PLM PLM-AUDI-B8-HE – Heat Exchanger for Audi A4 / S4 B8 B8.5

The PLM Heat Exchanger for Audi A4 and S4 B8/B8.5 is engineered for performance and reliability. Featuring one of the largest cores on the market, this all-aluminum unit drastically improves cooling efficiency by increasing the frontal surface area by 135% compared to the OEM unit. Whether you’re daily driving or pushing your Audi on the track, this heat exchanger helps reduce intake air temps and heat soak, unlocking more consistent power delivery.

KEY FEATURES

• One of the largest cores on the market today

• Reduces intake air temperatures and increases horsepower

• 135% increase in frontal surface area vs. stock

• Full aluminum construction

• Non-epoxied furnace brazed core

• TIG welded for durability

• High-quality CNC cut brackets

• Bolt-on installation in stock location

• Includes drill bit for bumper beam

• One-year warranty

TECHNICAL SPECS / MATERIALS

• 417 square inches of fin area

• CNC brackets

• All-aluminum body

• TIG welded

• Non-epoxied brazed core

INSTALLATION DETAILS

• Mounts in stock location

• Some drilling into front bumper beam required

• Drill bit included

• Coolant reservoir sold separately

• Estimated install time: ~1.5–2 hours

• INSTALL PDF: HERE

WHAT’S INCLUDED

• PLM Heat Exchanger

• Mounting brackets

• Drill bit

• Hardware kit

FITMENT GUIDE

• Audi A4 B8 / B8.5 (2009–2016)

• Audi S4 B8 / B8.5 (2010–2016)

NOTES

• May require trimming of bumper shroud on some models

• Coolant reservoir not included

• Designed for performance use

BRAND INFO
PLM (Private Label Mfg.) designs performance-focused parts for Audi, Honda, Acura, Ford, and more. Their heat exchangers, downpipes, and headers are trusted by enthusiasts and tuners for their proven performance and track-tested reliability.