Milltek HJS Tuning ECE Downpipes BMW 1 Series M140i 3 & 5 Door (F20 & F21 LCI - Non-OPF models only) SSXBM1039 SKU: SSXBM1039 Price 9,999.90 zł 300 Cell ECE Approved HJS Tuning Catalyst. Can be fitted with both Milltek Sport and OE Cat Back Systems