In my endless efforts to try to cure my oil burning issues on my 06 M54, I'm thinking about doing a 2-phase piston soak. Now I know our engines are not completely horizontal but I could pour enouugh stuff in there just to cover the piston head.

I was thinking of soaking with ATF first for 24hrs the do a solvent-type soak with BG44k or Berrymans for another 24 hours. Let it drain then seafoam the top end and rinse with some HDEO 15w40 then drain and refill with fresh 5w-40.

Does any of this sounds like it would help anything other than satisfying my OCD mind? I've just read a few success stories on a few different forums. Most say the oil consumption issues are lessened greatly and are satisfied.

I current burn about 1qt ever 1500 miles.

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2006 X5 3.0L - Schwarz Black/Truffle Brown
Stock
But I keep it clean