Q: knocking sound from the back of the car

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hi when i slow m car down to stop i hear and feel a knocking and the same feeling when go to reverse

My car has 200000 miles.
My car has an automatic transmission.

Hello there, many faults will cause a knocking noise in your 2002 BMW 325i. The most common is the driveshaft, drive axles, differential gears, transmission mount, or the rear struts. A qualified Technicians such as one from YourMechanic will be able to inspect your vehicle, diagnose where your knocking noise is coming from and make any repairs required to resolve it.

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