Swift Springs Spec-R Lowering Springs – BMW M4 (F82)

OVERVIEW

Swift Springs' Spec-R line uses the company's signature small-ID, high-travel spring design for a more linear rate through the shock's travel than a typical high-ID lowering spring. For the F82 M4, the Spec-R kit lowers ride height for street and track use while working with the factory S55's damper valving.

SPECS

• Front spring rate: 5.0 kgf/mm
• Rear spring rate: 13.0 kgf/mm
• Front drop: approx. 1.1 in
• Rear drop: approx. 0.9 in
• Swift small-ID, high-travel spring construction

PARTS INCLUDED

• Front and rear Spec-R lowering springs (set of 4), as supplied by Swift Springs

TECH RESOURCES

Required Parts

• None. Swift Springs specifies no additional hardware beyond the factory strut/shock assembly for installation.

Notes

• Swift Springs does not publish an installation PDF or a vehicle-specific install video for this kit; installation follows standard spring-compressor procedure onto the factory struts/shocks.
• This SKU was showing sold out on Swift Springs' own site at the time this listing was built; confirm current lead time before promising a ship date.

PART NUMBER

• 4X908R

VEHICLE APPLICATIONS