CSF Radiator for BMW F20-F21 1 Series - ManualCSF Radiator for BMW F20 F21 1 Series Manual Fits: F20 F21 1 Series F22 F23 2 Series F30 F31 3 Series F32 F33 4 Series F34 3 Series Gran Coupe F36 4 Series Gran Coupe I3 Year Model Sub Model Chassis Code Engine Code 10 18 118i 5 doors F20 B13 10 18 120d 5 doors F20 N47N 10 15 125d 5 doors F20 N47S1 10 18 125i 5 doors F20 N20 10 18 M135i 5 doors F20 N55 14 18 116i 5 doors F20 B38 10 18 118i 3 doors F21 N13 10 15 125d 3 doors F21 N47S1 10 18 125i 3

Direct replacement for the OE part

AIRTEC embarked on developing an entire replacement air box carefully moulded to our design in a lightweight carbon fibre material to help thermal efficiency

Reduces movement in all directions whilst still retaining some noise and vibration isolation

Outstanding engine cleanliness

making it excessively hot)

cleaning can be repeated with a second can

Optional In-Line Thermostat

Total base number 11 mg KOH/g

Not only do these CSF Radiators dramatically improve cooling efficiency (whilst maintaining light

providing an increase in throttle response

SR is therefore only made in a limited range of ultra-fast street vehicle systems or for full race calipers from such as AP Racing

Vauxhall Astra GSi G