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Billet Aluminum Coolant Port Fitting Upgrade for BMW

Some of the biggest issues when owning this car can come from cooling system components. Even through years of improvement, the same failure is seen with the plastic fittings and adapters from years of hot to cold temperature fluctuation. The N54 engine sees failure at the plastic cylinder head outlet adapter connecting the cylinder head to the thermostat hose. The stock plastic adapter simply shears off at the end of the barbed fitting, creating a massive coolant leak.

Features:

【Perfect Replacement】The OE hose fitting is a known weak spot in the coolant system as it commonly cracks and leaks. Our upgraded water hose fitting is to replace the stock fitting with aluminum that will never wear out, crack or leak.

【Aircraft-grade 6061 Aluminum】Made of 6061 Billet Aluminum instead of plastic,which is durable and wear-resistant.

【Smooth Flow】There are no sharp corners on this fitting so that the coolant will not be disrupted as it passes through.

【Max Coolant Flow】Our aluminum fitting has a larger diameter than the OE part which improves the coolant flow and cooling performance.

【Easy to Install】Direct fitment with no modification, easy installation.

Item Specifics:

Type: Water Hose Fitting

Bottle Bracket Material: Billet aluminum

Surface Finish: Anodized

Item Included:

1x Billet Aluminum Coolant Port Flange Fitting

1x Heavy-duty o-ring

1x Clamp

Replaces part numbers: 11537649409, 11537605152, 11537603514, 11537598234, 11537592095, 11537591889, 11537585023, 11537584549, 11537581063, 11537580969, 11537578727, 11537566329, 11537560363, 11537552339, 11537550062, 11537545890, 11537541992，11 53 7 603 514

Applications:

For N54 3.0L twin-turbo motors 335i, 335xi, 135i and 1M

For N52/N53 (3.0L non-turbo) 2006 - 2010 325i, 330i, 525i, 525xi, 528i, 528xi, 530i, 530xi

For N20 (2.0L turbo) Z4 2013 & up

Note:

N55 engines require a slightly thinner o-ring to install.

If the O-ring needs to be replaced in the future, refer to replacement number 11537545278 (29x2.9mm).

Fitment:

For BMW 1 Series M 2011

For BMW 128i, 135i 2008 - 2013

For BMW135is 2013

For BMW 228i 2014 - 2016

For BMW 228i Xdrive 2015 to 2016

For Bmw 320i 2012 to 2018

For Bmw 320i Xdrive 2013 to 2018

For Bmw 323i 2006 to 2011

For Bmw 325i 2006

For Bmw 325xi 2006

For Bmw 328i 2007 to 2016

For Bmw 328i Gt Xdrive 2014 to 2016

For Bmw 328i Xdrive 2009 to 2016

For Bmw 328xi 2007 to 2008

For Bmw 330i 2006

For Bmw 330xi 2006

For Bmw 335i 2007 to 2015

For Bmw 335i Gt Xdrive 2014 to 2016

For Bmw 335i Xdrive 2009 to 2015

For Bmw 335is 2011 to 2013

For Bmw 335xi 2007 to 2008

For Bmw 428i 2014 to 2016

For Bmw 428i Gran Coupe 2015 to 2016

For Bmw 428i Xdrive 2014 to 2016

For Bmw 428i Xdrive Gran Coupe 2015 to 2016

For Bmw 435i 2014 to 2016

For Bmw 435i Gran Coupe 2015 to 2016

For Bmw 435i Xdrive 2014 to 2016

For Bmw 435i Xdrive Gran Coupe 2015 to 2016

For Bmw 520i 2014 to 2016

For Bmw 525i 2006 to 2007

For Bmw 525xi 2006 to 2007

For Bmw 528i 2008 to 2016

For Bmw 528i Xdrive 2009 to 2016

For Bmw 528xi 2008

For Bmw 530i 2006 to 2007

For Bmw 530xi 2006 to 2007

For Bmw 535i 2008

For Bmw 535i 2009 to 2017

For Bmw 535i Gt 2010 to 2017

For Bmw 535i Gt Xdrive 2011 to 2017

For Bmw 535i Xdrive 2009 to 2016

For Bmw 535xi 2008

For Bmw 640i 2012 to 2018

For Bmw 640i Gran Coupe 2013 to 2018

For Bmw 640i Xdrive 2014 to 2018

For Bmw 640i Xdrive Gran Coupe 2014 to 2019

For Bmw 740i 2011 to 2015

For Bmw 740li 2011 to 2015

For Bmw 740li Xdrive 2013 to 2015

For Bmw Activehybrid 3 2013 to 2015

For Bmw Activehybrid 5 2012 to 2016

For Bmw Activehybrid 7 2013 to 2015

For Bmw M2 2016 to 2019

For Bmw M235i 2014 to 2016

For Bmw M235i Xdrive 2015 to 2016

For Bmw X1 2012 to 2015

For Bmw X3 2007 to 2017

For Bmw X4 2015 to 2018

For Bmw X5 2007 to 2018

For Bmw X6 2008 to 2019

For Bmw Z4 2006 to 2016

Installation Tips:

Remove two 10mm bolts.

Remove the old fitting from the engine block. The O-ring needs to be removed as well as it may get stuck inside.

Clean the outlet on the engine block. Remove any remaining pieces from the coolant hose.

Install the new fitting. Lubricate the seal O-ring before installation. Tighten the two 10 mm bolts.

Slide the coolant hose on the outlet port. Tighten the clamp.

DISCLAIMER

Disclaimer: Topmaxmotor parts are not sponsored or endorsed by, or affiliated with the brands its parts fit, including Porsche, Subaru, Jaguar, BMW, Isuzu, Chrysler, Dodge, Jeep, Buick, Cadillac, Chevrolet, GMC, Volvo, Land Rover, Oldsmobile, Pontiac, Ford, Lincoln, Mercury, Acura, KIA, Nissan, Infiniti, International Harvester, Mitsubishi, Audi, Lexus, Toyota, Mazda, Volkswagen, Suzuki, Saab, Honda, Alfa Romeo, Saleen, Mercedes-Benz, Nash, Hummer, Freightliner, Datsun, Saturn, Turner, Geo, Lada, Fiat, Daihatsu, Opel, Vauxhall, Sabra, Tesla, Ram, Rover, Skoda, Healey, Mini, Smart, Scion, Renault, Seat, Peugeot, Merkur, Astra, Tucker, VW, Routan, Tiguan, Touareg, Jetta, Gti, Passat, Golf, Bosch, Denso, Holden, Chery, Mercedes Benz, Holden Special Vehicles, Hyundai, Trabant, Citro?n etc.

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On Apr 21, 2024 at 11:55:27 PDT, seller added the following information: