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Replace part numbers:
- 11537541992
- 11537544638
Fitment:
- N54 3.0L twin-turbo motors 335i, 335xi, 135i.
- N53 (3.0L non-turbo) 2006 - 2010 325i, 330i, 525i, 525xi, 528i, 528xi, 530i, 530xi.
- N52 X3
- N20 (2.0L turbo) Z4 2013 & up
- This fitting also fits the next generation N55 motors in all chassis.
Product Features:
This product is made from high strength aerospace aluminum.
Also, this product was designed to maximize the resistance to breakage, so that it will not fail.
The coolant flow path through the center of the fitting is optimized to maximize coolant flow.
There are no sharp corners on this fitting so that the coolant will not be disrupted as it passes through.
This product is a direct replacement for the plastic fitting on BMW PN 11537541992 and 11537544638.
This BMW PN consists of a 25mm (1.0") hose and a plastic fitting.
This hose runs from the coolant thermostat housing to the front of the head.
The plastic fitting on this hose is a known weak spot in the coolant system as it commonly cracks and leaks.
Fit for 3.0L twin-turbo N54 (3.0-litre twin turbo) motors 335i, 335xi, 135i and the N53 (3.0-litre non-turbo) 2006 - 2010 325i, 330i, 525i, 525xi, 528i, 528xi, 530i, 530xi and the N20 (2.0-litre turbo) Z4 2013-, and the N52 X3. This fitting also fits the next generation N55 motors in all chassis.
Jessica
Reviewed in the United States on June 14, 2024
The worst case scenario happened to me, I was out driving around and the plastic fitting decided I needed to call roadside assistance at 10pm.This new flange came in and it was a tight fit with the O ring. When I first tried to put it in, it wouldn’t go all the way in, but after I looked at everything, not all of the old fitting had been removed. There was still part of the fitting blocking the new fitting from sitting correctly. After fully removing the old fitting and cleaning things even more thoroughly, this installed in my N55 without any issues.
Paul
Reviewed in Australia on October 16, 2024
While this part may have fitted - I didn't end up using it as i felt it was below par in comparison to oem that came with the hose to the thermostate attached. The plastic felt a little sub par for an expensive engine and there was really nothing special about the clamp. I gave three stars because I felt it would work as described but also three stars because I would not have bought it if it had been offered to me in person at a shop when compared to the part I ended up purchasing that was produced to oem standards. I am sorry for the poor review but . . .
Deny
Reviewed in the United States on March 6, 2021
Lo utilicé para conectar la manguera en mi carro y le quedó estupendo y exacto. Gracias.
Kao s.
Reviewed in the United States on December 26, 2021
Will dis fit a 2007 bmw 328i
YJ
Reviewed in the United States on September 30, 2020
Fit great and design/material seems solid
Scott E. Semson
Reviewed in the United States on August 7, 2020
Made the repair quick and easy
scott baker
Reviewed in the United States on July 18, 2020
Good product
Dakota
Reviewed in the United States on January 14, 2020
Worked great and easy installation
Hong
Reviewed in the United States on November 11, 2019
Perfect fit for my 2008 e93 328i
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