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| 06-14-2026, 04:36 AM | #23 |
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Strictly BMW
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Drives: F10 550i | E82 135i 6MT
Join Date: Nov 2021
Location: Yokosuka, Japan
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So got the car back yesterday and went for a spirited ride today. Yeah, I like the D4.
From cold, it felt like the stock BMW fluid but after driving for a few mins, I could tell it was smoother. 2nd gear slots in better - so far so good. Will have to have a lot more miles and different weather to really tell but liking it so far. My old oil was in great condition and was only 2 years old. When I got it changed at BMW back then, I could tell no difference whatsoever after it was changed so maybe this thinner D4 formula helps get oil in the right places with the right friction.
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![]() 2013 F10 550i M-Sport | AC Schnitzer Springs | CMP Chassis Brace | PS4S 2011 E82 135i M-Sport | Evolution Racewerks CP | Stock | Stock | Stock |
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Appreciate
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