Powerflex Poly Rear Subframe/Diff Inserts For BMW 1 F20, F21 PFR5-1920/1921/1927
Powerflex Rear Subframe/Diff Inserts
Vehicle Fitment Guideline: BMW 1 Series F20, F21 (2011 -)
This Kit Contains:
Diagram Position 19: Rear Subframe Front Bush Insert PFR5-1920 [2 Bushes]
Diagram Position 20: Rear Subframe Rear Bush Insert PFR5-1921 [2 Bushes]
Diagram Position 27: Rear Diff Front Bush Insert PFR5-1927 [2 Bushes]
Important Notes:
PFR5-1920
This is an insert that fits into voids in the original bush to reduce subframe movement.
OEM Part Number: 33316792509
PFR5-1921
This is an insert that fits into voids in the original bush to reduce subframe movement.
OEM Part Number: 33316792510
PFR5-1927
This is a polyurethane insert that fits into and fills the voids in original bush to stabilise the diff under acceleration.
OEM Part Number: 33316792513