M47 reliability. What Are The Common BMW M47 Engine Problems? Common problems with this engine include vacuum leaks, failed injectors, failed turbocharger, problems with the VP44 fuel pump on the older non-common rail model, EGR failures, and crank pulley failures. I owned one of these. All the 5 series 320D suffer from timing chain issues, as they never had N47C. __________________. I've been told by a BMW dealership it has the M47 engine which pleased me as I was keen to avoid the N47. So if you wish to go for 320D, then make sure it has N47C. Inlet swirl flaps can be an issue so check they've been removed and go through the service history with a fine-tooth comb. No DPF to go wrong, and nice reliable timing chains. BUT there are some points that need attention. . Long and short answer is: yes, they are very reliable. Is The BMW M47 Engine Reliable? Any major known faults on the M47 (not N47) 2. The EGR's need an occasional clean-out if left unrestricted, and the 120d swirl flaps can fail if they get too sooty (from the EGR again). What Are The Common BMW M47 Engine Problems? Common problems with this engine include vacuum leaks, failed injectors, failed turbocharger, problems with the VP44 fuel pump on the older non-common rail model, EGR failures, and crank pulley failures. 0 diesel engine? I'm about to buy a 2006 (06 plate) 320d touring (109K miles on it, but full BMWSH). But i read that their N47 engine's timing chain COULD be a ticking bomb, not to mention the swirl flaps. The M47 is pretty reliable. There's 2 versions of this engine which changed early 2001 iirc. Not the quickest but pretty reliable with one exception: once the engine exceeds 250 000km, the injection pump is a time The UK M47's are usually very good. First reliability and fuel consumptions. N47C (03/07) engines are safe as they have rectified the parts which break and lead to timing chain failure. My first choice was the facelift version, manufactured between 2008-9. 136hp with rotary injection pump. vjdxua yyccd jcmw utmg ksuy cvcblzu plc aqiwnq joiro ohi