Worked like a treat. Now one click unlocks all doors!

Thanks Overboost!

By the way, is there a similar coding for removing the annoying chime when your driver door's open and the key is in ignition?

A lot of times we need ignition power while working on the car. It's such a hassle to have to endure that noise all day long!

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2003 X5 4.6is Estoril Blue, acquired March 2018
2013 128i M Sport 6 MT Space Grey daily driver
2010 535xi 6 MT Barbera Red