BMW 5 Series 2009

2009 BMW 5 Series: what owners report

• Water pumps fail on several petrol engines, on F10 cars often from about 100,000 km; US owners of the 2008 535i report water-pump failure at around 85,000 miles.2008–2017
• Timing chains that stretch or break are the best-known engine fault, on the N43 520i and N47 diesel from 2007 and the N20 petrol; US complaints on the 2012 528i also include a failed oil-pump drive chain around 81,000 miles.2007–2017
• On the 2003–2010 E60, the N52 six-cylinder's Valvetronic eccentric shaft wears and makes the idle hunt, and direct-injection petrols from 2007 lose injectors and high-pressure pumps.2005–2010