Took my M3 to replace a valve gasket cover which was leaking. Rui charged me $500 for the job which was never done, I noticed months later due to the under carrige plastic absorbing the oil and was spotted on a recent maintenance which I was told it was never replaced. That was my first time going to this shop and last. Probably not an habitual practice but I've experienced it, beware!!

They are the best, If you want it done right the first time go to Azevedo Motorsports. They do the best engine work and customs jobs in NY, NJ, and CT. They cant be beat.