Powerflex Poly Rear Subframe/Diff Inserts For BMW 1 F20, F21 PFR5-1920/1921/1927
£199.20
Diagram Position 27: Rear Diff Front Bush Insert PFR5-1927 [2 Bushes]. This is a polyurethane insert that fits into and fills the voids in original bush to stabilise the diff under acceleration. OEM Part Number: 33316792509.
