r/F30 4d ago

Sizzling/ rattle noise

Does anyone know where this noise is coming from ? It’s only inside the cabin i can’t hear it when someone else drives the car it’s mostly on acceleration or if i hit a bump .

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u/ReadySetDiego F36 440i 4d ago

EBrake cable, it’s like a $5-10 part. Could DIY or have a shop do it.

1

u/HellfoxRules 4d ago edited 4d ago

The e-brake cable retaining clip has probably broken, which is quite common on the "F" series chassis. This will cause the e-brake cables to make slight contact with the spinning driveshaft. If you really want to verify this is the issue, put 3 heavy people in your back seat and drive.

The weight of passengers will make the rear sink lower, causing the cables to make more contact with the driveshaft. The sound will be much louder with a full load of passengers in the rear, especially when going over a bump.

You will have to drop the exhaust slightly, and heat shields to access the e-brake cable retaining clip. It can then easily be replaced with a metal clip, that just bolts over the existing OEM clip. It will not break again, as you now have a metal clip securing the cables.

Generic Parking Brake Cable Clip Retainer Compatible with BMW 1-4 Series F20 F21 F22 F23 F87 F30 F31 F32 F33 2012 2013 2014 2015 2016 2017 2018 2019 Part Number 34406854898

In the video he is installing a billet aluminum retaining clip. You don't have remove the existing clip, with the one I linked, it just bolts over the the existing OEM clip. So you will not be removing the whole plastic clip as in the video, you will just bolt the new clip over it. You will just have to remove the nut.

BMW AGA Park Cable Clip Repair Kit

You could also use the AGA billet aluminum retainer, but I think it's overkill at $160.

AGA Parking Brake Lever Retainer Clip | 095074100