Milltek Milltek Particulate Filter-back - OPF/GPF Back with Centre Resonator Bypass System with GT-115 Cerakote Black Trims (OE Requires Cutting) - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1321 £3,419.56 £3,077.60 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek Particulate Filter-back - OPF/GPF Back with Centre Resonator Bypass System with GT-115 Burnt/Blue Titanium Trims (OE Requires Cutting) - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1317 £2,815.72 £2,534.15 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek Particulate Filter-back - OPF/GPF Back with Centre Resonator Bypass System with GT-115 Brushed Titanium Trims (OE Requires Cutting) - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1318 £3,113.11 £2,801.80 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek Particulate Filter-back - ECE Approved - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1320 £3,488.87 £3,139.98 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek Particulate Filter-back - Centre Resonator Back System with JET-115 Carbon Fibre Trims (OE Requires Cutting) - ECE Approved - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1319 £3,336.07 £3,002.46 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek GPF/OPF Bypass - Centre Resonator Back System with GT-115 Polished Trims (OE Requires Cutting) - ECE Approved - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1192 £330.00 £297.00 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek GPF/OPF Bypass - Centre Resonator Back System with GT-115 Cerakote Back Trims (OE Requires Cutting) - ECE Approved - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1195 £1,025.68 £923.11 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek GPF/OPF Bypass - Centre Resonator Back System with GT-115 Burnt / Blue Titanium Trims (OE Requires Cutting) - ECE Approved - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1193 £1,025.68 £923.11 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek GPF/OPF Bypass - Centre Resonator Back System with GT-115 Brushed Titanium Trims (OE Requires Cutting) - ECE Approved - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1196 £804.78 £724.30 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek GPF/OPF Bypass - OPF/GPF Back with Centre Resonator Bypass & JET-115 Carbon Trims (OE Requires Cutting) - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1194 £804.78 £724.30 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek HJS Tuning ECE Downpipes - OPF/GPF Back with Centre Resonator Bypass & GT-115 Polished Trims (OE Requires Cutting) - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1298 £3,240.00 £2,916.00 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart
Milltek Milltek Large-bore Downpipe and De-cat - OPF/GPF Back with Centre Resonator Bypass & GT-115 Cerakote Black Trims (OE Requires Cutting) - 4 Series - G82 M4 & M4 Competition (OPF) - 2020 - SSXBM1271 £1,152.00 £1,036.80 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior... Add to Cart