tpms

hi, my current wheels/tires don't have TPMS and i wish they did, i did a quick google and found these for my W213, edit: my car is TPMS ready and I have TPMS sensors on my Winter wheels, my summer wheels do not have the sensors yet but i want to add them. I found this...

Has anybody on here bought a set of sensors for a C Class 205? If so, any recommendations as prices per set vary from £90 on Ebay, upwards to £400 if you go to NTS. Just fitted winter wheels from previous car, but no TPMS on these, so want to get rid of warning lights! All advice welcome...

So ladies and gents, at 8090 miles I have a TPMS fault. My trusty i980 tells me "faulty connection to sensor #3". Question, is this an expensive fix, and is it covered under warranty? Car was delivered in late February.

My SL500 is currently fitted with the standard 17" alloy wheels. The car has TPMS fitted from new (from 2003). The TPMS appears to be operating as it should on all wheels. It's showing 2.1 bar at each wheel and there is no warning message. However my local CostCo have checked them over using a...