Damn that is a wonderful idea for the NPT adapters fitting right in can't believe I never thought of doing this....
- This should be the 1st priority for anyone with the S63/N63 turbo engines if you plan on doing ANYTHING to your car -
I did this a while back and had a significant improvement in highway MPG ( 20+ MPG ) in my x5m, I made a thread but not many seemed to believe me
