AST 5100 Coilovers for the BMW F20 M135I/M140I are 1.5-way adjustable coilovers that feature combined compression (bump) and rebound adjustment via a single adjuster.

For improved performance under heavy vertical and lateral loads, AST 5100s feature an inverted strut design. This, combined with the kit's monotube piston design, leads to far superior road holding on the street and track whilst also being reliable and confidence-inspiring for the driver.

The key features of the AST 5100 Coilovers for the BMW F20 M135I/M140I are:

• Inverted strut design for improved performance at high speed

• 1.5-way adjustable with bump and rebound characteristics controlled via a single adjuster (12 click of adjustment)

• Includes springs

• Fully ride-height adjustable from -25mm to -60mm

• Either compatible with OEM top mounts or can be specified with AST adjustable camber plates