CarComplaints.com has 1,027 complaints on file for BMW vehicles. The worst models are the 2013 X3, 2011 X5, 2013 X5, 2007 335, and the 2007 328. Click on a model below for more information. Several common problems have been noted with the BMW 1 Series and it is important to be aware of these issues if you are considering buying one or already own one. The BMW 1 Series has been reported to have several issues by its owners. These issues include problems with the ignition coil, turbo, brakes, power steering and EGR valve. Most common BMW 335i problems The BMW 335i made its debut in 2007 with an upgraded version of the 3.0-liter straight-six N54 engine. The base engine got two turbochargers that pushed the performance to 306 horsepower and it could easily be maxed out to over 500 horsepower, or even more with a single big turbo. How reliable is the 1998 BMW 3 Series? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. Common Problems by Model Year. 2023 The most common problems found on the 2008 BMW 3 Series include a broken belt tensioner, air conditioning system issues, and problems with the fuel pump. Overall, the problems are not widespread, and aren’t as bad as on other luxury cars. 5 days ago · How reliable is the 2019 BMW 3 Series? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. Common Problems by Model Year. 2023 Oil leaks. "Known problem with this engine. Unfortunately it is a $1500 to $2000 repair. Oil is cheap compared to the repair." Anonymous, NJ (2007 BMW 3 Series 328xi 3.0-L 6 Cyl) "Oil leaks How reliable is the 2011 BMW 3 Series? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. Common Problems by Model Year. 2023 xKSkEG.