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#41
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#42
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DavidClass, do you have any issues with cold start that Omerta mentions?
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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M. Last edited by X5only; 07-06-2015 at 02:24 PM. |
#43
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There are accounts where people skip putting in additives which are currently working and the smoking reoccurs. Then when the additive is put back in, it doesn't work because the seals don't swell back up. You may run the engine forever using the additives and never have a problem. If so, that's great! But it's not really fixing the root issue of failing seals. Only replacing the seals fixes the issue. BTW, here's a good discussion of the Lucas Oil Stabilizer. Basically, quality oils have additives in them to reduce wear on your engine. Lucas Oil Stabilizer doesn't have any additives so you're basically diluting your quality oil with that product. Lucas Oil Stabilizer? | OTC and Third Party Oil Additives | Bob Is The Oil Guy
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2006 X5 4.4i Sport package, summer package, cold weather package, DSP + Nav Bought 2/14 with 73k miles |
#44
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'05 E53 X5 4.4i, '97 E39 528, '07 E92 335i, '16 F86 X6M. |
#45
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The shop which did my repair told me that other than the stinkiness of the smoke and oil consumption, there's not much harm to the failing valve stem seals. They haven't seen any issues with things like the emissions systems as a result of the smoking.
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2006 X5 4.4i Sport package, summer package, cold weather package, DSP + Nav Bought 2/14 with 73k miles |
#46
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I can't debate anyone on this thread because I don't know what it does or how it does it. its magic maybe. I know what it did for me. I've driven it pretty hard for 30,000 miles in two years, including pulling a 3000 pound popup camper 4000 miles out of a 5000 road trip. Jack rabbit starts and nose standing stops are the norm for this X5.
I'm not encouraging anyone to do this. My car was not driveable because of the embarrassment of the smoke screen that any batmobile would be proud of. I fixed it with 24 dollars worth of Lucas. (From Walmart)
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David Imola Red 2006 4.8is |
#47
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It would cause the same problems with a lower viscosity oil minus the foaming (air entrainment). Since the smoking is when the oil is hot, you would likely need to up the oil to a 10W50 or so to compare... but that effects your VANOS, cam followers, chain tensioners, and all hydraulically operated parts as well. Not an acute problem, so you won't likely see a smoking gun for a while. |
#48
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I went back and read some of that thread from the Lucas link above. Pretty funny stuff. I'd wager that none of them that hate it, ever had or saw a Lucas oil caused engine failure. I read lots of opinions against oil additives and several that are for it, The ones for it, at least had supporting personal use of the products. I didn't read one post that said " I used it and blew up my BMW engine".
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David Imola Red 2006 4.8is |
#49
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I run 20w50 in mine (hot climate here) and still have the smoking. Oil consumption is definitely way down to maybe a quart every 5000 miles as yours is but the smoking persists.
![]() David, I don't think it's an issue so much with the product as I don't think Lucas would risk the liability involved if it were indeed a danger to engines. What I think it is more an issue of for people are that it isn't actually fixing the problem but "band-aiding" it. It's a purist train of thought for sure (and one I am guilty of depending on topic) and is probably why you are seeing some resistance... Bottom line if it works for you... awesome. Replacing valve stem seals is a helluva lot of work and I might try the Lucas additive as well if it holds no danger to other systems. I always equate stop leak products with coolant stop leak products where you end up with chunks of silica type material all over the place.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles) 2006 X5 4.8is Build 11/05 Maintenance/Build Log Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles) 2010 X5 35d Build 02/10 Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles) |
#50
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Excellent. let us know which way you go
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David Imola Red 2006 4.8is |
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