Many proprietors of Bavarian E60 and E61 530d/535d models encounter difficulties related to the final drive. A common fault is excessive whining, often described as a grinding from the rear of the machine. https://bmw-e60e61-530d-535d-dif653275.dailyhitblog.com/48100657/bmw-s-5-series-530d-535d-differential-concerns-solutions