Audi 5c 20v
October 1, 2018BMW 4c 16v
October 2, 2018
BMW 4c 8v
- Porting work with smooth or corrugated finish, including rectification of valve seats
- Dimpling finish (golf ball effect)
- Work of the combustion chamber
- Working intake manifold
- Replace valve guide
- New valve seats in Berylium