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Vehicle Info NeededHUSHMATPART NUMBER: 774-583601
Floor Sound Deadening and Thermal Insulation Kit for Select BMW Models
$34038
Ships on 11/03/2026
Lowest Price GuaranteeFloor Sound Deadening and Thermal Insulation KitFits Select BMW Models See Fitment Tab for All Applications Covers Firewall, Floor, Doors, Roof, Rear Wall Butyl Rubber Compound, R-7 Rating Black/Silver Backing Sold as a Kit
Quiet the floor of the BMW lineup with a custom-measured HushMat Ultra kit that covers firewall, floor, doors, roof, rear wall.
HushMat 583601 Floor Sound Deadening Kit Features:
- Covers Firewall, Floor, Doors, Roof, Rear Wall
- Butyl Rubber Compound construction with an R-7 thermal insulation rating
- Black/Silver finish
- Withstands bakes up to 240 deg C (464 deg F) without sagging or losing adhesion
- Self-adhesive peel-and-stick application, no separate tools or adhesive required
- Sold as a complete kit
- Fits the following applications:
- 2014-2018 BMW 320i
- 2014-2015 BMW 328i
- 2014-2015 BMW 335i
- 2016-2026 BMW 330i
- 2016-2018 BMW 340i
- 2018 BMW 318i
- 2018 BMW 330e
- 2020 BMW 320i
- 2020-2021 BMW 330e
- 2022-2026 BMW 320i
Part TypeThermal Acoustic Insulation
BrandHUSHMAT
Package Width12 in
Package Length23 in
Part CategoryPerformance Parts
R-Value7
Cold Flexibility-30 deg C without Cracking
ColorBlack Polymer / Silver Backing
QuantitySold as a Kit
MaterialButyl Rubber Compound
CoverageFirewall, Floor, Doors, Roof, Rear Wall
Hardness6.5-9.0 mm (ASTM D-5)
Thickness1.5 mm
ReusableNo
Cutting RequiredYes
Temperature Resistance464 deg F (1 hr Bake, No Deformation)
FlammabilitySelf-Extinguishing per FMVSS 302
Additional Adhesive RequiredNo
Shelf Life12 Months Minimum, Stored Below 40 deg C
SafetyNot Considered a Hazardous Material
Part FitmentDirect Fit
Specific Gravity1.47 (0.47 lb per sq ft)
Package Qty1
Some parts are not legal for use in California or other states with similar laws / regulations
