So I bought a 09 335i Xdrive coupe from a private seller on June 12th. Everything was beautiful on the car including the paint, engine, interior quality, etc. On the 14th the engine light came on and stated that the was an engine malfunction with low output (assuming it's the dreaded HPFP). I...

Please help... Apologies in advance for the length of this post. Having visited my local Indy three times over the last 8 months, and more recently the local main dealer, I am still no closer to solving an fundamental issue with my E92 2007 plate 325d M Sport Coupe (Auto), with both garages...

My trusty steed has just let me down after a playing up over the past couple of weeks! It started with an intermittant loss of power, which was corrected by stopping, switching the engine off, then restarting. It would then run normally for the rest of the journey. However, recently it started...