Water Hose Fitting w/Clamp For BMW N54 N53 N52 335i 335xi 135i 325i 330i 525xi 528i 528xi 530i 530xi Replace#11537541992, 11537544638
Brand: Space-parts

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.

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.
There are no sharp corners on this fitting so that the coolant will not be disrupted as it passes through.
This product is made from high strength aerospace aluminum.
This product was designed to maximize the resistance to breakage, so that it will not fail
This product is a direct replacement for the plastic fitting on BMW PN 11537541992 and 11537544638.