Losing coolant from E30 M3

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   john

    i have the same problem with mine , but i only top up every other week , i could'nt find any leaks either ,sorry can't be of more help..

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grant w Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Really Senior Member II Joined: 26-February-2003 Location: United Kingdom Status: Offline Points: 558	Posted: 18-September-2003 at 21:56
	john i have the same problem with mine , but i only top up every other week , i could'nt find any leaks either ,sorry can't be of more help..
	www.redevom3.co.uk 1989 e30 m3 2.5 1996 e36 m3 evo , sold 2002 e46 m3 smg . 1991 Daihatsu 2.8 TD Work Horse Rust Never Sleeps . Tattooed Lady - Bearded Baby - there my family ..

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jon90 Members Profile Send Private Message Find Members Posts Add to Buddy List Really Senior Member II Joined: 11-January-2003 Location: United Kingdom Status: Offline Points: 653	Posted: 18-September-2003 at 21:48
	hi jon.have you had a good look around the water pump?apparently its a bit of a weak spot on our cars.Half a litre a week in a car you use every day is not going to be that obvious. also check to see if its seeping from the two halves of the radiator,when the engine is hot it evaporates away almost as quick as it leaks,so is easily overlooked as it just looks a bit damp. Cheers Jon

John W Members Profile Send Private Message Find Members Posts Add to Buddy List Really Senior Member II Joined: 01-November-2002 Location: United Kingdom Status: Offline Points: 630	Posted: 18-September-2003 at 21:06
	Lads, Recently my E30 M3 has started losing coolant to the tune of half a litre a week. The oil isn't emulsified, so I don't think my head gasket is shot. I've replaced the expansion tank and radiator cap and tightened all the hoses I can find (they're new) but it's still the same. I've flushed the system through and put in new anti-freeze. I wonder if it's the radiator or heater matrix? How would you proceed from here?