Quote:
Originally Posted by crystalworks
I wonder if the E53 has a clutch delay valve like the E39 manuals did?
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Yep, E53 does come with CDV. It was terrible when mine was due for maintenance. Cam, knock, MAF, DISA, coils, vacuum leaks, etc. combined with the CDV was a pretty lack luster experience, especially with only 230 hp. When looking at the live data while operating, nothing shows when the hesitation or dead spot as I like to call it takes place.
The fashion in which my E53 sits currently, the dead spot is nonexistent. I’d have to go hunting for it to find it. It requires letting the clutch out at maybe those most 1100 rpm, having drop down to say 950 rpm, and then once the clutch grabs fully, lay into the pedal a bit, and usually it will hiccup. LoL..
Before the massive tune up though, it would hiccup letting the clutch go at 1300-1500 rpm. I had to learn how to get into the throttle in a manner that wouldn’t cause the hesitation.
Word of advice to at least M54 owners, stay on the maintenance, and the hesitation should cease.