01-28-2019, 07:54 PM | #67 |
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In south florida I try to let it idle for a minute before slowly taking off and shifting before 3k RPM. On a recent trip to Tennessee I stayed in a cabin on a mountain in 30* temps and let it idle for about 15min. Needle still hadn't budged by the time I finally took off.
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01-29-2019, 03:48 AM | #68 | ||
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The reading of the complete sentence I quoted, gives the implied meaning. Not to sit around idling to get heat into the engine, whatever any individual interpretation of what "warm up" could be. Quote:
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01-29-2019, 04:32 AM | #69 | |
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01-29-2019, 07:11 AM | #70 | |
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IIRC that is a Getrag in the 335is. In my experience, Getrags are very stiff when cold and produce rattling/whine with some clicking noise when engaging the clutch; your location in Canada only compounds the problem. If the Getrag in your 335is is anything like the G280/5.50 and 5.51 in my E28 and E34, they are very finnicky with fluid selection, so if informed/experienced individuals are getting better results with Redline D6 ATF, it could be worth it. There will be noise and stiffness, but it might shorten the duration and severity of both. As for the threat question, on cold starts I crank the engine, let the rpms drop to the set idle speed (about 5-15 seconds depending on ambient temps) and then drive off. I want the transmission to get up to temps along with the engine and differential before proceeding to hit higher rpms. |
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01-29-2019, 07:19 AM | #71 | |
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01-29-2019, 08:18 AM | #72 | |
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Especially with these cold temperatures i dont like a rough 1->2 shift
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01-30-2019, 07:51 AM | #75 |
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I typically warm up my car during winter. Here's why.
Its typically quite cold in winter here. And it may have snowed overnight, meaning that there is snow and ice on all the glass surfaces. If I get in, start, and drive away from cold, I will absolutely find that the windshield cleaner fluid will freeze on the windshield, even though its rated for -45C and my X5 has a heated sprayer. Also, the back glass is likely still mostly or partially fogged over, obscuring visibility behind. Similarly, the windshield itself, side mirrors and side windows are likely to still have some ice outside and fogging inside - even if I have cleared them carefully with a good snow brush / scraper. Warming up the vehicle allows the engine to heat to the point where the HVAC system can blow air that is warm enough to warm the windshield which keeps windshield cleaner fluid from freezing, and to fully defog the windshield and side glasses. And for the rear defogger / mirror heating to properly clear those surfaces. I also take time to clear the snow off the roof; my snow brush telescopes so I can reach across the top of the X5. I've seen other SUV drivers who didn't do that stop suddenly, only to have the blanket of snow on the roof form an avalanche down over the windshield, completely blinding the (idiot) driver. As I've noted, I do see guys who don't bother to do any of this. In my view they are taking a big risk driving while trying to see through a partially obscured windshield and side windows. I don't want to be that guy. Should they be involved in an accident, they may incur additional legal liabilities if the other party can show that the other guy's windows were not cleared fully. Its also a good idea to take the time to brush off your headlights and brake lights at the rear, for obvious reasons. So. Warming up the car in winter is a safety measure that ensures that the driver has optimal visibility to drive. You also end up performing a full external inspection of the vehicle before driving, in the process. Safety first.
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01-30-2019, 11:07 AM | #76 | |
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Engine, transmission and diff’, etc., all warm quicker on the move. |
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01-30-2019, 11:57 AM | #77 |
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S63tu seems to take FOREVER to get up to temp. I leave it in Effecient mode and drive easy until it hits the mark.
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01-31-2019, 12:47 PM | #78 |
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I live in Chicago and the high today is around-15 ! I never have any problems turning on my car in the mornings but yesterday and today I hit the push start button a few times before it started. Is it ok to drive the car (2011 bmw 328i) in this temperatures? Will it effect the water pump ? I’m just curious what you guys think
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01-31-2019, 01:46 PM | #79 |
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Been doing same for years....summer or 40 below...and never bother with block heaters...I take it easy till warm....
There is a caveat, if the thing is covered in snow/ice, then yes...we let it warm up...and clear the thing once its started to melt. |
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02-01-2019, 09:44 PM | #81 |
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Never
Because im nearly late for work every morning lol |
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02-02-2019, 04:38 PM | #82 |
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^^
+1 Also, my exhaust is so fucking loud that I try to get out of my neighborhood as quickly as possible so my neighbors don't completely hate me. Basically start the car in 1st with the clutch in and immediately pull out of the garage and down the street. |
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02-03-2019, 03:43 AM | #84 |
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02-03-2019, 03:53 AM | #85 |
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02-03-2019, 02:50 PM | #86 |
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Yeah it's a super big block with alot of fluids to warm up, I love the s63tu lol.
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02-04-2019, 09:21 AM | #88 |
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As soon as the engine is started, I drive from the garage, exit said car to close garage door (I know, fail), then immediately redline the car constantly for the first 3 minutes to get all the fluids up to operating temp.
On the way home I do the same so all of the fluids stay hot. Park in the garage and hope my house doesn’t catch on fire. But seriously, I just drive moderately until the oil temps are within reason and get on it. |
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