As a previous BMW 5 series owner, I doubted that another car would compare favorably to that. The E350 4-matic is a dream to drive. The extra horsepower makes all the difference. All electronics work great. The car is beautiful inside and out. Quality all around.
The cruise control is perfect. The voice activated controls are great. The more powerful 6 cylinder is worth the 350 as compared to the 320.
The Harman Kardon logic 7 doesn't sound as good as expected. The Infiniti M-35 sounds better.