Multiple Parts May be Recommended to Correct Coolant Loss on BMW 740iL

Problem Description and Possible Solution

Leaks are known to develop in the cooling system. It is common to see more than one part recommended for repair/replacement due to overlapping labor and the use of many plastic parts in the system.

Problem Data
RepairPal Verified
Average mileage: 146,596 (11,300–361,800)
9 model years affected: 1993, 1994, 1995, 1996, more1997, 1998, 1999, 2000, 2001
37 people reported this problem
Viewing 1 - 18 of 18 comments
coolant level is going down,,but it's not Leaking on the just started..very odd..
Coolant leak. Looking for leak and seems to be between firewall and rear of motor.
Antifreeze leaking between the engine and firewall
leak in cooling system. Hard to find. Continual smell of coolant. $5,000 later
The glycol leak is coming from the area where the PLASTIC overflow bottle is fastened with all plastic fasteners (joke) !!!

I need some advise please!!

Thank you
cooling leak rear hose between motor an fire wall
have had the BMW dealership replace everything but the radiator. Is there a recall on this problem with my BMW
when i turn heat on i smell coolant i dont see any leaks but goes somewhere into a pan
Coolant leak in Cooling Valve Aux Pump.
check coolent light kept going on .now coolent has all leaked out on my driveway and check engine light is on/
filler cap was replaced but it continued to loose coolant, engine runs smooth
Coolant leaks but not visible now coolant just poured out at stop smoked and hissing sound
Leaking from Engine coming Green Color bottom of the engine , Fan Belt Sound & Sound From Engine
Smoke started coming out of the tailpipe and the mechanic at Big A Service Center said it was due to an anti-freeze leak in the water pump. The AF goes to the pipes and that causes the white smoke.
Purchased used 2000 740 iL. Ended up with numerous collant leaks and electrical problems.
unit was woring and suddenly shut off, button for ac doesnt light up and recirculating air also ceased to function
Not fixed. "Air Breather" on top right of radiator leaks. The following failures have occurred since purchased new in 1999. Water pump. Alternator. Drive shaft U-joint. (not replaceable).
Windshield motor. Rear springs. Two window drive systems. Leaky valve gaskets. GPS system failed.
low coolant level