E46Fanatics - View Single Post - Changing diff fluid. Oem or not?
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Old 05-29-2012, 11:23 AM   #12
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Join Date: Jan 2011
Location: Portland Oregon
Posts: 478
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Go oem with fm booster. The fm booster reduces the creaking noises by sinking into the clutches, so it's worth the premium price. Anything else and you will get an annoying creaking noise while turning.
HPF Stage 2.5 BMW M3
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