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In-house dyno remap
20-25mm Front and Rear
stiffness and beautiful attention to detail
Standard filter area = 43
The spring range offered by Racingline Performance are not designed to drastically lower the vehicle
BMW B58 Stage 2 Remap — 440–455bhp (M140i / M240i / 340i / 440i) Gearbox Tune:ECU Only In-house dyno remapWP Stage 2 440455bhp 480500ft lb Stage 2 removes the biggest restriction on the B58 the factory downpipe and catalytic converter. With a free flowing 4" performance downpipe and high flow panel filter fitted, the twin scroll turbo can breathe properly, delivering 440455bhp and 480500ft lb of torque. The gains over Stage 1 go beyond peak numbers turbo response sharpens noticeably, the mid range fills in further, and the exhaust note comes alive. The
US$ 22.99
US$ 62.99
