Standalone ECUs offer advantages over factory ECUs:

2016-2019    F20    120i / 125i

Ideal for High-Lift Cams and Performance Applications

With CAT Cams

prevent valve float

5150 Xtreme Duty Cylinder Sleeve Set, BMW / Toyota B58 Coolant Standalone ECUs offer advantages over5150 Xtreme Duty Cylinder Sleeves, also known as cylinder liners, are centrifugally cast, ductile iron cylinder sleeves. Designed to work with piston sizes ranging from 82 mm to 84 mm. Benefits of Engine Sleeving Include: Increased Bore Size: Sleeving your engine gives the opportunity to increase bore size for higher displacement and increased engine capacity, resulting in more power and more torque Increased Strength: Iron sleeves are stronger than