{"product_id":"dinan-dnnd780-0002-high-performance-heat-exchanger","title":"Dinan - dnnD780-0002 - High Performance Heat Exchanger","description":"The Dinan B4x\/B58 heat exchanger for the F2x\/F3x chassis assists in mitigating these issues with a more robust core (48mm thick Dinan core vs. 27mm thick OEM core) that wields 78% more heat transfer surface area for improved cooling capacity.  The significant increase in core thickness requires unique \"L\" shaped end tanks to be incorporated as well, which also contributes to the overall thermal mass (ability to absorb, store, and release heat) improvement beyond the OEM setup. With up to a 15\u0026amp;deg IAT delta recorded over stock the Dinan heat exchanger is ready, and able, to assist in extending your vehicles ability to deliver maximum performance time and time again for your driving enjoyment!\nF22\/F23\/F30\/F31\/F32\/F33\/F34\/F36\nDue to the enlarged core and unique \"L\" shaped endtanks minor modification to the plastic core stack shroud may be required with some factory configurations ( particularly those with the optional OEM hot climate heat exchanger). Consult the installation PDF for full documentation on what exactly that entails.\n\u003cul\u003e\n  \u003cli\u003eAverage of 8\u0026amp;deg reduction in IAT's with a maximum reduction of 15\u0026amp;deg over 15 successive WOT pulls\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware included (inclusive of xDrive specific transmission oil cooler brackets)\u003c\/li\u003e\n  \u003cli\u003eReduces the tendency to heat soak \/ go in to limp mode\u003c\/li\u003e\n  \u003cli\u003e48mm thick Dinan cooler vs. 27mm thick stock cooler\u003c\/li\u003e\n  \u003cli\u003e78% more cooling surface area and volume than stock\u003c\/li\u003e\n  \u003cli\u003e100% TIG welded and pressure tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Dinan dnnD780-0002 high-performance heat exchanger is designed for select BMW F2x and F3x chassis applications. Its 48 mm thick Dinan core provides 78% more heat transfer surface area and volume than the 27 mm thick OEM cooler, increasing cooling capacity for repeated performance driving.\u003c\/p\u003e\u003cp\u003eThe enlarged core uses unique L-shaped end tanks that add thermal mass, helping the system absorb, store, and release heat more effectively. Testing recorded an average 8°F reduction in intake air temperatures, with reductions of up to 15°F over 15 successive wide-open-throttle pulls. This helps reduce the tendency to heat soak or enter limp mode.\u003c\/p\u003e\u003cp\u003eThe heat exchanger is 100% TIG welded and pressure tested. Installation hardware is included, including xDrive-specific transmission oil cooler brackets. Due to the enlarged core and L-shaped end tanks, minor modification to the plastic core stack shroud may be required on some factory configurations, particularly vehicles equipped with the optional OEM hot-climate heat exchanger. Consult the installation documentation for complete details.\u003c\/p\u003e\u003cp\u003eFitment includes select 2016-2017 BMW 340i, 340i xDrive, M240i, M240i xDrive, 230i, 230i xDrive, 330i, and 330i xDrive applications. The listed chassis coverage includes F22, F23, F30, F31, F32, F33, F34, and F36.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne Dinan high-performance heat exchanger and installation hardware, including xDrive-specific transmission oil cooler brackets.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCooling Performance: Delivers an average 8°F reduction in intake air temperatures, with up to a 15°F reduction recorded over 15 successive wide-open-throttle pulls.\u003c\/li\u003e\n\u003cli\u003eIncreased Core Capacity: Uses a 48 mm thick Dinan core compared with the 27 mm thick OEM cooler.\u003c\/li\u003e\n\u003cli\u003eExpanded Heat Transfer Area: Provides 78% more cooling surface area and volume than the stock cooler.\u003c\/li\u003e\n\u003cli\u003eHeat-Soak Reduction: Helps reduce the tendency to heat soak or enter limp mode during repeated performance driving.\u003c\/li\u003e\n\u003cli\u003eConstruction: Features 100% TIG-welded construction and pressure testing.\u003c\/li\u003e\n\u003cli\u003eEnd-Tank Design: Unique L-shaped end tanks contribute to increased thermal mass.\u003c\/li\u003e\n\u003cli\u003eInstallation Hardware: Includes installation hardware and xDrive-specific transmission oil cooler brackets.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits select BMW F22, F23, F30, F31, F32, F33, F34, and F36 chassis applications, including listed 2016-2017 340i, 340i xDrive, M240i, M240i xDrive, 230i, 230i xDrive, 330i, and 330i xDrive models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2016 BMW 340i Base\u003cbr\u003e\n2016 BMW 340i xDrive Base\u003cbr\u003e\n2017 BMW 230i Base\u003cbr\u003e\n2017 BMW 230i xDrive Base\u003cbr\u003e\n2017 BMW 330i Base\u003cbr\u003e\n2017 BMW 330i GT xDrive Base\u003cbr\u003e\n2017 BMW 330i xDrive Base\u003cbr\u003e\n2017 BMW 340i Base\u003cbr\u003e\n2017 BMW 340i GT xDrive Base\u003cbr\u003e\n2017 BMW 340i xDrive Base\u003cbr\u003e\n2017 BMW 430i Base\u003cbr\u003e\n2017 BMW 430i Gran Coupe Base\u003cbr\u003e\n2017 BMW 430i xDrive Base\u003cbr\u003e\n2017 BMW 430i xDrive Gran Coupe Base\u003cbr\u003e\n2017 BMW 440i Base\u003cbr\u003e\n2017 BMW 440i Gran Coupe Base\u003cbr\u003e\n2017 BMW 440i xDrive Base\u003cbr\u003e\n2017 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2017 BMW M240i Base\u003cbr\u003e\n2017 BMW M240i xDrive Base\u003cbr\u003e\n2018 BMW 230i Base\u003cbr\u003e\n2018 BMW 230i xDrive Base\u003cbr\u003e\n2018 BMW 330i Base\u003cbr\u003e\n2018 BMW 330i GT xDrive Base\u003cbr\u003e\n2018 BMW 330i xDrive Base\u003cbr\u003e\n2018 BMW 340i Base\u003cbr\u003e\n2018 BMW 340i GT xDrive Base\u003cbr\u003e\n2018 BMW 340i xDrive Base\u003cbr\u003e\n2018 BMW 430i Base\u003cbr\u003e\n2018 BMW 430i Gran Coupe Base\u003cbr\u003e\n2018 BMW 430i xDrive Base\u003cbr\u003e\n2018 BMW 430i xDrive Gran Coupe Base\u003cbr\u003e\n2018 BMW 440i Base\u003cbr\u003e\n2018 BMW 440i Gran Coupe Base\u003cbr\u003e\n2018 BMW 440i xDrive Base\u003cbr\u003e\n2018 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2018 BMW M240i Base\u003cbr\u003e\n2018 BMW M240i xDrive Base\u003cbr\u003e\n2019 BMW 230i Base\u003cbr\u003e\n2019 BMW 230i xDrive Base\u003cbr\u003e\n2019 BMW 330i GT xDrive Base\u003cbr\u003e\n2019 BMW 330i xDrive Base\u003cbr\u003e\n2019 BMW 340i GT xDrive Base\u003cbr\u003e\n2019 BMW 430i Base\u003cbr\u003e\n2019 BMW 430i Gran Coupe Base\u003cbr\u003e\n2019 BMW 430i xDrive Base\u003cbr\u003e\n2019 BMW 430i xDrive Gran Coupe Base\u003cbr\u003e\n2019 BMW 440i Base\u003cbr\u003e\n2019 BMW 440i Gran Coupe Base\u003cbr\u003e\n2019 BMW 440i xDrive Base\u003cbr\u003e\n2019 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2019 BMW M240i Base\u003cbr\u003e\n2019 BMW M240i xDrive Base\u003cbr\u003e\n2020 BMW 230i Base\u003cbr\u003e\n2020 BMW 230i xDrive Base\u003cbr\u003e\n2020 BMW 430i Base\u003cbr\u003e\n2020 BMW 430i Gran Coupe Base\u003cbr\u003e\n2020 BMW 430i xDrive Base\u003cbr\u003e\n2020 BMW 430i xDrive Gran Coupe Base\u003cbr\u003e\n2020 BMW 440i Base\u003cbr\u003e\n2020 BMW 440i Gran Coupe Base\u003cbr\u003e\n2020 BMW 440i xDrive Base\u003cbr\u003e\n2020 BMW 440i xDrive Gran Coupe Base\u003cbr\u003e\n2020 BMW M240i Base\u003cbr\u003e\n2020 BMW M240i xDrive Base\u003cbr\u003e\n2021 BMW 230i Base\u003cbr\u003e\n2021 BMW 230i xDrive Base\u003cbr\u003e\n2021 BMW M240i Base\u003cbr\u003e\n2021 BMW M240i xDrive Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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