Red-lining the engine. How much damage (if any) it does?
03-07-2007, 01:55 PM
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Originally Posted by uglybear' post='399847' date='Mar 7 2007, 10:50 PM
I have read somewhere that at redline life of the engine is about 20 hours. So 1 minute won't do much damage, but hours will.
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03-07-2007, 01:56 PM
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Originally Posted by hollywoodtrash' post='399845' date='Mar 7 2007, 02:48 PM
LOL no kidding.. As a matter a fact I was just telling VT how i blew out this STi the other night.. I redlined through first and second before letting off the gas.
I finally beat one of those damn things
I finally beat one of those damn things
03-07-2007, 02:02 PM
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2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
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MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
Originally Posted by uglybear' post='399847' date='Mar 7 2007, 02:50 PM
I have read somewhere that at redline life of the engine is about 20 hours. So 1 minute won't do much damage, but hours will. There is no reason for BMW to design engine that can run at the redline for days since sobody really does it. Life of engines in fighter jets and race cars is also very short.
03-07-2007, 02:07 PM
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Originally Posted by fraseman999' post='399857' date='Mar 7 2007, 11:05 PM
I always thought the car was fitted with a redline limiter. So as not to damage the engine.
But hey....
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03-07-2007, 02:07 PM
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Originally Posted by vegastrashed' post='399853' date='Mar 7 2007, 03:02 PM
I think I understand what you're saying. Keeping the engine near redline for long durations at a time will in effect lessen the lifespan of the engine. The short bursts of approaching redline adds up after awhile. Hmm... Maybe I shouldn't be taking my car to 6500 rpm so frequently.
03-07-2007, 02:18 PM
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Originally Posted by fraseman999' post='399857' date='Mar 7 2007, 03:05 PM
I always thought the car was fitted with a redline limiter. So as not to damage the engine.
03-07-2007, 02:18 PM
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
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Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
-----------------------------------------
2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston
Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
Originally Posted by hollywoodtrash' post='399860' date='Mar 7 2007, 03:07 PM
There is a solution to your problem my friend..
03-08-2007, 01:04 AM
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Originally Posted by SergeyM' post='399793' date='Mar 7 2007, 12:50 PM
my 2005 545 died at a young age of 14 month and 15,500 miles.
I honestly hit redline on a daily basis and multiple times per day at that. I've even held the car directly at redline in 2nd and 3rd gear for a few minutes at a time. Similar to your vette story, I've driven the car at or near redline, but for at least 4-5 hours and over 400 miles in one day. Currently I have over 40K+ miles and have had zero problems with the engine. I wasn't even that strict with the break-in guidelines.
03-08-2007, 03:00 AM
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Car manufactures send their engines off to labs for accelerated lifetime testing and to be tested at the maximum. A friend of mine works at one of these labs/companies and explained that the engine and interfacing compentents are then modified to handle it. BMW drivers are known for their "spirited" driving, so I would be very surprised if BMW had not designed and tested the cars to be able to handle be driven at least at the limits set in the factory (e.g. Rev Limiter and max speed limiter.)
This whole discussion is possible more relevant to the petrol engines, because there's little point taking your diesel all the way into the red, because the power curve starts dropping off a good 500-1000 before that.
This whole discussion is possible more relevant to the petrol engines, because there's little point taking your diesel all the way into the red, because the power curve starts dropping off a good 500-1000 before that.