I just glued them with jbweld.

As for length of use the oldest of these regulators I have was bought 4 years ago.

The newest was bought this past march.

None have completely failed just the plastic clip that holds the cable to the regulator which I have been jbwelding as they fail.

__________________
Just BMW's - All cars and trucks was two pages long
1994 318is
1997 528i
2000 323i
2001 X5 3.0 auto
2005 X5 3.0 auto
2011 535xi auto
2013 X5 xdrive35 Turbo
More are at my website

Aftermarket E53 Radio Install