Cracking sound from underside of the driver's footwell

F57SD · 10-08-2023, 06:37 AM

Hello everyone,

since I didn't have any luck on the MINI forums, and my F57 Cooper SD is mostly an F40 with a B47 engine underneath, I decided to try my luck here.

So I've been getting this weird cracking sound that's been getting progresivly worse from underneath the car, it sounds like it's coming from the underside of the driver's footwell. I can mostly hear in the morning when going over speed bumps or potholes, but less so when the car gets warm or when the ambient temparature outside rises. You can also hear it, almost like very short repeaded CRACK-CRACK-CRACK sound, if you turn the steering wheel all the way to the left or right and accelerate hard. I already changed the upper and lower engine mount and both front control arm suspension bushes, but that didn't fix it. I attached some videos below of the noise, to see if anyone can help...

VIDEO1

VIDEO2

Thanks very much in advance!

Bucknut · 10-09-2023, 05:24 PM

Is this not an engine mount or top link mount sound? Maybe just the rubber Bush needs replacing?

10-08-2023, 06:37 AM	#1
F57SD Registered 0 Rep 1 Posts Drives: MINI Cooper SD Cabrio Join Date: Oct 2023 Location: Slovenia iTrader: (0)	Cracking sound from underside of the driver's footwell Hello everyone, since I didn't have any luck on the MINI forums, and my F57 Cooper SD is mostly an F40 with a B47 engine underneath, I decided to try my luck here. So I've been getting this weird cracking sound that's been getting progresivly worse from underneath the car, it sounds like it's coming from the underside of the driver's footwell. I can mostly hear in the morning when going over speed bumps or potholes, but less so when the car gets warm or when the ambient temparature outside rises. You can also hear it, almost like very short repeaded CRACK-CRACK-CRACK sound, if you turn the steering wheel all the way to the left or right and accelerate hard. I already changed the upper and lower engine mount and both front control arm suspension bushes, but that didn't fix it. I attached some videos below of the noise, to see if anyone can help... VIDEO1 VIDEO2 Thanks very much in advance!
	Appreciate 0 Tweet Quote

10-09-2023, 05:24 PM	#2
Bucknut Registered 15 Rep 3 Posts Drives: BMW m135i Join Date: Oct 2023 Location: North East UK iTrader: (0)	Is this not an engine mount or top link mount sound? Maybe just the rubber Bush needs replacing?
	Appreciate 0 Quote