Many proprietors of Bavarian E60 and E61 530d/535d models experience challenges related to the final drive. A common fault is excessive noise , often described as a rumbling from the back of the vehicle . https://bmw-e60e61-530d-535d-dif711684.1blogtheme.com/61243240/bavarian-5-series-530d-535-rear-axle-problems-solutions