I'm still on the OE pump in the TX/FL heat (over 185k miles).

Not only do I run it down til the light comes on, I continue to run until I see single digit "miles to empty", I've even had a few times where I traveled several miles with the "0" displayed.

I ALWAYS run Shell, Exxon or VP Racing fuel with 10ozs of Lucas Upper Cyl Lube added (ethanol sucks!!!).

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!