Main Bearings To Suit BMW N54, N55, S55
Now available is the Main Bearing set to suit the BMW N54, N55 
and S55 Inline 6 cylinder turbo engines. The S55 engine is used in 
the F87 M2, F80 M3 and F82/F83 M4 vehicles. 
Engine details are:
N54B30 2979cc Inline 6 Twin Turbo 
 N55B30 2979cc Inline 6 Turbo 
 S55B30 2979cc Inline 6 Twin Turbo 
New part numbers are:
7M1397H-STD 
 7M1397H-.025 
 7M1397H-.25 
 7M1397H-.50 
 7M1397HX-STD