Wagner Tuning BMW M2 Competition S55 Side Mount Radiator

The Wagner Tuning Side Mount Radiator for the BMW M2 Competition is a high-efficiency cooling upgrade engineered specifically for the S55-powered F87 platform.
Designed to replace the factory side radiator, this uprated unit provides improved heat dissipation, enhanced coolant stability and greater thermal headroom during sustained high-load driving.

Whether your M2C is tuned, track-driven or simply enjoyed enthusiastically on fast roads, the Wagner side radiator strengthens its cooling system and helps maintain consistent performance even in demanding conditions.

Key Features

• High-efficiency bar-and-plate aluminium core

• Larger cooling surface area vs OEM side radiator

• Optimised fin density for superior heat rejection

• TIG-welded construction for long-term durability

• Direct-fit upgrade using factory mounting points

• Stabilises coolant temperatures under heavy load

• Ideal for Stage 1, Stage 2 and hybrid turbo S55 builds

• Perfect complement to front radiators and charge coolers

Compatibility

BMW M2 Competition (F87) – S55 Engine

• F87 M2 Competition

• F87 M2 CS

(Not compatible with the N55-powered standard M2 — use the F87 N55-specific cooling components.)

Ideal For

• Tuned M2 Competition builds running increased boost

• Track-day, drift or fast-road applications

• Cars experiencing coolant temperature creep under spirited driving

• S55 engines paired with upgraded turbos or performance software

• Owners wanting improved cooling reliability without modifying OEM locations

Why Choose the Wagner Tuning M2C Side Mount Radiator

The S55 engine is known for generating high coolant and charge temperatures, especially when tuned. The factory side radiator can become overwhelmed during repeated hard pulls or extended high-load use.
The Wagner uprated side radiator addresses this with a more efficient aluminium core and improved thermal stability.

Benefits include:

• Reduced temperature spikes

• More consistent cooling during track sessions

• Better reliability at higher power levels

• Seamless integration with OEM and aftermarket cooling upgrades

Wagner’s proven engineering, premium build quality and perfect fitment make this side radiator one of the most effective supporting mods for the M2 Competition.

Installing / Notes

• Direct bolt-on; no cutting required

• Professional installation recommended

• Cooling system must be bled correctly after installation

• Works with OEM or upgraded S55 front radiators and charge coolers