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Liqui-Moly "Motor Oil Saver" for valve stem seals #4410998
05/21/17 11:47 PM
05/21/17 11:47 PM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
So, no surprise, my N62/TU engine in my X5 is finally showing signs of worn out valve guides and valve stem seals, as is common with pretty much every N62 I've seen with 90k+ miles. After a few minutes of idling I will get a little blue-ish-white smoke after giving it some gas. Anyone hear try Liqui-Moly Motor Oil Saver? I've heard it's about the best seal conditioner additive out there. I've heard of people fixing the smoking issue with a seal conditioner additive after a couple months of use. It says it's good for 5 qts, however I have a 9qt sump. Should I use two bottles?


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Liqui-Moly "Motor Oil Saver" for valve stem seals #4411003
05/21/17 11:54 PM
05/21/17 11:54 PM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
dup

Last edited by wwillson; 05/22/17 09:21 AM.
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411008
05/22/17 12:20 AM
05/22/17 12:20 AM
Joined: Oct 2015
Posts: 2,659
Balearic Islands , Spain
FordCapriDriver Online content
FordCapriDriver  Online Content
Joined: Oct 2015
Posts: 2,659
Balearic Islands , Spain
The only proper fix for old valve stem seals that don' seal properly is new valve stem seals.


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: FordCapriDriver] #4411014
05/22/17 12:32 AM
05/22/17 12:32 AM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
Originally Posted By: FordCapriDriver
The only proper fix for old valve stem seals that don' seal properly is new valve stem seals.


Not helpful.


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411022
05/22/17 01:05 AM
05/22/17 01:05 AM
Joined: Oct 2008
Posts: 4,100
Kuwait
Falcon_LS Online content
Falcon_LS  Online Content
Joined: Oct 2008
Posts: 4,100
Kuwait
A search will yield a number of successful results with Motor Oil Saver. It contains esters, which work pretty well. One can is sufficient for 5L of motor oil, so you will need two cans for your application. Give it about 800 km/500 mi to work. Bear in mind, however, it depends entirely on the seal material.


99 Explorer: H17W02/GC 0W40
00 Pajero: XG9688/MC 15W40
01 Grand Marquis: XG2/XCess 5W40
03 Expedition SSV: XG2/XCess 5W40
05 Envoy: XG9837/5W30 ESP
06 XJ8L: C2C41611/5W30 ESP
07 SRX: XG8765/5W30 ESP
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411028
05/22/17 01:59 AM
05/22/17 01:59 AM
Joined: Aug 2014
Posts: 1,453
Gulf Coast, MS
3800Series Offline
3800Series  Offline
Joined: Aug 2014
Posts: 1,453
Gulf Coast, MS
I've heard of it but never used it. The most popular additive around here in regards to helping with leaks would probably be ATP-205. I've used this one myself but wasn't much luck in my case.

Most people would recommend a high mileage oil as they do help a good bit with leaks but I don't know how well it would work with valve stem seals.

I would agree with the poster above and suggest just fixing it but that's not always economical or practical in some situations trust me we have all been there before.

Liqui-Moly products do tend to have a decent amount of usage around here tho so I'm sure there is more then a few people who would vouch for it but that's just my $0.02

Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411085
05/22/17 06:16 AM
05/22/17 06:16 AM
Joined: Oct 2007
Posts: 935
South East Asia
kr_bitog Offline
kr_bitog  Offline
Joined: Oct 2007
Posts: 935
South East Asia
Originally Posted By: 1JZ_E46
Originally Posted By: FordCapriDriver
The only proper fix for old valve stem seals that don' seal properly is new valve stem seals.


Not helpful.

Unfortunately FordCapriDriver is right, I had been on the same route, and only top overhaul to replace the seal works. I believe those Motor Oil Saver is good for worn rings, so the additive will create bigger pillow layer to slow down oil consumption. However mostly it is not effective on the valve seal. It may stop leak on the pressed gasket though.

Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411099
05/22/17 07:00 AM
05/22/17 07:00 AM
Joined: Dec 2011
Posts: 4,744
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,744
North Carolina
What you want to do is add one bottle to each 5 quart jug so you maintain the proper mix ratio. Then your top off oil has it too.

I have had success using it in your engine on more than one occasion, as long as it is used at the first signs of smoke and not when they make 007 screens.


"Zed's dead baby, Zed's dead."
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411134
05/22/17 07:59 AM
05/22/17 07:59 AM
Joined: Oct 2010
Posts: 1,781
.
Danh Offline
Danh  Offline
Joined: Oct 2010
Posts: 1,781
.
Dunno about valve stem seals, but sure worked on the front cover seal of my Duratec 3.0. After first using the suggested dosage, I found I could halve the amount in subsequent OCIs with the same effect.

Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411148
05/22/17 08:18 AM
05/22/17 08:18 AM
Joined: Oct 2008
Posts: 4,100
Kuwait
Falcon_LS Online content
Falcon_LS  Online Content
Joined: Oct 2008
Posts: 4,100
Kuwait
Forgot to mention, you will need to add two cans at every oil change if you want to keep the seals pliable.


99 Explorer: H17W02/GC 0W40
00 Pajero: XG9688/MC 15W40
01 Grand Marquis: XG2/XCess 5W40
03 Expedition SSV: XG2/XCess 5W40
05 Envoy: XG9837/5W30 ESP
06 XJ8L: C2C41611/5W30 ESP
07 SRX: XG8765/5W30 ESP
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: rooflessVW] #4411180
05/22/17 09:12 AM
05/22/17 09:12 AM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
Originally Posted By: rooflessVW
What you want to do is add one bottle to each 5 quart jug so you maintain the proper mix ratio. Then your top off oil has it too.

I have had success using it in your engine on more than one occasion, as long as it is used at the first signs of smoke and not when they make 007 screens.


Thanks Roofless. Which BMW did you have with the N62? I'm going to give the LM a shot. Now should be a good time since it seems to have just begun, ever so slightly.


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411195
05/22/17 09:37 AM
05/22/17 09:37 AM
Joined: Dec 2011
Posts: 4,744
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,744
North Carolina
I farm a lot of side work from local clubs and fb groups. When you start talking valve stems seals people understandably want to delay the inevitable or just slow the smoke. Two X5s such as yours and a few 545i have benefitted from LM motor oil saver, and it worked on my 735i when I didn't feel like doing valve stems seals ASAP.


"Zed's dead baby, Zed's dead."
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411197
05/22/17 09:38 AM
05/22/17 09:38 AM
Joined: Dec 2016
Posts: 6,239
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,239
Waco, TX
Give it a try and report back.

I'm curious if it works..... though very doubtful.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: Linctex] #4411250
05/22/17 10:35 AM
05/22/17 10:35 AM
Joined: Apr 2016
Posts: 1,537
Oregon
1JZ_E46 Offline OP
1JZ_E46  Offline OP
Joined: Apr 2016
Posts: 1,537
Oregon
Originally Posted By: rooflessVW
I farm a lot of side work from local clubs and fb groups. When you start talking valve stems seals people understandably want to delay the inevitable or just slow the smoke. Two X5s such as yours and a few 545i have benefitted from LM motor oil saver, and it worked on my 735i when I didn't feel like doing valve stems seals ASAP.


Good to hear. I love this car, but it's a maintenance nightmare. I wouldn't have it if I couldn't do all the work myself. Parts for older BMWs aren't bad cost-wise.

Originally Posted By: Linctex
Give it a try and report back.

I'm curious if it works..... though very doubtful.


Will do. Should take me about a month or so to go 1k miles.


2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Re: Liqui-Moly "Motor Oil Saver" for valve stem seals [Re: 1JZ_E46] #4411291
05/22/17 11:30 AM
05/22/17 11:30 AM
Joined: Oct 2006
Posts: 429
Florida, USA
vintageant Offline
vintageant  Offline
Joined: Oct 2006
Posts: 429
Florida, USA
"The only proper fix for old valve stem seals that don't seal properly is new valve stem seals."

What about older engines, such as mine, that never had valve stem seals?


1925 Alvis HDEO 15W40
1937 Alvis Speed 25 20W50 w LM MoS2 & LM MOS
1970 VW Peking - Paris Rally Beetle HDEO 15W40 w LM MoS2
1987 Porsche 924S HDEO 15W40
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