03-23-2017, 02:13 PM | #67 |
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03-23-2017, 07:05 PM | #68 |
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Drives: Yo daddy's 2014 X3 M Sport
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I don't warm it up any particular way. Only according to what conditions call for. Sometimes that's soccer dad style, taking the kiddos to school, in which case it gets started when the little ones are getting seated and before I get into it. Usually I hear the exhaust valve close on my way around the car.
Other times, it gets warmed up while I drive it like I'm trying to reverse time itself. Leaving late for a meeting? Ah, the Bimmer can fix that! Overall, I'd say I drive it without much regard for the mechanicals. I've found most vehicles can't stand up very well to my (ab)use. But, if it breaks, I'll typically upgrade it. Even it that means engineering a new solution myself. I'm hoping to progress to vehicles that take well to a good romping, as long as they're well cared for otherwise. We'll see how this X3 fares. I've laid Mazda, Subarus, Nissans and VWs to rest in the past. I'm hoping having moved up the scale a little bit buys some longevity. Although I hear that water pump is a time bomb. |
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03-24-2017, 05:24 PM | #69 | |
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Try reading AFR at initial startup after the car sits overnight. It's set for rich mixture until warmed up for combustion and forces the cat to work overtime to deal with emissions. Nothing like the gas aroma in the morning to wake up the gearhead. |
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03-24-2017, 07:12 PM | #70 | |
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I believe it sits at 14.0 AFR.
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03-27-2019, 11:29 AM | #71 |
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We so rarely have anything resembling "cold" weather that I'm out of practice. Like most of you, I start, let the car's idle speed fall while I buckle up, take the parking brake off if need be, and get the radio onto my preferred station. I might also change the display on the iDrive. Then I drive "sanely," as someone above said, through the bad surfaces of my apartment complex parking lot until I reach the main 6-lane street.
After that I go: two miles at 45 mph or a bit more to the bridge, and everybody up there behaves as if they're in Grand Theft Auto, so I have to be ready to hustle. If the weather is really cold, below freezing, I'll give the car an extra 30 seconds or so. |
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03-28-2019, 09:23 AM | #73 |
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I enjoy the cold start for 30 seconds then limit to 3k RPM for the first few minutes of driving. Then I'll more or less simulate the old school M guages that gradually raise the RPM as the oil heats.
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04-12-2019, 07:26 PM | #75 | ||
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Quote:
Last edited by anh3; 04-12-2019 at 07:32 PM.. |
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04-12-2019, 10:30 PM | #76 |
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Those who think warming the engine before driving it have a valid point, because while the oil is still cold it doesn't flow as well as it does after it warms, which results in increased wear. But the engine and oil warm faster when it's being driven than when it sits at an idle, so it's best not to let the engine warm before driving it. That's why BMW says don't let it idle to warm up. It's also why BMW says not to wind the engine up until the engine does warm to the point that the oil is flowing well enough to do its job.
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