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Secondary Air Pump Removal
Perfectly adapted to suit series-production electronic adjustment system
and aggressive racing sound
Road and track tested by BILSTEIN for fi ne tuning
CSF All Aluminium Triple Pass Radiator - BMW E46 M3 Cooler Secondary Air Pump Removal2 row 42mm core (dual core) featuring CSFs exclusive B tube technology Core features an ultra efficient fin with 6. 5mm fin height and multi louvered design for maximum surface area contact Triple pass flow structure allows the coolant to flow across the core of the radiator 3 times before exiting the radiator for lowest outlet temperatures possible CNC machined quick connect inlet outlet connections CNC machined brackets and fittings for superb fit