"Pushing it"
06-04-2013, 06:41 PM
#1
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My Ride: 2008 528i
"Pushing it"
I have a 2008 528i
What do you all consider "pushing it".
RPM wise? 5k 6k?
How often do you "punch it" or Run it around 5-6k?
What about speed wise?
Thanks in advance for all the responses.
What do you all consider "pushing it".
RPM wise? 5k 6k?
How often do you "punch it" or Run it around 5-6k?
What about speed wise?
Thanks in advance for all the responses.
06-04-2013, 07:18 PM
#2
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The gas pedal wouldn't go to the floor unless it was designed to. And it's a sad day when I don't bounce it off the rev-limiter at least once. That said, the turbo motor is quicker short-shifted. NA motors need to be wrung out to achieve best acceleration.
06-05-2013, 06:36 PM
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My Ride: 04 545i - Titanium Silver/Black, Sport pkg, Comfort Seats w/ Lumbar, Premium Sound, power rear sunshade, Adaptive Xenon Headlights, Steptronic, Park Distance Control, Fold down rear seats w/ski bag, Aux jack, 6-disk changer, puddle lamps...
Engine: Custom Remus cat-back exhaust w/chrome square tips, K&N Air Filter, Charcoal Filter Removed, Sprint Booster :-), 50/50 mix of 91+100 Octane, EuroRev ECU Remap (coming soon lol), Dinan High-Flow Throttle Body (coming soon...maybe lol)
Interior: Portable Sirius Stilletto 100 w/car kit, Garmin Nuvi 680 mounted below rear-view mirror, LCI-style I-drive knob, Dark Poplar Center Dashboard Trim.
Exterior: E60 forum clings, 5% rear tint, ACS roof spoiler (painted black for distinct look against limo tint), ACS trunk spoiler, ACS add-on front spoiler and rear apron (awaiting installation), "18 Black Staggered BeBeS Style OER (emergency replacement for cracked sport 124 rims), black kidney grill, white accessory lighting (including license and trunk lamps), Angel-eye upgrade, AIB xenon-matched fog lamps, AIB V3's on order, red rear reflectors
Been smashing the peddle happily for 7 years. Have a 195K miles...a truism here - if BMW's engineers didn't stop the revs at 5 to 6, you'll be just fine hitting them. Beyond that there is rapidly diminishing returns on power output - lotta noise, little progression. Autos will shift at their preset rpm limits to prevent damage. And if the tranny just didn't listen, the DME killing the fun will. Enjoy your ride - it's a high-performance driving machine designed for limits most drivers will never see.
06-06-2013, 03:11 PM
#7
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A car is moved forward by torque, not horsepower.
This curve for the 550i shows that torque peaks around 3500 RPM. Running the RPM higher will not increase torque output.
Running the RPM higher does have the advantage that as the transmission is shifted to the next gear and RPM drops, the engine is still at a good point in the torque curve.
This graph clearly shows why the BMW V8s are so much fun to drive. 80% of maximum torque is available from 1500 to 6000 RPM. The engine is ready to pull all the time.
This curve for the 550i shows that torque peaks around 3500 RPM. Running the RPM higher will not increase torque output.
Running the RPM higher does have the advantage that as the transmission is shifted to the next gear and RPM drops, the engine is still at a good point in the torque curve.
This graph clearly shows why the BMW V8s are so much fun to drive. 80% of maximum torque is available from 1500 to 6000 RPM. The engine is ready to pull all the time.
06-07-2013, 02:52 PM
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My Ride: BMW 550i M Sport
Model Year: 2010
Engine: 4.8L V8
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