CSF FMHE Front Mount Heat Exchanger / Intercooler Radiator (Low Temp LTR) for BMW G8X G80 M3 & G82/G83 M4 2021+ - S58 Charge Air Cooler Upgrade, Uprated Auxiliary Radiator, Direct-Fit Plug & Play - Replaces 17-11-8-095-283

CSF Uprated Charge Air Cooling Radiator for BMW M3 G80 and M4 G82 G83

Give your G8X the cooling it deserves. This CSF auxiliary low-temp radiator is a premium, direct-fit upgrade for the S58 twin-turbo platform that delivers cooler charge temps, faster recovery from heat soak and rock-solid performance on fast road and track. Whether your BMW is stock or running a remap, this drop-in cooler keeps intake temps under control so you can enjoy repeatable power, back-to-back acceleration and confidence in hot UK summers and demanding track days.

Why this cooler is a must-have

• Lower charge temperatures for consistent power during spirited driving and extended sessions
• Quick heat soak recovery for stronger consecutive pulls and stable lap-after-lap performance
• Improved airflow through the front cooling pack to help overall coolant and engine oil temperatures
• True drop-in, bolt-on fitment with OEM-style quick-connects and no cutting required
• Ideal for daily-driven cars, tuned Stage 1 and Stage 2 setups, fast road and track day use

Technical details

• 2-row, 42 mm ultra high-performance core
• 6.5 mm multi-louvered fin with CSF B-Tube technology for maximum efficiency
• CNC machined mounting brackets with OEM-style quick-connect inlet and outlet
• 100% all aluminium TIG-welded construction for strength and durability
• Includes black rock guards and transmission cooler mounting kit
• Hand polished finish
• 2-year limited warranty
• Proven by CSF’s global R&D partners including leading time attack teams, tuners and turbo kit manufacturers

What you get

• CSF front-mounted low temperature radiator assembly
• Black rock guards and brackets:
  • Manual transmission: upper and lower rock guards
  • ZF8 automatic: upper rock guard and transmission cooler mounting kit
• All required hardware for a direct-fit installation

Compatibility

• 2021 onwards BMW G80 M3 including Competition – 6MT and ZF8
• 2021 onwards BMW G82 M4 Coupe including Competition – 6MT and ZF8
• 2021 onwards BMW G83 M4 Convertible including Competition – 6MT and ZF8

OEM cross reference

Direct replacement for BMW part number 17-11-8-095-283.

Installation and fitting

Designed as a plug-and-play, drop-in cooler using factory quick-connect fittings. No trimming or permanent modifications. For professional fitting, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Real-world feedback

We have installed this CSF cooler on multiple G80 and G82 builds. Customers consistently report noticeably lower intake temps, better back-to-back performance and stable temperature control during hard use. It is a high-impact, confidence-inspiring cooling upgrade for the S58.

Why buy from us

• Trusted UK supplier for BMW G-series performance parts
• Hands-on experience with G8X cooling packages and setup advice
• Professional fitting available at MJ Modifications in Warwickshire

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