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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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  #26  
Old 09-16-2011, 08:18 PM
soulunderdog soulunderdog is offline
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Quote:
Originally Posted by richschneid View Post
The issue here is not whether or not the car is FULLY warmend up, it's when the tachometer tells you the recommended redline is up to 7000 rpm. This does not take very long. The BMW engineers are telling you when the engine is warm enough to rev the engine to 7000 rpm. Obviously, this happens BEFORE the car is FULLY warmed up. On a cold winter day in Pittsburgh after the car has been parked outside the tachometer usually indicates a recommended redline of 4500 rpm. It only takes a few minutes until the redline on the tach goes up to 7000 rpm. I'm sure it takes longer than that for the engine to fully warm up. Today when I started my car in my garage with the temperature around 70 degrees the tach indicated a redline of 7000 as soon as the engine started.

Just look at your tachometer. It will tell you the recommended redline. You do not have to guess and you do not have to look at the temperature gauge.
Thanks for the feedback. Checked today and tach had 7000 immediately upon start. Will be interesting to watch that as the temp drops in a month or so.
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  #27  
Old 09-17-2011, 10:12 PM
mjrdoc mjrdoc is offline
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I had that feature on my E60 display; the hash marks on the tach would move to higher RPMs as the engine warmed. On my F10 the hash marks are at 6500 RPMs and never move. I'm curious as to what other owners have on their displays.
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  #28  
Old 09-18-2011, 08:40 AM
tbod tbod is offline
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Speaking of RPM and the transmission shifting up for you...........Let's say I had DSC/traction 'OFF' and manually shifting (auto trans.). If I were in a drift (hypothetically of course), would the trans shift up by itself? That would suck.
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  #29  
Old 09-18-2011, 03:13 PM
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Jashley73 Jashley73 is offline
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Originally Posted by tbod View Post
Speaking of RPM and the transmission shifting up for you...........Let's say I had DSC/traction 'OFF' and manually shifting (auto trans.). If I were in a drift (hypothetically of course), would the trans shift up by itself? That would suck.
I would assume if you stay off the rev limiter during the drift it would stay in gear. I've try to spin from a dead stop in my E60, and it would go to the next gear pre- maturely. It would spin up to the 7,000 and go to 2nd, lose the power, and kill the spin. I would imagine transmission behavior is similar between the E60 and F10 cars. BUT, your 550 has 250+ more lb/ft of torque than my puny 528, so I 'd say you have enough power to keep the tires smoking.

Question: Do the (F10) 550's have a propped LSD or no?
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  #30  
Old 09-18-2011, 03:37 PM
Calgary Agent Calgary Agent is offline
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The torque curve drops off fairly steeply above 6K, I'd be upshifting as soon as the tach needle passes the 6K mark
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  #31  
Old 09-18-2011, 06:20 PM
richschneid richschneid is offline
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Quote:
Originally Posted by mjrdoc View Post
I had that feature on my E60 display; the hash marks on the tach would move to higher RPMs as the engine warmed. On my F10 the hash marks are at 6500 RPMs and never move. I'm curious as to what other owners have on their displays.
The redline is at 7000, the lighter marks are at 6500 and indicate a caution not to maintain the rpm above 6500 for long periods of time. 7000 is the max for brief periods of time, that's why it's called the redline.
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