AkuGlen Member Sep 29, 2014 #1 Bros, currently own a stock F20, 118i. Notice that whenever I press the gas really hard and let go, there is a soft hissing sound.. Any advice? Thanks in advance! New to this forum hope I can get some awesome people to help me out here. Cheers
Bros, currently own a stock F20, 118i. Notice that whenever I press the gas really hard and let go, there is a soft hissing sound.. Any advice? Thanks in advance! New to this forum hope I can get some awesome people to help me out here. Cheers
Javaben Well-Known Member Sep 30, 2014 #2 Re: Hissing sound after depressing accelerator? That's is your BOV blow off valve when there is too much turbo pressure. All normal
Re: Hissing sound after depressing accelerator? That's is your BOV blow off valve when there is too much turbo pressure. All normal
