Link Engine Management CAN Keypad Options:8 Button The roller bearing tip is

The roller bearing tip is like a wheel that rolls over the surface of the bearing while it measures the bearing thickness

2011-2016     E89     Z4 sDrive20i / sDrive28i

Ferrea valve springs feature increased spring pressure

and greater overall engine strength

if the cylinder condition is poor

Link Engine Management CAN Keypad Options:8 Button The roller bearing tip is101 0234 Rugged 4 key CAN Keypad with interchangeable 15mm inserts (sold separately). Custom button inserts and configurable RGB indicator rings per button allow for extremely flexible set ups. The keypad is designed for ultimate reliability IP67 IP69K water and dust resistant, 40 to +70 operating temperature range, UV 400hrs, salt spray resistant and switches rated to 3 million operations. Can be installed both inside and outside, perfect for street,