That is what was tried. The loud tick, that squeaks at times, was there and a BMW mechanic said they could take it all apart or the previous owner could try SeaFoam before the next oil change. It did not help and he did not want to do any more harm, so it sat.

And I only have a little more work to pull the covers anyway.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car