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thstone · 09-19-2016, 08:52 PM

An IMSB retrofit is really an insurance policy to mitigate the risk of a worst case scenario (because so few cars actually have a failure). If the failure rate was 80%, then every car would get the replacement, but at 1% failure, very few cars will actually get the replacement and some would argue that a $2000 investment to protect a $5000 engine is an awfully expensive insurance premium.

Everyone has a differing profile for risk so while you might view the IMS retrofit as a must-have (and value it accordingly), others might view it as a ridiculous waste of money (and value it accordingly). The bottom line is that there is no right answer - everyone is welcome to their own risk-comfort level.

With all of this being said, you can negotiate for any reason you like and the owner has the option to either negotiate or turn you down. Luckily, its still a free country. For now.

09-19-2016, 08:52 PM	#9
thstone Certified Boxster Addict Join Date: Nov 2010 Location: Los Angeles Posts: 7,669	An IMSB retrofit is really an insurance policy to mitigate the risk of a worst case scenario (because so few cars actually have a failure). If the failure rate was 80%, then every car would get the replacement, but at 1% failure, very few cars will actually get the replacement and some would argue that a $2000 investment to protect a $5000 engine is an awfully expensive insurance premium. Everyone has a differing profile for risk so while you might view the IMS retrofit as a must-have (and value it accordingly), others might view it as a ridiculous waste of money (and value it accordingly). The bottom line is that there is no right answer - everyone is welcome to their own risk-comfort level. With all of this being said, you can negotiate for any reason you like and the owner has the option to either negotiate or turn you down. Luckily, its still a free country. For now. __________________ 1999 996 C2 - sold - bought back - sold for more 1997 Spec Boxster BSR #254 1979 911 SC POC Licensed DE/TT Instructor Last edited by thstone; 09-19-2016 at 09:00 PM.