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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Dinan Intercooler
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      09-10-2018, 12:17 PM   #1
s3ri3s1
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Dinan Intercooler

Talk about a beast of an intercooler. Wasn't too bad to install, but I did feel bad about cutting the brake ducts and bellypan. The only other mod I currently have is a Dinan sport tune (now turned to 4psi).
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      09-10-2018, 05:36 PM   #2
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Definitely looks the part. Try running some logs if you can and see how well it actually performs.
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      09-14-2018, 10:11 AM   #3
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Review? Change the way your car drives?
I have a dinan sport and notice a huge difference in how the car pulls with cooler weather. Makes me want to jump for an intercooler..
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      09-14-2018, 01:35 PM   #4
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Review? Change the way your car drives?
I have a dinan sport and notice a huge difference in how the car pulls with cooler weather. Makes me want to jump for an intercooler..
From my experience with an FMIC, you only notice it's there after back to back pulls. The first pull will feel the same with the intercooler as it did without, but the 3rd pull will feel weaker without the intercooler as opposed to with. I don't have the Dinan obviously, but I think that's a fairly generalizable statement across all FMICs.
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      09-16-2018, 11:20 AM   #5
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Review? Change the way your car drives?
I have a dinan sport and notice a huge difference in how the car pulls with cooler weather. Makes me want to jump for an intercooler..
I don't know if it is due to me reading about it (placebo effect) but the boost does seem to come on sooner. I believe there is a 25% less pressure drop across this IC vs the factory. So in other words, you would make 25% more psi for a given RPM
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      09-17-2018, 09:07 AM   #6
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Originally Posted by rjdnyy224 View Post
From my experience with an FMIC, you only notice it's there after back to back pulls. The first pull will feel the same with the intercooler as it did without, but the 3rd pull will feel weaker without the intercooler as opposed to with. I don't have the Dinan obviously, but I think that's a fairly generalizable statement across all FMICs.
All depends on the weather. If it's already cool outside, then you won't see anything big on the first pull between the two usually. Now if you swap out the FMIC in the middle of summer, your first pull will be much different. Just cruising around here with my ER, I can get to 120IAT but the moment I go WOT, she drops to 100 or under. Stock FMIC would've just soared to 140 and yanked timing like a MOFO.
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      09-17-2018, 09:30 AM   #7
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Originally Posted by BunkerJ View Post
All depends on the weather. If it's already cool outside, then you won't see anything big on the first pull between the two usually. Now if you swap out the FMIC in the middle of summer, your first pull will be much different. Just cruising around here with my ER, I can get to 120IAT but the moment I go WOT, she drops to 100 or under. Stock FMIC would've just soared to 140 and yanked timing like a MOFO.
Good point, it definitely depends on the weather.
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      09-17-2018, 10:10 AM   #8
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Just to give you all an idea, this was cruising on the highway at 80mph.
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      09-17-2018, 10:33 AM   #9
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Just to give you all an idea, this was cruising on the highway at 80mph.
What program did you use to gather that info?
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      09-17-2018, 10:35 AM   #10
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Torque Pro. I also let the car sit in 90 degree heat for about 20 mins. Temps pre intercooler were in the 122 range, and post intercooler were about 145. After driving less than 5 mins at 20-30mph (stop and go city), post temps were in the 120ish range.
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      09-17-2018, 10:37 AM   #11
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Originally Posted by s3ri3s1 View Post
Torque Pro. I also let the car sit in 90 degree heat for about 20 mins. Temps pre intercooler were in the 122 range, and post intercooler were about 145. After driving less than 5 mins at 20-30mph (stop and go city), post temps were in the 120ish range.
Gotcha, those seem like pretty good results
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      09-17-2018, 10:39 AM   #12
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Ya I wish I would have data logged with the factory IC
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      09-17-2018, 10:58 AM   #13
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Great and thanks for the info.
Seems like an aftermarket intercooler could really help my car, even though i only have a dinan sport.
Savannah summers are HOT....and my car feels soooo much slower when its 90+ degrees out.
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      09-17-2018, 10:59 AM   #14
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Ya the factory one isn't the most efficient ones.
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      09-17-2018, 11:44 AM   #15
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did you pick this up new?
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      09-17-2018, 11:59 AM   #16
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Yup, bought it from Turner when they had a 30% off sale
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      09-17-2018, 12:01 PM   #17
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Quote:
Originally Posted by madmortar View Post
Great and thanks for the info.
Seems like an aftermarket intercooler could really help my car, even though i only have a dinan sport.
Savannah summers are HOT....and my car feels soooo much slower when its 90+ degrees out.
Absolutely. An FMIC is a worthy upgrade even for a stock car, and even moreso for a tuned car.
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