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I started reading Beisan's how-to just to pass some time.
Here's a bit of trivia that I found interesting.
You need to fully retard both camshafts to get at the connections to the Vanos pistons. (We knew that).
I tried to turn my camshaft with the solenoid block removed, and even with the cap removed, and I couldn't budge it.
I wasn't willing to force the issue. I was afraid I'd bend the spindly connection between the spline and the piston.
Beisan says:
"If camshaft resistant to rotation rock camshaft back and forth to release seize."
That sounded vaguely familiar, so I checked the BMW TIS and it corresponds to:
"Alternately press toggle switch buttons 1 and 2 several times on special tool 12 6 050".
That step never made sense to me. Now it does.
So I guess I should have wiggled it more. I'll try that next time I'm in there.
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