Dinan Supplemental Ride Quality and Handling Kit for BMW E70 X5 M and E71 X6 M is the essential suspension upgrade to pair with Dinan Performance Spring Sets on your BMW X5M or BMW X6M. This kit features tuned, progressive rate bump stops that maximise suspension travel on lowered vehicles, delivering noticeably improved ride quality and sharper handling compared to springs alone. It reduces harshness, prevents sudden bottoming out, and enhances mechanical grip and cornering performance. If you are searching for a BMW X5M suspension upgrade, BMW X6M suspension upgrade, Dinan bump stop kit, E70 X5M bump stops, or E71 X6M bump stops, this is the proven solution.
Why choose the Dinan Ride Quality and Handling Kit
- Progressive rate bump stops tuned specifically to work with Dinan lowering springs for BMW E70 X5M and E71 X6M.
- Maximises compression travel on a lowered car for better comfort and control.
- Prevents the unpleasant bottoming out often experienced after lowering.
- Optimises effective spring rate for increased mechanical grip and cornering power.
- Amplifies both performance and comfort when paired with Dinan Performance Spring Sets.
At Nforcd we have fitted and used these kits alongside Dinan springs, and customer feedback has been consistently positive. Owners report a smoother ride on UK roads and greater confidence when pressing on, making this Dinan ride quality kit one of the most effective BMW X5M and X6M suspension upgrades when lowering.
Ideal for searches
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Fitment
- BMW X5 M E70, 2010 to 2013
- BMW X6 M E71, 2010 to 2014
What is included
- Tuned, progressive rate bump stops designed to complement Dinan Performance Spring Sets
Important notice
To achieve the advertised ride height, performance and ride quality, Dinan Performance Spring Sets should be purchased and installed together with this Supplemental Ride Quality and Handling Kit. While not explicitly required, using springs without the corresponding kit commonly results in poor ride quality and improper handling characteristics. Warranty is maintained on manufacturing defects, however any claims related to undesirable handling or ride traits resulting from not using the matching kit are not covered.
Professional fitting
Professional installation is recommended. Nforcd offers fitting at our Warwickshire workshop. Request a quote at Sales@nforcd.com.

