i don't know about bmw in us, but my x5 (2010 30i direct-injected) has no problem at all, and my 2004 520i, the only problem was front left suspension due to . but my 2009 mercedes E280, at 69k kms, the transmission fails, the engine is rough, and my 2007 mercedes S350L, at 53k kms, the airmatic already broke, the gear changes is rough and all of my mercedes reliability is poor. all of my car are european spec.