Dinan Performance Spring Set | E70 X5 M · E71 X6 M | 4.4L Turbo V8 [S63] G80 M3 3.0L Turbo I6 [S58] The interior of the hoses

The interior of the hoses are smooth and lined with a fluorosilicone material designed to resist oil degradation and extend component life

Weighing in at only 1613 grams

These significant power gains are added through the entire RPM band by allowing the turbocharger to flow freely through the 3" downpipe

This process can take 1 to 2 business days and in some cases longer depending on your file version

This extensive remapping work delivers a linear and predictable throttle pedal with clean and linear boost delivery

Dinan Performance Spring Set | E70 X5 M · E71 X6 M | 4.4L Turbo V8 [S63] G80 M3 3.0L Turbo I6 [S58] The interior of the hosesSuspension systems that not only transform the stance of the vehicle but also maintain ride quality and improve upon handling are what Dinan suspensions are known for. This is accomplished by pairing springs sets with bump stops spring perches or both to maintain suspension travel resulting in a smooth ride while also improving mechanical grip and handling. This is what makes Dinan suspension systems unique. While we are able to sell each component