# 2001 BMW 325 thumps from the rear

**URL:** <https://community.cartalk.com/t/2001-bmw-325-thumps-from-the-rear/175960>\
**Category:** Maintenance/Repairs\
**Tags:** bmw, 325\
**Created:** [April 3, 2021, 5:25am UTC](https://community.cartalk.com/t/2001-bmw-325-thumps-from-the-rear/175960 "2021-04-03T05:25:03Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Rustle54](https://avatars.discourse-cdn.com/v4/letter/r/b38774/32.png) [@Rustle54](https://community.cartalk.com/u/Rustle54)\
**Post date:** [April 3, 2021, 5:25am UTC](https://community.cartalk.com/t/2001-bmw-325-thumps-from-the-rear/175960/1 "2021-04-03T05:25:03Z")

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When Accelerating from a stop there’s a thump thump coming from rear of Car. About 10-15 mph then it quits. What is the problem?  
Thanks! Russ

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**Author:** ![Darron](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/darron/32/21829_2.png) [@Darron](https://community.cartalk.com/u/Darron)\
**Post date:** [April 3, 2021, 5:37am UTC](https://community.cartalk.com/t/2001-bmw-325-thumps-from-the-rear/175960/2 "2021-04-03T05:37:23Z")

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Does it sound at wheel speed? Is it a continuous noise?

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**Author:** ![davepsinbox\_157004](https://avatars.discourse-cdn.com/v4/letter/d/73ab20/32.png) [@davepsinbox\_157004](https://community.cartalk.com/u/davepsinbox_157004)\
**Post date:** [April 3, 2021, 8:24pm UTC](https://community.cartalk.com/t/2001-bmw-325-thumps-from-the-rear/175960/3 "2021-04-03T20:24:58Z")

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Other owners have reported similar noises. The usual suspect is a bad rear differential bushing.

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [April 4, 2021, 12:45pm UTC](https://community.cartalk.com/t/2001-bmw-325-thumps-from-the-rear/175960/4 "2021-04-04T12:45:06Z")

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Could be a diff bushing as Dave points out, could be the rear subframe mounting points have rusted away. Could be a bad shock absorber mount. Could be a $200 repair, could be a $1500 repair.

All have been issues with this model BMW. Take it to a mechanic who can both see and hear the noise.
