Lowering a BMW F97 X3 M or F98 X4 M with a spring set without addressing the bump stops creates a predictable problem: shortened suspension travel causes stock bump stops to engage too early, leading to sudden bottoming out. Dinan's Ride Quality & Handling Kit solves this with progressive-rate bump stops tuned specifically for Dinan springs on the F97 X3 M and F98 X4 M platforms.

By maximizing available suspension travel at the lowered ride height, the kit eliminates abrupt bottoming out while also adding a bump-rate effect through corners that improves mechanical grip. Required companion piece to get full performance and ride quality from Dinan spring sets on this platform. Set of 4 bump stops.

Dinan F97 X3M / F98 X4M Ride Quality & Handling Kit Features:

+ Progressive-rate bump stops tuned for use with Dinan spring sets
+ Maximizes suspension travel at lowered ride height
+ Eliminates sudden bottoming out — the most common side effect of lowering without bump stop tuning
+ Adds progressive bump-rate effect for improved mechanical grip through corners
+ OE-quality material for consistent, predictable characteristics
+ Set of 4 bump stops included
+ Fits BMW F97 X3 M, F97 X3 M Competition, F98 X4 M, F98 X4 M Competition