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Beastmar Beastmar is offline
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Join Date: Apr 2018
Car: 2007 335i
Default Replacing N63 motor. Have a few questions. - 07-01-2019, 09:49 AM

Long story short, I was denied an engine replacement from BMW NA because my car has a Dinan tune.

So I am looking to replace my motor. I have some questions.

Is the 550xi motor the same as my 550i? I've heard that I would just need to replace the oil pan and that is the only difference.

What is the different between N63B44B and N63B44A?

I want to gather as much information as possible before purchasing the motor. Any advice/help is appreciated.

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