I did a search here, but unable to find a good answer. It appears as if I will have to machine my crankshaft to the next level - mechanic says .010". I'll get new bearings also I assume.
Just curious, do you all normally keep using the original oil weight from when the car is new, or do you go to a heavier weight or something like synthetic with higher miles?
I have a 1987 non-turbo 740 GLE with the B230F engine and 196,000 miles.
FYI: this site is amazing:
FWIW, when I rebuilt the engine in my 244 Turbo, I stuck with 10W-30 (except 5W-30 in the mild winter), and change the filter and oil very frequently.
Frequent oil changes is the best bang for your buck.
Can anyone vouch for Auto-Rx? This was recommended by an oil "expert" to clean a dirty engine.
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