DIY: Golf tee mod / exhaust flapper disable w/ pictures - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
Golf Tee Mod - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
![I did the golf tee mod (hopefully the right way) on my 435i because of annoying squeal of exhaust flap when riding in sport mode. It's temporary because I will be upgrading I did the golf tee mod (hopefully the right way) on my 435i because of annoying squeal of exhaust flap when riding in sport mode. It's temporary because I will be upgrading](https://i.redd.it/bl2a822mcx451.jpg)
I did the golf tee mod (hopefully the right way) on my 435i because of annoying squeal of exhaust flap when riding in sport mode. It's temporary because I will be upgrading
![Golf tee mod / Exhaust valve mod + Free Exhaust Sound Hack Mods for Dual & Single Muffler Cars Loud* - YouTube Golf tee mod / Exhaust valve mod + Free Exhaust Sound Hack Mods for Dual & Single Muffler Cars Loud* - YouTube](https://i.ytimg.com/vi/wM1-SpCUZ8Y/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAayDbnIXotaC8Zvx2__JzBMBpKJg)