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[TobyB]

I've never seen the Febi- cast rockers in a BMW- assembled engine, either.

However, where this gets odd is that the Febi- cast rocker without
Febi's name on it (and usually a roundel...

[TobyB]

Your logic makes sense- every time you 'recharge' the booster, that valve's going to be
popping open and closed a lot. And probably a lot more abruptly.

For no good reason other than...

[TobyB]

plus, if the engine dies, you can jam it in 3rd, crank it, and use the starter to get you out of the intersection.

t
defeats the 'safety' switch on the more modern cars, too.

[TobyB]

I've just worked with M54s, so take this for what it's worth,

but if it was mine, I'd do the rod bearings and seals, and if
everything looked good when I was in there, I'd run it....

[TobyB]

A bad cam sensor will certainly cause drivability issues like you're having...

t...

[TobyB]

I too was thinking VSS- can you see live data in MS41?
That would be a quick way to check. I've had it get me in MS43...
and also with a -524 E30 dme.


that's grumping that...

[TobyB]

So it makes noise all the time? When loaded? In 5th as well?
(where there is no load on the countershaft)

The 'mainshaft' is usually considered to be the same as the output shaft,...

[TobyB]

bash bots, too, while we're at it...

t...