Heat Exchanger Kit | BMW G8X M2/M3/M4 BMW-540i-2022CarBahn High Performance Heat Exchanger Kit BMW M2, M3 & M4 (G80, G82, G83, G87 20212025) Maximize your BMW M2, M3, or M4's cooling performance with the CarBahn Heat Exchanger Kit, engineered for enthusiasts demanding greater power, reliability, and thermal efficiency. Whether you're tracking your car or driving spiritedly in hot climates, this upgrade ensures your S58 engine stays cooler under pressure. Developed using Formula 1 derived technology,
Fuel Measurement Condition Horsepower Torque (lb-ft) 93 Octane Calculated Flywheel OEM Stock 528 476 Tuned 701 623 Measured Wheel OEM Stock 465 419 Tuned 617 549 100 Octane Calculated Flywheel Tuned 715 632 Measured Wheel Tuned 630 557 *This can ONLY be installed at an Authorized CarBahn dealer
This coil-over kit is the heart of your suspension package — but true performance comes from building the system around it
Improved weight transfer and consistent tire contact
Octane Type OEM Stock Tuned 93 Octane Calculated Flywheel Power 685 HP & 661 lb-ft TQ 743 HP & 729 lb-ft TQ Measured Wheel Power 562 HP & 542 lb-ft TQ 610 HP & 598 lb-ft TQ 100 Octane Calculated Flywheel Power — 787 HP & 754 lb-ft TQ Measured Wheel Power — 646 HP & 619 lb-ft TQ
Replaces OEM Unit Single-Pass Design and Plastic Shroud with a Unique Top/Bottom Dual-Pass Design for Maximum Surface Area and Flow
862 HP / 917 lb-ft
peregrine-block{ grid-template-columns: 1fr
or high-performance street builds
CarBahn high-performance valve springs are installed to maintain valvetrain control at elevated engine speeds
Sold Individually – all applications require 2 auxiliary radiators
We have run back-to-back dyno runs with the cat on and off
margin-bottom:14px
