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Title should say LPG L322...

Chaps, Our 4.4 (BMW) RR has a BRC multi point LPG kit fitted to it. Whilst getting a couple of cooling problems sorted (viscous coupling and header tank) the local indy said that he sees no end of issues with LPG on the L322, cracked blocks and the like and he'd never run on it. What's the...

It has an LPG coversion, I'm just wondering if the vapouriser is pressurising the system?

Chaps, Having a bit of a nightmare with the RR - the coolant system seems to be over pressurising but not over heating. Today the expansion tank blew (split along the side), a couple of weeks back it was the top hose. There's no white gunk in the oil but I'm wondering is the engine is...

Top tip ta! Tried it and I can stop the fan - in fact I can spin it quite freely in the opposite direction :(

All, After half an hour of idling the fan seemed to spin very freely, I know the couplings can fail by locking up, but can they also fail by not engaging as well? Thoughts welcome :)

Well, changed the sensor and it made no difference. Took it for a short drive and within a mile all was well and it's behaved since, very odd! I had it idling for about half a hour and it stayed at a steady temp and the top hose stayed 'pinchable' and wasn't over pressurising. I did notice...

It's an odd one - this morning ignition on, it pauses on cold then off the scale. Let it run for a few minutes and then it'll pause on warm and then off the scale. It's sensing the correct temp and then going silly. For 12 quid a new sensor is a sensible place to start, it just seems so very odd.

Tried this now, no joy. Interestingly the needle pauses exactly where I'd expect it to after having been cooling for a while after it's been running for a minute or two. Something is causing it to go silly, grrr!!

That said, I can see water moving in the expension tank with the engine running...

I ran the engine for a couple of seconds just in case it was an air lock that needed to be moved - no joy, but I think that would suggest the earth's are fine? Hmmmm, I wonder if the pump's gone and it is an air lock around the temp sensor?

Hello all! This is my first post, please be gentle :) I've just changed the thermostat on my wifes 4.4 L322 with the BMW engine - it blew the top hose as the 'stat appeared to be jammed. There might be wider H/G issues but for now I have another problem... The temp gauge shoots past the...