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
6 days ago ยท 3.2. M52 Engine The BMW 323i with the M52 engine was first introduced in 1998 as part of the third generation of the BMW 3 Series. While the M52 engine was known for its smooth power delivery and reliability, there were still some issues that owners experienced. One common issue with the M52 engine was the failure of the plastic thermostat housing.
Water pump failure. This is a common problem that most BMW users experience. The main cause of water pump failure in BMWs is age and heavy use of the car. Therefore, if your BMW ActiveHybrid 3 has put on several miles, there is a high chance of having a water pump failure. This issue is likely to take place when the car hits over 100,000 miles. Even though BMW has a bad reputation when it comes to reliability, the BMW 116d is a pretty reliable car. It is rated slightly above average as it registers fewer problems compared to family cars in the 5-series. Only the BMW 3-Series has more reliable models than the BMW 116d. After how many miles does the BMW 116d start experiencing issues? X4hl.