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Old 05-23-2012, 07:04 PM   #3
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Join Date: Mar 2006
Location: Southern California
Posts: 23,847
My Ride: M54B30
Originally Posted by dmax View Post

I've got to register a complaint with your comment "it's fine to put in 8 qts."

I've always said here, based on what I've read (a lot) that it's better to be a quart low than over a 1/4 quart high...which is the top of the top notch.

The capacity is 6.9 quarts, so 7 is fine. 7.9 is capacity for an Xi I believe, so 8 qts. is fine there.

But 6.9 qts. or 6.5 L is capacity for most e46s and I think if you're going to recommend a proper amount, you should just do so. Don't make someone reading think the capacities are just suggestions.

If you edit, let me know and I'll turn this post into a glowing review!
DMAX, it's been common practice for at least a decade for track guys to overfill by one quart on M5X and S5x engines to alleviate lifter tick during extended high-rpm operation. It's not instruction to overfill by one quart but is just an OK especially should someone decide to track their car. I overfill by a quart all the time. I know of no ill effects this has. I would get lifter tick during some extended spirited driving.
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Last edited by Mango; 05-23-2012 at 07:05 PM.
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