BMW 440i Heat Exchanger - Dinan - High Performance - `16-`20
BMW 440i Heat Exchanger - Dinan - High Performance - `16-`20
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BMW 440i Heat Exchanger - Dinan - High Performance - '16-'20. For B58-powered 440i models, this upgrade boosts cooling for consistent performance under spirited driving and resists heat soak.
Replacing the 27mm OEM unit with a 48mm Dinan core gives 78% more cooling area. Testing showed avg IAT drops of 8°, with peaks to 15° during repeated WOT pulls. Note: minor trimming of the plastic core stack shroud may be required on some cars (especially with the optional hot-climate cooler); see the installation PDF.
Features
- 48mm core vs 27mm OEM
- 78% more cooling surface area
- L-shaped end tanks add thermal mass
- 100% TIG welded; pressure tested
- Install hardware incl. xDrive brackets
Questions? Call: TX 512-982-9393, CA 562-981-6800. Installation and customization available in Austin and Los Angeles.
Buying multiple items? Ask about shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Need Assistance?
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Call us at 512-982-9393 (Austin, TX) or
562-981-6800 (Signal Hill, CA)
and get assistance from one of our sales team members!
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