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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum Best Gasoline to Avoid Carbon Buildup?
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      03-15-2014, 02:57 PM   #1
dbs600
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Best Gasoline to Avoid Carbon Buildup?

Additives aside, Top Tier Gasoline list aside, who makes the best gasoline to avoid carbon buildup?
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      03-15-2014, 03:05 PM   #2
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Quote:
Originally Posted by dbs600 View Post
Additives aside, Top Tier Gasoline list aside, who makes the best gasoline to avoid carbon buildup?
If you're thinking about carbon build up on the intake valves, there is nothing any fuel can do on a direct injection engine... No fuel ever get's close to the intake valves with DI.
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      03-15-2014, 03:11 PM   #3
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Originally Posted by Boss330 View Post
If you're thinking about carbon build up on the intake valves, there is nothing any fuel can do on a direct injection engine... No fuel ever get's close to the intake valves with DI.
Yes, that's my train of thought.

So how do we prevent the issue?

What an awful situation...
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      03-15-2014, 05:22 PM   #4
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Originally Posted by Tuesday
Methanol.
Or, ethanol. Perhaps, one or two shots whenever you become concerned about carbon buildup in ye olde bimmer.

That should do it.
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