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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki |
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#1
12-05-2012, 01:14 PM
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hi
hi guys im new to all this how is everyone? i wondered if anyone can help me my 318i auto 2002 keeps running out of coolant and i dont know why please help
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#2
12-05-2012, 01:29 PM
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Possibilities:
One or more components failed/leaking (i.e., coolant reservoir, radiator, hoses, etc.) Cracked head Cracked block Failed head gasket Have the cooling system pressure-tested, and report back here.
__________________
 The road goes ever onward....(R.I.P. Jever) *Please support the Wounded Warrior Project*
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#3
12-05-2012, 03:09 PM
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MOST LIKELY cause is the coolant expansion tank is cracked and is leaking. This is a very common failure on your car. A lot of times it comes from overfilling the expansion tank, then after it pressurizes, it cracks around one of the hose fittings.
__________________
2011 328i Convertible : Mineral White; Oyster/Black Dakota Leather; Premium, Sport, Value; Sport Wheel w/paddles; Heated Front Seats; Satellite radio; HK Sound  2012 528i Sedan : Titanium Silver; Oyster/Black Dakota Leather; Anthracite Wood; Comfort Access; Side & Top View Cameras; Cold Weather, Premium; Technology;  2004 330ci : Titanium Silver; Gray Leather; Premium, Sport; Fold Down Rear Seats; Xenon Headlights; Navigation System; HK Sound  2001 X5, 2009 528i (retired)
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