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      09-26-2016, 09:34 AM   #26
0w40X1
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Drives: 2014 BMW X1 s28i M Sport
Join Date: Sep 2013
Location: West Texas

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Quote:
Originally Posted by nrajput View Post
Ah I see, so do you find that there is a difference in how the car drives on a 0w- vs a 5w-?
No. I even have a scanguage that monitors hp, boost, mpg, coolant temp, etc.

I drained my X1 s28i at 5k miles to get an oil sample, so it ran on 0w40 for 5k more miles until BMW dealer wanted to give it an oil change.

I sent off sample to Blackstone Labs, and the report showed the factory fill to be very good oil with almost no wear in metals.

Factory fill 5w30 was about 10 cst @100 deg C while 0w40 runs about 12 cst, and 5w40's like T6 are about 14 cst @100 deg C thick.

I can't see any trouble with any of these weights, but I continually see best reports on Mobil 1 0w40 on various cars
at BITOG.com
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