are designed to meet the extreme demands of high-performance BMW S55 engines

B | BMW B58 Gen1

Both M and non-M front coilovers are compatible with Wisefab F-Series knuckles

This complete kit includes:

BMW E88 135i

5150 AutoSport Block Fire Ringing Service, 6-Cylinder BMW Engines 5090B6S are designed to meet the5150 AutoSport Engine Block Fire Ring Installation Service for 6 Cylinder BMW Engines Fire ringing an engine block, especially for high performance, high boost turbo applications, offers several mechanical advantages. These advantages are primarily related to improving the engine's ability to handle high combustion pressures and temperatures. Price includes degrease and wash, CNC machining, block resurfacing, and custom fire ring hoops. Here are the