BMW can't seem to get our software programming right, so be prepared for updates. Other than that, people are concerned abut carbon buildup, but there haven't been enough cases to really label it a universal issue. Itll probably give you fewer issues than the injectors on your HPCR vee-dub. Get it with the CPO & you'll love it.
You can expect about 30mpg average if you drive with a good mix of highway/city and a medium-to-heavy foot.
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