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* The JCW tested had a stage 2 map and downpipe
This intake sets a new benchmark in design and craftsmanship for the F2X
With “B-tubes” you are able to get “dual liquid laminar flow
This leads to an optimised intake system which delivers noticeable performance gains consistently
Not against the stock airboxes – which will now be an even larger gain
CSF B58 | B48 Charge Cooler Water Radiator - BMW M140i | M240i | 340i | 440i M5 (F90) * The JCW tested hadThe CSF Charge Cooler Water Radiator AKA Heat Exchanger is the most technologically advanced on the market. The tuning potential for the charge cooled M1 240i, 1 2 3 420i and 1 2 3 425i is huge. However, once boost levels are increased the charge air temperature increases which is due to compressed air heating up. The stock cooling system works okay on a stock car but once boost levels are increased and more heat is introduced it begins to struggle.