The cut off was like 2002. Wife and I both have 2001. Even with "safety device" there is a statute of limitations of sorts. The range was just a few years like 02-04 covered but pretty sure the bum lot of butt sensors went back to 2000 when wife's was made.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)