Worried about potential repair costs? An extended warranty can provide peace of mind.
Chart based on 5 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2008 BMW Z4 2dr Hatch
330-horsepower 3.2L I6 6-speed manual RWD
18000 mi
US $1600
Oil analysis discovered that the connecting rod bearings were worn (43PPM lead). This is a known issue on the S54 engine.
Replaced mass air filter, serviced fuel injectors, replaced valve cover and vacuum hoses, and replaced O2 sensor, which finally fixed the rough cold running.