Hello, the engine of my beetle has blessed the time and there I am looking for a good engine, which you get with ach and krach still in the rear, which engine ( 4 cylinder boxer ) you can recommend, does not necessarily have the hammer power, but should be durable! In which subrau are the boxer the installed, all or there are also row motors, can you buy the individually or should I access in case of an accident, what cost maintenance parts? would be nice who one can help me in the subject Subaru Motor, thank you!