Just to clear up about the faulty pipe, my bmw dealer has said "The vehicle firstly received a replacement oil pressure switch, then on the following visit receiving an oxygen monitoring sensor. The vehicle now requires a replacement exhaust back pressure sensor and pipe.
Naturally this means that none of the above components are in relation to the EGR cooler recall, subsequently meaning that these components also would not be covered under the 15 year EGR cooler warranty."
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