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Old 12-30-2004, 01:46 AM   #7
2nd Gear Member
Join Date: Mar 2004
Location: Cali/Van on vacation
Posts: 60
This is a common problem with the V8 engines in the 540/740s. It is either the radiator neck or expansion tank which WILL fail in the range of 38 to 80k miles (sorry). The prices for DIY have come down quite a bit from before. There will eventually be a aluminum radiator but it is still being developed. At least it was covered.

9-04 Mt. Hamilton
2000 740i Impala brown
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