![Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)](http://i.imgur.com/1bQxrnK.jpg)
Valvetronic and golf tee mod question - 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)
![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/qe6dxIzKvjg/maxresdefault.jpg)
Golf tee mod / Exhaust valve mod + Free Exhaust Sound Hack Mods for Dual & Single Muffler Cars Loud* - YouTube
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)
![Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)](http://i.imgur.com/hoU8DFu.jpg)
Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
![Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) Valvetronic and golf tee mod question - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)](http://i.imgur.com/Jr51yHv.jpg)