[pezho405]

Hi,

The AGA valve stem seal replacement tool is finally available! Here are the video links for the Valve Stem Seal Replacement Tool. This first video is a quick demo with basic information about the tool and the second video is the complete instructions.

Demo:


Complete Instructions:

The price of the complete kit is $759.00 + shipping.

Please let me know if you would like to move forward with the order. The parts will be ready to ship tomorrow!

Thank you!

All German Auto
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[Doru]

My tool kit is on it's way. I think I will change the cooling pipe as well, because during these cold days, I started to loose coolant in the expansion tank as well. No drips, no tell-tale signs, white residues, anything at all, but just loss of coolant in the expansion tank. Did some research and it seems these are the first signs the sealing O-ring on the OEM cooling pipe is giving it's ghost......
So I guess I have a big project on my hands this coming spring/summer.

[A B Able Truck]

I think the new style valve stem seal - updated version not allowing the oil to pool inside the seal should make a big difference. After thinking about AGAs description of the improvements, it makes perfect sense on why the old seal style allowed so much oil consumption. The top of the valve guide was constantly submerged in a puddle of oil. The new style has removed that cavity, so even as the new seal wears, the oil will naturally want to expel to the outside of the seal. So the moral of this story is, be sure when you replace your seals you have purchased the new style (red in color).

[Doru]

Originally Posted by A B Able Truck

I think the new style valve stem seal - updated version not allowing the oil to pool inside the seal should make a big difference. After thinking about AGAs description of the improvements, it makes perfect sense on why the old seal style allowed so much oil consumption. The top of the valve guide was constantly submerged in a puddle of oil. The new style has removed that cavity, so even as the new seal wears, the oil will naturally want to expel to the outside of the seal. So the moral of this story is, be sure when you replace your seals you have purchased the new style (red in color).

Martin pointed out to use the new style valve guides (red). I'm not sure if you can even buy the old style anymore (which I wouldn't do). Which would mean BMW acknowledged the issue, but choose NOT to address the situation free of charge for the poor design...same as that bloody cooling pipe......

[bcredliner]

Watched the demo and DIY video. Great tool! I certainly would purchase one if/when I need to do the job.

[Doru]

Originally Posted by bcredliner

Watched the demo and DIY video. Great tool! I certainly would purchase one if/when I need to do the job.

you don't need it for yours. If you buy an X5 with the N62, you might need it.

[A B Able Truck]

Originally Posted by Doru

you don't need it for yours. If you buy an X5 with the N62, you might need it.

Isn't the 4.6 the older N62 with less horse power?????

I've seen the old style valve stem seals (at least pictured) for sale on the internet - the new & old style have the same part number - this is just a word of warning - if purchasing valve stem seals from a source other then the dealer, beware that you are not purchasing someones old stock.

[J.Belknap]

Originally Posted by A B Able Truck

Isn't the 4.6 the older N62 with less horse power?????

M62.

[A B Able Truck]

Originally Posted by J.Belknap

M62.

That's right - The N62 is 4.4 (325 hp) and the N62TU is 4.8 (360 hp)