12-03-2018, 04:12 PM | #1 |
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Temp Gauge
Hi, I been having a weird issue of fluctuating temp on my oil gauge lately, especially and usually when its cold (NYC) . Driving on the highway in a bit colder weather by oil temp would always go down below the 1/4 mark and go up and down as a I drive. I thought the thermostat was bad so I went and changed it, and still the same issue. When I turn the car off within 10 minutes the oil temp is almost down to the cold needle. Is this normal, any suggestions?
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12-03-2018, 08:45 PM | #2 | |
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You can also open up the secret menu on the dash and watch what the actual temps are. Mine seems to fluctuate more when it's in the 88*c - 94*c. It's almost as if you can sit there and watch it go up, then drops back down about 1/8" and vice versa.
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'13 Black Sapphire Metallic - BPM Stage 1 Tune - RPI Exhaust - KW HAS Kit - 12mm spacers all around- Carbon Fiber front lip - High Kick Trunk Spoiler - Rear Roof Spoiler - IND Kidney and Fender Grills - 20% Tint all around 50% Front Windshield - PPF
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12-04-2018, 10:32 AM | #4 |
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'13 Black Sapphire Metallic - BPM Stage 1 Tune - RPI Exhaust - KW HAS Kit - 12mm spacers all around- Carbon Fiber front lip - High Kick Trunk Spoiler - Rear Roof Spoiler - IND Kidney and Fender Grills - 20% Tint all around 50% Front Windshield - PPF
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12-04-2018, 03:07 PM | #5 |
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the way you described it makes perfect sense actually. I usually always leave it in sport + mode with D2 Shift, so it makes sense why the temp always seems to be lower. Now thinking of it when it is in eco, it does stay more consistent in the 1/4 mark. What a waste of a thermostat and 4-5 hours labor, should've post first! Lol
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12-04-2018, 05:18 PM | #6 | |
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'13 Black Sapphire Metallic - BPM Stage 1 Tune - RPI Exhaust - KW HAS Kit - 12mm spacers all around- Carbon Fiber front lip - High Kick Trunk Spoiler - Rear Roof Spoiler - IND Kidney and Fender Grills - 20% Tint all around 50% Front Windshield - PPF
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12-05-2018, 11:03 AM | #7 |
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Drives: 2000 M5, 2001 M5, 2013 M5 6MT
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My oil temp gauge acts similarly in the cold weather and depending on the style of driving (which makes sense). Once it heats up to the first mark, it will only cool back down about half way back to the 160 mark during light throttle highway cruising. I just assumed this was normal operation. There is a massive oil cooler on these cars, so if you're not pushing the engine hard and driving at a steady state, the temps should come down naturally. I'm not sure where on the gauge a minimum "warm engine" point would be, if there even is one. 160 isn't exactly cold either.
Edit to add: If I'm driving in traffic, the needle will come up to the first mark. Pretty much any other time it will sit slightly below the first mark. It's only on prolonged cruising in cold weather that it will drop. This tells me that general area on the gauge is normal operating temp. I don't think you can treat oil temp the same as coolant temp in terms of "running cold". |
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12-05-2018, 11:21 AM | #8 | |
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'13 Black Sapphire Metallic - BPM Stage 1 Tune - RPI Exhaust - KW HAS Kit - 12mm spacers all around- Carbon Fiber front lip - High Kick Trunk Spoiler - Rear Roof Spoiler - IND Kidney and Fender Grills - 20% Tint all around 50% Front Windshield - PPF
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12-19-2018, 12:25 AM | #9 |
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I also noticed the oil temp gauge fluctuating. More when it's cold out (50 degrees or lower) I thought it was odd but seems to be normal. It must have to do with the big oil cooler. On my old 550i it never fluctuated and ran closer to 100C according to the secret menu info.
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12-19-2018, 03:28 AM | #10 |
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Yeap the colder air will cool the oil more,where I live I have all the settings nearly always on comfort (poor roads) with the oil temp needle just above the first dot.
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