Buttons wearing off and general wear on the key is a problem (most M Coupes come with the 3-button key and fob combined as pictured). A replacement key from BMW is around £100. The blade (or key part) can't be removed or changed so you couldn't find a good condition fob and change the blade.
I found a seller on ebay selling complete replacement (empty) keyfobs with uncut blades: http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=220348796436. You simply swap over the innerds of your old key and get the blade cut at a key cutters. They're obviously not genuine but they do look good. Total cost was £19.50 (£5 for key cutting) for an effectively brand new looking key.
I found a seller on ebay selling complete replacement (empty) keyfobs with uncut blades: http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=220348796436. You simply swap over the innerds of your old key and get the blade cut at a key cutters. They're obviously not genuine but they do look good. Total cost was £19.50 (£5 for key cutting) for an effectively brand new looking key.
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