07-30-2021, 11:05 AM | #1 |
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Top Mount Intercooler and Heat Exchanger
Hi, guys
During some of the the hotter track days these couple of months, I've noticed significant power drops at the of the 20 mins session. The car has BM3 OTS stage 2 tune, in the first 2-3 laps the power felt good and it slowly declines after that. In some cases the car felt like on stock boost at the end of the session. I really liked to know if aftermarket offers a solution to make the car go through a 20 min session without any heat soak? If so what brands combination are good options that are relatively inexpensive? |
07-30-2021, 11:15 AM | #2 | |
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Your best bang for the buck will likely be the heat-exchanger (larger surface area for heat dissipation), but adding the top mount will assist as well.
From a quality stand-point with proven data to back it up, Mishimoto all day. For what it's worth, I'd personally stay away from CSF as the owner of the company has made it quite clear that they're only concerned with sales figures as opposed to solid data or performance. Quote:
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07-30-2021, 04:16 PM | #3 |
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Front Heat exchanger first then evaluate the need for a top mount intercooler
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07-30-2021, 04:56 PM | #4 | |
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Yikes. Wont be buying a CSF...looks like wegner or mishimoto. I have a mishimoto oil cooler and felt it was top notch so their products and customer service have made me a repeat customer. |
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07-30-2021, 11:12 PM | #5 | ||
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07-31-2021, 09:57 AM | #6 | |
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I recommend you also check out the MAD package deal, it offers the best value in my opinion
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07-31-2021, 12:19 PM | #7 | ||
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07-31-2021, 12:24 PM | #8 |
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If money was not an issue I would go with what looks to be the best charge cooler out there, but it comes with a steep price. Bimmerworld by C&R looks like the best design hands down!
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07-31-2021, 12:30 PM | #9 |
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I've heard so much about it already, but 4K for just a intercooler is quite steep.
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07-31-2021, 12:44 PM | #10 |
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Hellokitty is right, get front heat exchanger and see if that works for you first. The stock charge cooler out performed many aftermarket company's but it can fail and leak, the down side of the oem charge cooler.
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07-31-2021, 12:59 PM | #11 | |
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Kies Motorsports has a decent amount of videos going over the installation of the major brands, and out of the three brands previously mentioned Mishimoto didn't require any drilling or modification during the install process. I was also really impressed by the quality and amount of R&D they put into their products, so for me it was a no brainer.
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08-01-2021, 12:50 AM | #12 | ||
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08-01-2021, 10:59 AM | #13 |
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I bought Koyorad and its a very nice unit, don't count them out.
https://shop.redline360.com/products...-2020-vh423704
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08-01-2021, 01:28 PM | #14 |
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+1 for Wagner Engineering.
To be totally honest they did have one batch of TMICs where a new employee added an extra weld to the front hose connection and blocking the hose from clipping (eff-ing DUH! Sorry Wagner…). We caught it here first, Mike@X-PH told Wagner, and also got our user a quick re-ship of a good new unit. +2 for Mike@X-PH. No they don't stock everything, nobody does, but Mike takes your back if you're not happy. Best prices…just ask! Zeeeeero BS and good advice. He earned those words.
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08-01-2021, 01:31 PM | #15 |
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I went with Dinan Heat exchanger.
They've been in the BMW game for a long time and price was fair. CSF would be my second choice. I'm sure Mishi is a good one too but I prefer not to have Japanese parts on a German car. That's just me tho |
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08-01-2021, 10:57 PM | #16 | |
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CSF is made in Indonesia.
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08-02-2021, 08:41 AM | #17 | |
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you can easily tell the difference by putting them next to each other, dont even have to install it
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08-02-2021, 10:28 PM | #18 |
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I just ordered a Wagner top mount then I think I will do the mishi heat exchanger as they have different fin density it front of the DCT cooler.
I was getting 140deg IATs on 90 deg track days. I should find out if it helps here in a few weeks.
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08-03-2021, 09:41 AM | #19 |
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08-04-2021, 04:04 PM | #20 | |
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I posted in class. but if anyone has any leads on one, please LMK! OP, swap the front, keep the top stock until alternative measures are proven necessary. Edit: CSF can lick a sweaty scrotum. Trash brand, trash ethics, mediocre products. |
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08-04-2021, 04:17 PM | #21 |
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If I ever get one, it will be this
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08-07-2021, 03:49 PM | #22 | |
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