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Old 20th June 2018, 07:10 AM   #1
WillM3
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Default CSF Intercooler

I haven't been able to find an any in depth reviews of the CSF Intercooler for the M2 so will be documenting my thoughts here, in case anyone is looking to buy one.

Currently car has an Evolve Stage 2 on it with decat, so the IC is a nice addition.

I bought it off Evolve last week and as usual their service is faultless - the IC arrived in the post quickly.

In person is a massively bigger than the OEM unit and of very high quality. At least 3 times the size in terms of volume. It is both thicker and taller. The downside to this is it's weight which is c.11kg heavier than the OEM unit. This was a concern to me as it sits out front but it is of course mounted quite low which is a positive at least.

The IC was fitted yesterday and this evening I begin a 2,000 mile road trip in Europe. Initially I could've sworn the throttle response is slightly better but I've only done 2 miles on a cold engine so haven't got any proper insights yet.
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Old 20th June 2018, 08:26 AM   #2
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Will,

what dyno numbers did you get with Evolve stg2 prior to CSF IC install ?

Cheers

BP
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Old 20th June 2018, 10:06 AM   #3
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420hp and 455lbft at Evolve but take that with a pinch of salt as we had mapping issues.

I don't have an accurate figure of what the car produced once the mapping problems were cured (it was related to me having the latest software on the car back in January and the Evolve map at that time not being 100% compatible - perhaps Evolve can chime in on that one?)

In any case they fixed it remotely in a couple of days .

Speaking with Imran, he reckons with tune, DP and IC it should be 440/450hp but the key point is that will be consistent power rather than the car pulling timing which I could begin to feel before I had the IC installed after 6 or 7 hard pulls from roundabouts for example, especially when north of 20 degrees ambient.
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Old 3rd July 2018, 09:07 PM   #4
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After a 2,000 mile trip, I can confirm the CSF Intercooler is a worthwhile addition!

When I had it fitted, I wanted to see how much affect it had on power, throttle response and whether the increased weight out front would have an impact.

Power has definitely increased. No dyno numbers to speak of but Evolve suggested it would be around 20-30hp & lbft on top of the existing Stage 2 numbers. It certainly feels in that ballpark.

Throttle response seems unchanged. I could've sworn it's slightly more lazy when in Comfort but that could be as much to do with the high ambient temperatures (was always late 20/early 30s) rather than the IC.

The increased weight is noticeable if you look for it. However, if I didn't deliberately look for it, I doubt it would've been registered. Point is, it's minor. What I have noticed though is very slightly heavier steering which tbh is a welcome addition. It somehow feels more natural now (although I still don't rate the steering much).

All in all, I would recommend it. The IC also brings more consistent power, especially in those temperatures where before the car would've begun to pull timing due to IAT increases.
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Old 16th July 2018, 03:52 PM   #5
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Thanks for the feedback Will. Glad you are enjoying the car with the new addition. The CSF FMIC does work really well.
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Old 17th July 2018, 08:45 AM   #6
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Please delete
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Old 19th July 2018, 12:06 PM   #7
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Please delete
Why?
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Old 19th July 2018, 01:29 PM   #8
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Why?
Can't delete my own post for some reason !!!
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Old 24th July 2018, 05:49 PM   #9
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Quote:
Originally Posted by WillM3 View Post
After a 2,000 mile trip, I can confirm the CSF Intercooler is a worthwhile addition!

When I had it fitted, I wanted to see how much affect it had on power, throttle response and whether the increased weight out front would have an impact.

Power has definitely increased. No dyno numbers to speak of but Evolve suggested it would be around 20-30hp & lbft on top of the existing Stage 2 numbers. It certainly feels in that ballpark.

Throttle response seems unchanged. I could've sworn it's slightly more lazy when in Comfort but that could be as much to do with the high ambient temperatures (was always late 20/early 30s) rather than the IC.

The increased weight is noticeable if you look for it. However, if I didn't deliberately look for it, I doubt it would've been registered. Point is, it's minor. What I have noticed though is very slightly heavier steering which tbh is a welcome addition. It somehow feels more natural now (although I still don't rate the steering much).

All in all, I would recommend it. The IC also brings more consistent power, especially in those temperatures where before the car would've begun to pull timing due to IAT increases.
How much heavier than stock is this thing???
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Old 6th August 2018, 09:15 PM   #10
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Its 12kg heavier...
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Old 8th August 2018, 01:44 PM   #11
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12kg weight difference? That's not an intercooler; that's a heat sink!

That said, you believe you can feel a weight difference of less than one tenth of one percent? I'm politely rather skeptical about that.
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Old 8th August 2018, 08:51 PM   #12
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Its 12kg heavier...
Okay, just to check: “heavier” or “weighs”?

The latter seems reasonable, the former - not so much.

I would be surprised if you could notice the difference either way, unless you had put the rest of the car on an extreme diet, and then added this...
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Old 13th August 2018, 09:10 PM   #13
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It is heavier - weighs about 17kg in total from memory (that could be slightly off) but is certainly 12kg heavier than OEM.

For reference, the new aluminium engine in the RS3 is 20kg lighter than before and supposedly it is muchhhhh better at the front end...
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Old 14th August 2018, 07:01 AM   #14
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Weight aside for a minute, if your running stage 2 you need the IC period.

The difference going from the standard m2 to 430bhp is mega so wouldnt worry about a few Kilos
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Old 14th August 2018, 10:07 AM   #15
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Quote:
Originally Posted by WillM3 View Post
For reference, the new aluminium engine in the RS3 is 20kg lighter than before and supposedly it is muchhhhh better at the front end...
RS3 AWD and front biased weight dist'n ie 55-60:40-45, compared to near 50:50 of M2 - any weight loss at the front will help.

Also RS3 haldex AWD has more rearward biased these days - means front axle setup can be focussed more on steering/braking
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