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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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Old 01-05-2013, 09:31 AM
Dexter Dogg Dexter Dogg is offline
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Location: Northern VA
Join Date: Feb 2012
Posts: 8
Mein Auto: 335 Xi Coupe
BG vs MOC fluids.... thoughts?

I am about to have a coolant flush and power steering flush. Of the two dealers in my area, one dealership uses BG products and the other uses MOC products. The dealership that uses MOC products charges around $60 less for each service which leads me to believe MOC products are not that great?

Can anyone offer any advice (apart from doing it myself and not paying the dealership )
~ Dave

"Properly trained, a man can be dog's best friend." ~ Corey Ford

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Old 01-05-2013, 09:48 AM
ramblinman ramblinman is offline
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Location: Virginia
Join Date: Jun 2007
Posts: 315
Mein Auto: 2008 335
I wouldn't use either one. Coolant replacement should be with BMW coolant and distilled water. You shouldn't need a chemical flush. Power steering fluid is just ATF fluid. According to the Bentley manual it's CHF or ATF fluid for the PS. It's marked on the reservoir cap. Just have them flush with new fluid.

BG is just a money maker for dealers. I'm not familiar with MOC, but it seems to be the same kind of thing--a profit center for dealers. If it's not recommended by BMW, it's not necessary.
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