Quote:
Originally Posted by JoeyBimX5din
I am at 105k, and it burns oil like its $3 a quart. Knock on wood other then that nothing too hateful. I have done a rear o2 sensor, and I currently have one bad coil pack.
I am doing 10k oil changes because I am doing a quart of oil every 500-1000 miles. If I the low end of that is because one time I was using Castrol 5w-20 when I saw the 500 mile oil usage. I have transitioned to 15w-50 Mobile 1. It is cheaper when I can buy the 5 gallon jugs for $26, vs the $10 per quart on the Castrol synthetic oil. It has also held in the motor a little better, so the oil usage may be a combination of PCV usage, and valve seal usage.
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Do not use 15w50. Use only 0w40. 5w30 or 5w40. 15w40 is not approved for bmws.