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      05-04-2017, 10:01 AM   #36
Maxalama
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Drives: 2013 BMW X1 (E84)
Join Date: Feb 2017
Location: Ottawa, Canada

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Quote:
Originally Posted by Red Bread View Post
Yeah, I just used the difference in 89 and 91/93 octane, since 87 will almost certainly ding performance and mileage more than the potential savings.

...SeaFoam into the intake or physical cleaning is the only option.
Did anybody spray SeaFoam into the intake ? I plan to do that but I do not know where exactly to spray it. Thank you.
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