I had an airbag warning light for an airbag fault, main dealer in Norwich had it in 4 times: continually resetting the thing, then claiming it was the seat loom, then had it all day to tell me it was the sensor (which they told me the previous time) and accidentally forgot to replace it which was why it was in there, the finally when I had it in for mot (and they were going to replace passenger seat loom on same day) they phoned me to tell me it had failed the mot because the airbag had failed in the door and was going to be £850+ to replace it!
We had a long drawn out discussion (I was VERY assertive at this point) and eventually I got it done inc. the mot for a bit under £300 - I will NEVER deal with them again. They refused to let me take the old airbag for forensic testing (I have a mate who does forensic testing for motor vehicle claims).
Make sure you know exactly what you're getting into.
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