Thread: What did you do to / for your E53 today??
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Old 05-03-2026, 11:26 PM
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andrewwynn andrewwynn is offline
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The engine is designed to detect the knock from predestination, the result is usually less power.

With my m54 i lost enough mpg with 50/50 87/93 that it wasn't worth it. The one time i put in 87, (out of fuel due to a stuck fuel float), i forgot to tell the person bringing gas to bring premium, the engine misfired on the initial launch to freeway speed and i got to limp mode to gas station.


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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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