08-18-2023, 01:12 AM | #1 |
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F10 M5 vs. Summer Heat
Hi All,
How are your F10 M5's handling the summer heat? July 2023 is the hottest month ever recorded. Places like California, Texas, Arizona, and part of Europe are ovens. My car has been living comfortably in the garage, away from the heat. When I do take it out once or twice a month, it does not skip a beat. I believe that my cooling modifications help a lot! I have done the following:
I have also heard great feedback from owners that have installed the Mishimoto Oil Cooler, which I might purchase myself. Any other mods you have done or would recommend? |
08-18-2023, 10:34 PM | #2 |
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My car is my daily driver, 25 mile commute each way. It's a mix of stop and go as well as interstate driving. Avg high is about 90 now in NC, we've had some mid 90's, and will be upper 90's next week. Car is stock other than high flow cats and a tune. Could probably use a coolant flush. It's handled the heat fine so far this summer.
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08-18-2023, 11:25 PM | #3 | |
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08-20-2023, 07:38 AM | #4 |
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Decat is probably the best anti heat mod you can do.
Im personally not driving the m5 in the summer. I take my truck instead. Im in Texas...☠ Make sure your turbo coolant pump is working and flowing strong! |
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08-20-2023, 08:08 AM | #5 | |
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Folks (Redline included) typically dont recommend using water wetter with a standard 50/50 coolant mix. My memory is you'd want 40% coolant at most. Which brings up another point: if you're in a location which never gets too cold, you could try a 30/70 coolant/water mix. Still good down to 5F and a decent jump in cooling capacity. Of course, ones car has to be maxing out the current capacity for it to make any difference. I'd be very surprised if that's happening on the street, even when it's 100 degrees. Happy to have someone who actually deals with that heat prove me wrong, though. |
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08-20-2023, 08:15 AM | #6 |
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The 4 micro hoses need checking if they are not leaking and if that multi connection plastic unit at the front of the engine is in good shape.
Last edited by M5Rick; 08-20-2023 at 09:42 AM.. |
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08-20-2023, 01:02 PM | #8 | |
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Unfortunately I couldn’t wrap them in exhaust wrap due to my exhaust being full titanium. It can crack due to the heat. |
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08-20-2023, 01:23 PM | #9 | |
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Based on their testing, it looks like 50/50 mix with waterwetter nets the same temperature as having water alone. You are right that a 30/70 coolant/water would be best, at least for the users in California and the lower half of US. |
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08-20-2023, 01:48 PM | #10 |
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Yes. after driving the car up to temperature you can take a mechanics stethoscope or a long screwdriver pressed to your ear and touch the pump. It should have a healthy hum sound like a fluid filled pump should(Not any loud buzzing sounds. imagine a fish tank pump). Then check the feed line to the turbos(the one on the drivers side) in the same manner. You should hear the same hum in the line along with the feeling of fluid movement.
My original pump started to have a loud buzz. i swapped it and the fluid flow felt alot stronger and quieter. |
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08-22-2023, 08:08 AM | #11 | |
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I'm trying to remember...did you do a DIY for this?
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Sakhir Orange F10 M5 | KW V3s | Dinan Swaybars | Turner Monoballs | Soul Exhaust | Mishimoto Oil Cooler
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08-22-2023, 10:25 AM | #12 |
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No, but Ive posted in several places about parts of it. I probably should have done a DIY considering there is so much confusion around draining and filling the cooling system.
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08-22-2023, 02:18 PM | #13 |
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Does anyone have turbo blankets? The ones that go around the turbo. Supposed to keep heat in the turbo and away from the engine components while keeping boost up.
Would that wear the turbos faster? |
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08-22-2023, 03:12 PM | #14 | |
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The Funk version is much more appealing, as its just the turbos and wraps (mostly) around them. However, it appears one then has to choose to either not use the standard metal shield that also goes over the cats, or cut said shield up so it fits with the blankets. Another tough sell. That said, you're catless so probably fine to just go without said shield, at least if your downpipe is coated or wrapped. Last edited by vafan13; 08-22-2023 at 03:23 PM.. |
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08-22-2023, 05:25 PM | #15 | |
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The Funk version around the turbo is the good design. You do have to make slight adjustments to the metal shield. My downpipes are not wrapped. I have a full titanium exhaust so it would crack under the heat if I had wrapped them. |
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