SKU: 22527728370

Wagner Tuning Side Mount Radiator for BMW F80 M3 & F82 M4

Sale price$487.78 Regular price$541.98
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

Wagner Tuning Side Mount Radiator for BMW F80 M3 & F82 M4The Wagner Tuning Side Mount Radiator for the BMW M3 and M4 (F80 F82 F83) is a high efficiency cooling upgrade designed to support the demanding thermal requirements of the S55 engine. Mounted in the factory side location, this uprated radiator significantly improves coolant stability during hard driving, reducing temperature spikes and helping maintain consistent engine performance. Ideal for tuned, hybrid turbo, track driven or fast road builds, the

The Wagner Tuning Side Mount Radiator for the BMW M3 and M4 (F80/F82/F83) is a high-efficiency cooling upgrade designed to support the demanding thermal requirements of the S55 engine.
Mounted in the factory side location, this uprated radiator significantly improves coolant stability during hard driving, reducing temperature spikes and helping maintain consistent engine performance.

Ideal for tuned, hybrid-turbo, track-driven or fast-road builds, the Wagner side radiator is a direct-fit upgrade that strengthens one of the S55’s most critical cooling pathways.


Key Features

  • High-efficiency aluminium cooling core

  • Increased thermal capacity compared with the OEM side radiator

  • CAD-optimised fin structure for improved heat dissipation

  • TIG-welded construction for durability under sustained load

  • Direct OEM-fit replacement

  • Helps stabilise coolant temperatures during spirited driving

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

  • Perfect addition to front radiator and charge-cooler upgrades


Compatibility

BMW M3 / M4 – S55 Engine

  • F80 M3

  • F82 M4

  • F83 M4 Convertible

(Not suitable for N55-powered M2 — use the dedicated F87 N55 cooling upgrades.)


Ideal For

  • Tuned and track-driven S55 setups

  • Drivers experiencing rising coolant temperatures under hard use

  • Cars running hybrid turbos, increased boost or high-power maps

  • M3/M4 owners wanting improved cooling system stability

  • Builds seeking additional thermal headroom alongside other cooling upgrades


Why Choose the Wagner Tuning Side Mount Radiator

The S55 engine generates substantial heat, and on many F80/F82/F83 cars the factory side radiator becomes a weak point under extended load. Wagner’s uprated side radiator offers a more efficient core with increased cooling capacity, allowing the engine to maintain safer temperatures during repeated acceleration, track sessions or high-ambient climates.

Benefits include:

  • Better coolant stability

  • Reduced temperature creep during hard driving

  • Improved reliability for tuned engines

  • Enhanced longevity of the overall cooling system

Wagner’s reputation for precision fitment and motorsport-grade cooling components makes this side radiator one of the most effective supporting upgrades for the S55 platform.


Installing / Notes

  • Direct bolt-on replacement

  • Works with OEM or upgraded front radiators and charge coolers

  • Professional installation recommended

  • Cooling system must be properly bled after installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 22527728370

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