This auxiliary pump is the one issue I've had with our 09 MCS, I'm wondering if the replacement part had the "fix" in it? Note this effects the S & JCW turbo MINIs only. This should liven things up at the MNS and MoT dealer service area for awhile if they send out all these letters at once.
http://www.motoringfile.com/2012/01/15/ ... ing-79000/