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  #11  
Old 01-28-2020, 11:33 AM
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Quote:
Originally Posted by StephenVA View Post
Trailer towing? Cheapest Cal gas one can find?
I don't tow a trailer and I get my gas from Costco which is Top Tier gas. I always run premium.
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  #12  
Old 01-28-2020, 12:17 PM
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Could be driving habit like all city driving not enough time to get things warm. Could be wear not movement (open up) more like consumed like arc lamps from the electrons actually burning away the metal.
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  #13  
Old 01-28-2020, 02:09 PM
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Originally Posted by andrewwynn View Post
Could be driving habit like all city driving not enough time to get things warm. Could be wear not movement (open up) more like consumed like arc lamps from the electrons actually burning away the metal.
I've never seen plugs consumed that quickly or that badly. Obviously, because the spark is an arc it will gradually eat away at the electrode and anode, but this just seems extreme.
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  #14  
Old 01-28-2020, 02:31 PM
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OP, where did you buy these plugs? There are lots of fake stuffs floating out there, so it's a possibility if you didn't buy them from a reputable source.
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  #15  
Old 01-28-2020, 02:42 PM
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OP, where did you buy these plugs? There are lots of fake stuffs floating out there, so it's a possibility if you didn't buy them from a reputable source.
Purchased them on Amazon.
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  #16  
Old 01-28-2020, 02:46 PM
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Originally Posted by Fifty150hs View Post
Purchased them on Amazon.

Then it's >90% chance of it being fake...see this => https://www.youtube.com/watch?v=Lr9J3eQk-kE


I got a set of Laser Platinum plugs from Amazon for my M Coupe and they look like crap after pulling them off with less than 20k miles! Never again would I buy anything off of Amazon if it's mission critical!
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  #17  
Old 01-28-2020, 03:15 PM
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Quote:
Originally Posted by Fifty150hs View Post
Costco which is Top Tier gas. I always run premium.
Costco has had gas quality issues here. We had a string of customers come into our shop with failed fuel pumps. Some of them customers on their 2nd or 3rd pump. Finally polled them all to figure out what was going on, Costco was the common denominator. I don't remember the specifics... but a sample was sent out and the gas was found to have some flaw that gummed up or burnt out the pumps.

To their credit, Costco paid for all the repairs after all was said and done. And after that incident over a few months we didn't see a customer return. Whether that was because they stopped using Costco gas (shop owner strongly advised against anything but Shell) or Costco fixed the issue is beyond my knowledge.

But I don't think gas is the issue, I'm more inclined to lean towards Amazon plugs being less than 100% quality as suggested above.
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  #18  
Old 01-28-2020, 03:38 PM
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Thanks for the info about Costco gas as I have been running it for the last couple of years on the X. Mostly trouble free until a few months ago with my sending unit, that was ultimately cured with a couple of fill ups and fuel cleaners from Chevron => https://xoutpost.com/bmw-sav-forums/...ng-unit-s.html

I guessed the "safe" things to do going forward is to do a Shell/Chevron fill up every 5 or so Costco tanks? Being a cheap a$$ that I am, I would still like to use Costco gas for X since it's so thirsty


Quote:
Originally Posted by crystalworks View Post
Costco has had gas quality issues here. We had a string of customers come into our shop with failed fuel pumps. Some of them customers on their 2nd or 3rd pump. Finally polled them all to figure out what was going on, Costco was the common denominator. I don't remember the specifics... but a sample was sent out and the gas was found to have some flaw that gummed up or burnt out the pumps.

To their credit, Costco paid for all the repairs after all was said and done. And after that incident over a few months we didn't see a customer return. Whether that was because they stopped using Costco gas (shop owner strongly advised against anything but Shell) or Costco fixed the issue is beyond my knowledge.

But I don't think gas is the issue, I'm more inclined to lean towards Amazon plugs being less than 100% quality as suggested above.
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  #19  
Old 01-28-2020, 07:10 PM
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Originally Posted by dkl View Post
Then it's >90% chance of it being fake...see this => https://www.youtube.com/watch?v=Lr9J3eQk-kE


I got a set of Laser Platinum plugs from Amazon for my M Coupe and they look like crap after pulling them off with less than 20k miles! Never again would I buy anything off of Amazon if it's mission critical!
Is there a good place on line to buy them or should I get them from my local auto parts store?
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  #20  
Old 01-28-2020, 07:17 PM
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