There has been some discussion about LT3 versus LT5. LT5 is recommended for both the P car PDK and the BMW DCT, both of which are manuals at the core. You can get LT5 Pentosin on Amazon pretty cheap. It holds 1.4L per the TIS. This is the route I'm going to go very soon. I'm also sending a sample in with my engine oil into Blackstone as well.
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