My car has an earlier ABS system, but have replaced both front wheel speed sensors, one reluctor ring and the G-sensor. Hilariously, I am now getting the intermittent two-amigos, which likely means I have a fault on the brake switch...
All this stuff is relatively easy - so long as you have the right kind of diagnostic kit. I am using a pscan.eu (I have other MG Rovers of the same age, so it is absolutely perfect). It has the same functionality as Testbook - the OEM fault code reader - but there are other units available. Not sure what the other guys here prefer?