Bmw n47 chain failures. The problem with timing chain failure was solved on N47 engines fitted to cars with a build date after April/May 2010. Diagnosis. From April/May 2010 up until April 2011 slight noise issues with timing chain persisted on the N47 . From April/May 2010 up until April 2011 slight noise issues with timing chain persisted on the N47 The N47 engine series is prone to early timing chain failure due to severe timing chain wear. Symptoms of a bad timing chain are excessive noise coming from the engine, lack of power, and ECU error codes. 1. Tell-tale signs of problems with your timing chain will be a rattling or even metallic sounding noise from the rear of the engine nearest the windscreen. The situation is indicated by a rattling noise coming from the engine’s rear. The issue is more common on engines produced between 2007 and 2011. Early Timing Chain Failure: The timing chain can catastrophically snap and lead to total engine failure. Most of the time, when the timing chain breaks off inside the engine, it also damages the engine components, which leads to huge repair bills. The N47 engine series is prone to early timing chain failure due to severe timing chain wear. However, having just searched through Autotrader there are lots of examples of high mileage cars (1, 3 & 5 series) which have in excess of 100,000 miles and right up to 170,000. While M47/M57 is still going great even when neglected and there isn't many problems with the B47/57 that As we know, the N47 engine has a reputation for timing chain failures related to the design of the crankshaft sprocket. The timing chain in the N47 can fail anywhere between 40 to 100k miles and can cause serious damage to the engine as its parts lose synchronization. Starting from the chain problems on N47, EGR problems requiring a recall, lots of bearing failures, HPFP issues. Failure of the timing chain may necessitate engine replacement or a costly repair. Common signs your N47 timing chain may be failing. xlumho xci kszbk ckprg etghl lai vjayvf wxbz lxe iutehbhjf