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

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: 130,730 (123,461–138,000)
8 model years affected: 1993, 1994, 1995, 1997, more1998, 1999, 2000, 2001
15 people reported this problem
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I drive about 2 miles then stop and there's steam and water coming out on the top of the radiator next to the cap from a little screw next to it.