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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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  #1  
Old 04-08-2014, 01:09 PM
lpcapital lpcapital is offline
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Mein Auto: Wasp & Duc
Seal on power steering cap

Just like EVERY fricken BMW I've owned over the past 10 years the seal on the power steering cap is seeping oil. Although the diagrams in RealOEM don't actually show an o-ring on the X5, some cross reference revealed that the cap uses the same 32-41-1-128-333 as all other cars.

Available on Amazon there's a Viton version of the o-rings (I bet you the OEMs are Buna, that's why it deteriorates): http://www.amazon.com/gp/product/B00...=5336612388-20

I thought I'd share...

I just bought a pack of 10 and I'll confirm the fitment once they come in... If they do I'll have 9 for sale for 1 dollar including S&H ))
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Last edited by lpcapital; 04-08-2014 at 01:34 PM.
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Old 04-08-2014, 07:21 PM
ninja_zx11 ninja_zx11 is offline
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Thanks for sharing lp!!!
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Old 05-19-2014, 03:57 PM
lpcapital lpcapital is offline
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Just wanted to let everyone know that the o-rings from Amazon work perfect on the X5.

The original o-ring from BMW is definitely not compatible with the power steering fluid: it has flattened and lost its elasticity.
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Old 05-19-2014, 05:29 PM
Thirdy Thirdy is offline
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I should have done that before on my e46 but I changed the whole power steering reservoir as part of 80k mile maintenance. And since the reservoir has a filter inside that can't be replaced. But as soon as I see oil seepage on the reservoir cap on both cars then I will definitely use that o-ring.
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Old 05-20-2014, 06:59 AM
Hd2000fxdl Hd2000fxdl is offline
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Quote:
Originally Posted by lpcapital View Post
Just like EVERY fricken BMW I've owned over the past 10 years the seal on the power steering cap is seeping oil. Although the diagrams in RealOEM don't actually show an o-ring on the X5, some cross reference revealed that the cap uses the same 32-41-1-128-333 as all other cars.

Available on Amazon there's a Viton version of the o-rings (I bet you the OEMs are Buna, that's why it deteriorates): http://www.amazon.com/gp/product/B00...=5336612388-20

I thought I'd share...

I just bought a pack of 10 and I'll confirm the fitment once they come in... If they do I'll have 9 for sale for 1 dollar including S&H ))
Nice, great info, here is a little trick I use as well, probably not applicable for this but in general. I use O-Rings a lot, more so on my bikes and all the compartment drain plugs use the same O-ring and I buy them by the 100 pack, problem with O-rings is over a long period of time, quicker in some storage conditions. I always keep them in a ziplock bag that has oil init, can use a jar as well, I will have good O-Rings my daughter can pass down to her kids..

Harry
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Old 07-11-2017, 02:51 PM
wacuna wacuna is offline
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Mein Auto: 2000 323i e46
Quote:
Originally Posted by lpcapital View Post
Just like EVERY fricken BMW I've owned over the past 10 years the seal on the power steering cap is seeping oil. Although the diagrams in RealOEM don't actually show an o-ring on the X5, some cross reference revealed that the cap uses the same 32-41-1-128-333 as all other cars.

Available on Amazon there's a Viton version of the o-rings (I bet you the OEMs are Buna, that's why it deteriorates): http://www.amazon.com/gp/product/B00...=5336612388-20

I thought I'd share...

I just bought a pack of 10 and I'll confirm the fitment once they come in... If they do I'll have 9 for sale for 1 dollar including S&H ))
I know this post is old, but do you still have O-rings available?
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  #7  
Old 07-11-2017, 03:57 PM
[email protected] haiao2000@yahoo is offline
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Mein Auto: X5, 3 series
I had P/S cap leakage issue in all 3 of my BMWs - E46, E93 and E70. First time that happened, I replaced the cap, but then I found a cheap generic solution. Permatex Super High Tack - Gasket Sealant from auto part store ($7). Apply some around the cap each time I remove the cap and it never leaks again. It is good for this type of application since I only need to open PS cap to check once/twice a year most. You can use this solution for many things, not just PS cap.


Wacuna, head to walmart or autozone and get Permatex and thanks me later.

Last edited by [email protected]; 07-11-2017 at 04:03 PM.
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  #8  
Old 07-12-2017, 10:32 AM
lpcapital lpcapital is offline
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I don't have anymore, but again that's the correct size and it continues to hold up well. No more leaks
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Old 07-16-2017, 01:26 PM
wacuna wacuna is offline
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http://www.ebay.com/itm/292181038332...84.m1555.l2649
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