W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Renntech upgrade anyone?

Old Jan 15, 2004 | 08:55 PM
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2004 E55
Renntech upgrade anyone?

Has anyone here done the Renntech chip/pulley upgrade for their W211 E55 yet?

Any thoughts?
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Old Jan 16, 2004 | 12:00 AM
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I believe Dr. Chill did. I am planning to do it as soon as I can talk my dealer into doing the install and standing by it.
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Old Jan 16, 2004 | 02:58 AM
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Who is your dealer?
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Old Jan 16, 2004 | 11:02 AM
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Keyes on Van Nuys. I have a friend who is a service advisor there and he is talking to the owner about having the dealership do renntech installs.
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Old Jan 16, 2004 | 01:00 PM
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Does anyone know if you need to send in your ECU or is it on an exchange basis?
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Old Jan 16, 2004 | 06:29 PM
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The ECU on a benz is tied to the VIN, no mix and match as far as I am aware.
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Old Jan 16, 2004 | 06:49 PM
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Done that,a little improvement in performance.
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Old Jan 16, 2004 | 06:55 PM
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Originally posted by absent
Done that,a little improvement in performance.
absent
Are you suggesting there isn't a big difference after the Renntech upgrade? After my , non-Renntech, upgrade the improvement in midrange is astonishing.
maybe the initial thrill has worn off and you are used to it now?
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Old Jan 16, 2004 | 06:58 PM
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I guess what I'm wondering is, is it worth the money?
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Old Jan 16, 2004 | 07:06 PM
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t-bone
I can't comment on the renntech upgrade specifically, you may also want to talk to Evosport, I think when they release their product it may produce more power, but a pulley kit is well worth the money, however i just loggd onto Renntech's web site. $5K USD , I bet it doesn't even include fitting. They are on drugs.

I can organise a complete kit for under $3K, or as I suggested talk to Evosport, you will get far better value for money.
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Old Jan 17, 2004 | 05:11 PM
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The ECU is definitely worth it,if only for the governor removal.
1/4 mile dropped from 12.4(best) to 12.2.
In a turbo car these kinds of mods make much more sense and are way more satisfying.
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