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why do i need to upgrade the ic pump on my cl65?

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Old 11-18-2009, 04:13 PM
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why do i need to upgrade the ic pump on my cl65?
?
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Old 11-18-2009, 04:23 PM
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'14 E63S & '14 Audi SQ5
Originally Posted by 02cl55amg
?
The stock I/C Bosch pump is pretty lousy. Numerous 55K and V12TT owners have had failed I/C pumps (including myself). The "upgrade" is not for overall performance improvement....but actually for improved dependability. When the stock IC pump goes (it is a "when" rather than "if"), your IATs (intake air temperatures) soar and the cooling fluid is not moving from the heat exchanger to the intercooler cores. This causes the computer to pull timing and boost. Going to an aftermarket IC pump (i.e. Johnson CM30) helps ensure that your V12TT is on its game and not limping around...

Tom
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Old 11-18-2009, 04:36 PM
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thanks. where do i purchase one?
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Old 11-18-2009, 05:10 PM
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http://www.letmotorsports.com/mb.asp...0&category=all

I bought mine from LET Motorsports. You will also want the MB tech who installs it to set the pump to run all the time while the ignition is on.

Tom
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Old 11-18-2009, 05:28 PM
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This is the cheapest I've found - $145.
http://autoperformanceengineering.com/html/jabsco.html
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Old 11-18-2009, 07:41 PM
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CM30 is working good for me so far... its been 15k miles still running strong
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Old 11-19-2009, 03:28 AM
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Originally Posted by TMC M5
http://www.letmotorsports.com/mb.asp...0&category=all

I bought mine from LET Motorsports. You will also want the MB tech who installs it to set the pump to run all the time while the ignition is on.

Tom
Originally Posted by StarPower
This is the cheapest I've found - $145.
http://autoperformanceengineering.com/html/jabsco.html
thanks-12 or 24 volts? how long does it take to install or how much should i expect to pay for install?
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