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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 07-11-2011, 06:25 AM   #1 (permalink)
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strange crud formation

just noticed a strange formation of white crud round a hose,any ideas? is this potentially a problem? all help appreciated.
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Old 07-11-2011, 01:53 PM   #2 (permalink)
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Inside or outside the hose?
If outside, it maybe just weeping a little - try tightening...
If inside the hose then dig deeper mate, get the rocker off, look at the dipstick, lift the rad cap etc, etc...
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Old 07-11-2011, 04:31 PM   #3 (permalink)
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thanks Daz, its round the outside,a weep i suspect. dont think i have time to change it before sunday and my trip to sennelager.
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Old 07-11-2011, 11:57 PM   #4 (permalink)
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What is the relate background strange crud formation ????
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Old 07-12-2011, 02:18 PM   #5 (permalink)
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Originally Posted by jimmythepie View Post
thanks Daz, its round the outside,a weep i suspect. dont think i have time to change it before sunday and my trip to sennelager.
You have plenty of time... Remove the hose and clean the connection, put it back on LOL...
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Old 07-13-2011, 06:09 AM   #6 (permalink)
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the little bastard is hiding behind the rad and looks like a bitch to get at. been ok for the last few months whats another few k on it.
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Old 07-13-2011, 06:39 AM   #7 (permalink)
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Tightening it might be a little more difficult than it sounds, some of the main hoses on my cooling system are held on with an inbuilt spring clip that slides out of the hose-attachment interface. It might be worth a trip to the Parts shop to get a spare for the road. Nothing like being prepared. Its always easier to do this sort of work on your terms than on the side of the freeway/motorway/autobahn with hot coolant trying to remove the skin from your hands. But heck, if you are into that sort of thing, roll the dice and go unprepared.

Have you noticed any change in your coolant level recently?
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Old 07-13-2011, 12:58 PM   #8 (permalink)
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now you mention it,it does seem to lose a tad. also the thing is held on by a little spring thingy,will have another look at right away. You are correct,it should be easier doing it on my drive than autobahn side. mind you i have recovery with RAC.
Bet thats where my coolant has been slipping off too.Nice one Brettski.
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Old 07-14-2011, 03:30 AM   #9 (permalink)
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When you take the hose off, you might find that the internal oring is damaged, if you can source a suitable replacement it could save you the cost of the new hose.
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Old 07-14-2011, 05:13 AM   #10 (permalink)
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just been to a garage and they reckon its a possible thermostat housing problem,wtf, what do youreckon? no issues with temp or overheating,they reckon its a blowout from engine gas!possibly. i suspect its just a leaky pipe. Your thoughts please
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Old 07-14-2011, 05:37 AM   #11 (permalink)
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Check your engine oil to see if its showing any discoloration, and your coolant to see if its the normal color as well. I'd start with the simple stuff (the hose) and work from there.
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Old 07-14-2011, 06:39 AM   #12 (permalink)
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no sign of discolouration,coolant seems normal,the crud is formed round the thermo housing bit where the pipe joins it. The mech reckons coz the pressure in the other hoses is high when squeezed it is a sign that something is amiss. i still think its a leaky connection.am now looking for some one with a sniffer to tell me if there's fumes in the tank.
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Old 07-14-2011, 07:55 AM   #13 (permalink)
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I don't smell anything, but it might be worth a second opinion. I am sure Dabsy will have something worth listening to about this.
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Old 07-14-2011, 08:35 AM   #14 (permalink)
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no one with a sniffer can look at the car till next week,just have to wing it to europe.
(thats a coolant sniffer,detects hydrocarbons or something like that) Wheres Dabsy when you need him?

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Old 07-16-2011, 03:45 AM   #15 (permalink)
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crud still there,car still operating as per normal. Some say its a head gasket problem,but im on the ferry tomorrow at eight.With that bombshell il leave you.
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