C32 AMG, C55 AMG (W203) 2001 - 2007

IS the Cm30 really a better replacement?

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Old 09-21-2010, 12:10 AM
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2002 C32 AMG
IS the Cm30 really a better replacement?

I am completely lost here this is my first time changing this pump. I am confused about if this small CM30 is really a replacement for this hugh pump.??

Here are some pictures.

Old 09-21-2010, 12:13 PM
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From what I've read it is a strong more efficient pump that pumps more fluid..
Old 09-21-2010, 12:16 PM
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[QUOTE=doom239;4260156]I am completely lost here this is my first time changing this pump. I am confused about if this small CM30 is really a replacement for this hugh pump.??


So, are you asking if size does matter???


I don't know, BUT everyone (including myself) who has used the "lil Johnson" has had great success on the C32/E55. Sometimes its not the size of the waves, BUT the motion of the ocean
Old 09-21-2010, 01:43 PM
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[quote=Newzchspy;4260931]
Originally Posted by doom239
I am completely lost here this is my first time changing this pump. I am confused about if this small CM30 is really a replacement for this hugh pump.??


So, are you asking if size does matter???


I don't know, BUT everyone (including myself) who has used the "lil Johnson" has had great success on the C32/E55. Sometimes its not the size of the waves, BUT the motion of the ocean
lol yeah, just replace the damn thing it works great!!!
Old 09-21-2010, 02:31 PM
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a land yacht.
[QUOTE=Newzchspy;4260931]
Originally Posted by doom239
I am completely lost here this is my first time changing this pump. I am confused about if this small CM30 is really a replacement for this hugh pump.??


So, are you asking if size does matter???


I don't know, BUT everyone (including myself) who has used the "lil Johnson" has had great success on the C32/E55. Sometimes its not the size of the waves, BUT the motion of the ocean
hahahahahahahahahahahah
Old 09-21-2010, 04:25 PM
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Originally Posted by Newzchspy

So, are you asking if size does matter???


I don't know, BUT everyone (including myself) who has used the "lil Johnson" has had great success on the C32/E55. Sometimes its not the size of the waves, BUT the motion of the ocean
HAHAHAHA NICE!!!

Ok how did you guys mount the Bracket? Did you guys redrill the holes or did you guys use something else?
Old 09-21-2010, 05:54 PM
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Well, I think your answer is here:

https://mbworld.org/forums/w211-amg/301045-cm30-vs-oem-bosch-interesting-results.html

And if you need more flowthan that, you're just gonna need a BIGGER JOHNSON!
Old 09-21-2010, 06:05 PM
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Originally Posted by Gramma_Benz
Well, I think your answer is here:

https://mbworld.org/forums/w211-amg/301045-cm30-vs-oem-bosch-interesting-results.html

And if you need more flowthan that, you're just gonna need a BIGGER JOHNSON!
Good find Gramma!! So, empirically from the test ^ ^ ^ , the lil pump puts OUT the same as the big pump!! Its a no brainer to me to use the Johnson since it seems to fail a whole lot less than the Bosch. You can get a Bigger Johnson, BUT then there's other issues that will limit your flow anyway, so I say go with the CM30!! Maybe a lil Viagra in the coolant will help that issue!!

Last edited by Newzchspy; 09-21-2010 at 06:07 PM.
Old 09-21-2010, 06:18 PM
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Originally Posted by Gramma_Benz
Well, I think your answer is here:

https://mbworld.org/forums/w211-amg/301045-cm30-vs-oem-bosch-interesting-results.html

And if you need more flowthan that, you're just gonna need a BIGGER JOHNSON!
Although I just remembered, this thread is from THE E55 Forum, so maybe their OEM pump is larger than ours?
Old 09-21-2010, 06:32 PM
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[QUOTE=Gramma_Benz;4261554]Although I just remembered, this thread is from THE E55 Forum, so maybe their OEM pump is larger than ours?[/QUOTE]

Even better for the "Lil Johnson."

Point is, I'd have no fear (and I use it) in using the CM 30.
Old 09-22-2010, 01:24 AM
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I always thought the Johnson was bigger...
Old 09-22-2010, 01:51 AM
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Originally Posted by gt4awd
I always thought the Johnson was bigger...
Maybe just YOUR Johnson. LOL
Old 09-22-2010, 10:57 PM
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Won't argue with that... LMAO...

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