10-20-2021, 12:52 PM
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Member
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Join Date: Jun 2014
Location: SA, TX
Posts: 6,479
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Quote:
Originally Posted by andrewwynn
I don't believe for a minute the n52 won't best the n63 in mpg because my m54 from 2001 does about exactly the same as wife's.
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 Can only report what I've observed.
He's working with the 6spd auto vs. the 8spd. and is rated 15/21mpg. Likely rated with the base skinny wheels/tires as well rather than the 20's. The 50i is rated 14/20mpg. Easy to see how driving style and wheels/tires could make up that small difference. N52 sucks for gas mileage.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)
2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)
2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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