Coolant leaking / Radiator hose replacement???

mamitchell35 · 09-17-2018, 01:44 PM

Hey everyone, I am pretty new to the forums so please bare with me. I have picked up ownership of my fathers' car and am trying to get a few things taken care of on it.

Had been driving and recently had to top-off my coolant levels, probably every 50 miles which was alarming. Check under hood and there is this hose completely disconnected now and engine smoking.

Was hoping some people here could help me diagnose the issue and find the route to the cheapest fix

Attaching a few pictures under the hood - what you'll see is the hose that is disconnected and where it's supposed to be connected to. What I'm looking for here is the exact issue I'd need to fix. New hose, new connector, or what?

Disconnected hose:

Where hose is supposed to connect:

Higher vantage point of hose in questions:

ShadowisE · 09-29-2018, 12:29 PM

I'm a bit late and also new to the whole n54 scene, but from the bit of research I've been doing to prepare for an OFHG leak I've ran across some resources that might help you.

The fifth edit at the top of this post looks related to what you're running into https://www.e90post.com/forums/showthread.php?t=791674. There's a little more info in this thread https://www.e90post.com/forums/showthread.php?t=1167668.

If I'm correct, the part number you're looking for is 11537541992

triax37 · 10-08-2018, 09:27 PM

I can confirm that is the right part number and hose.

09-17-2018, 01:44 PM	#1
mamitchell35 Registered 0 Rep 2 Posts Drives: 2009 BMW 335i Join Date: Sep 2018 Location: North Carolina iTrader: (0)	Coolant leaking / Radiator hose replacement??? Hey everyone, I am pretty new to the forums so please bare with me. I have picked up ownership of my fathers' car and am trying to get a few things taken care of on it. Had been driving and recently had to top-off my coolant levels, probably every 50 miles which was alarming. Check under hood and there is this hose completely disconnected now and engine smoking. Was hoping some people here could help me diagnose the issue and find the route to the cheapest fix Attaching a few pictures under the hood - what you'll see is the hose that is disconnected and where it's supposed to be connected to. What I'm looking for here is the exact issue I'd need to fix. New hose, new connector, or what? Disconnected hose: Where hose is supposed to connect: Higher vantage point of hose in questions:
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09-29-2018, 12:29 PM	#2
ShadowisE Registered 0 Rep 2 Posts Drives: 2011 335is Join Date: Aug 2018 Location: Waukesha, WI iTrader: (0)	I'm a bit late and also new to the whole n54 scene, but from the bit of research I've been doing to prepare for an OFHG leak I've ran across some resources that might help you. The fifth edit at the top of this post looks related to what you're running into https://www.e90post.com/forums/showthread.php?t=791674. There's a little more info in this thread https://www.e90post.com/forums/showthread.php?t=1167668. If I'm correct, the part number you're looking for is 11537541992 Last edited by ShadowisE; 09-29-2018 at 12:46 PM..
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10-08-2018, 09:27 PM	#3
triax37 First Lieutenant 130 Rep 312 Posts Drives: 2017 F31, 2014 F15, 2002 M3 Join Date: Oct 2016 Location: Denver, CO iTrader: (1)	I can confirm that is the right part number and hose.
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