Thread: Which manual trans fluid and open diff fluid for M240i?
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      11-26-2018, 09:29 PM   #4
MarcoZandrini
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Drives: 2018 M240i
Join Date: Jun 2017
Location: Virginia

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Your best bet is to buy the factory Gear Lube 4 for the ZF transmission. The differential uses a fully synthetic Gear Lube 5 like Redline 75W90. The differential is not an LSD.
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