M10 cooling issue
Moderator: martauto
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Snakesterr
- E30 Zone Newbie
- Posts: 1
- Joined: Sat Feb 06, 2021 9:10 am
My 84’ 318i doesn’t seem to be over heating (temp gauge says normal temp) but after running for a while the coolant hose that goes from the top of the engine to the thermostat is extremely expanded and looks like it’s about to pop. Anyone know why this might be happening? Old hose? Bad thermostat?
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martauto
- E30 Zone Team Member
- Posts: 6207
- Joined: Wed Aug 31, 2005 11:00 pm
- Location: leeds
Firstly........Welcome to the zone mate !!!
That does look a bit fat to say the least and I would change it anyway no matter what!.
Do that first (looks like you need to anyway) and see how it all looks then.
Oh by the way, car pics are mandatory for new guy`s. lol
Mart.
That does look a bit fat to say the least and I would change it anyway no matter what!.
Do that first (looks like you need to anyway) and see how it all looks then.
Oh by the way, car pics are mandatory for new guy`s. lol
Mart.
Only the E46 cab left now.
Just got too old.
Just got too old.
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BenHar
- E30 Zone Addict
- Posts: 3081
- Joined: Sun Jul 11, 2010 11:00 pm
- Location: Reigate, Surrey
Might be worth getting a new coolant cap from BMW too. They aren't that dear.
Ben
Ben
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BristolE30
- E30 Zone Regular
- Posts: 532
- Joined: Thu May 16, 2019 7:43 pm
- Location: Bristol
M10 don’t have the best cooling system in my experience. Probably best to change the pipe and thermostat
BMW E30 316 ‘87
BMW E30 325i ‘88
Bristol, UK
BMW E30 325i ‘88
Bristol, UK
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DanThe
- E30 Zone Team Member
- Posts: 28647
- Joined: Sat Sep 10, 2005 11:00 pm
- Location: Staffs
If that hose is considerably hotter than the others this could also be down to poor flow of coolant,