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on my bmw it has a tiptronic tranny, and when i put it in M mode, i used to redline thru all the gears =X when racing anyway.. and ive had the car for years, not 1 tranny problem.. ive even had it checked out b/c i thought i might have bad wear on the tranny.. everything on the tranny is great, but im not sure how lexus trannys are.. on bmw's they have alot of safety things on them, to avoid u from actually hurting the tranny.. if at any point u do something wrong with the tranny it goes into what the tech said 'safe mode' which is like 3rd gear, to avoid u from hurting the tranny.. hopefully lexus has something like bmws so u know when you've done wrong..
P.S. when this did happen, all u had to do was turn the car off, then turn it back on and the tranny would back to normal, if it did stay in safe mode, then u know its time to take it to the dealer so they can reset it & find out whats up
 

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that is a nice feature, I wonder if our car have it? BTW, do you feel that the steptronic react just a bit slow? Is that why you almost hit the redline? because that is the reason I redlined when test driving them.
Usually the redline in a car is set much lower than engine's absolute limit. Like my old Eclipse had a 7000 redline, but everyone knows you can go into 7500 without hurting the engine. I am sure if you just got into around 6500 to 7000, you are fine, but if you go any higher for a long time and do it often, then I may start to worry about long term affect.
 

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i usally redlined when i was racing, to keep the RPM's up & get that 'churp' when switching into gears.. and believe it or not, on bmw's that M is no joke.. i swear its like a manual.. being that i had performance parts on my bmw (AC Schnitzer) i knew when to change gears on the bmw without payin attention to the rpms.. but in the lexus forget it.. that car is so damn quiet i got to keep looking down to see what the hell im doin lol.. the 'e-shift' option on the lexus is alot different from bmw's tiptronic.. b/c on bmws you use the shifter to actually switch through gears like a stick car, but on the lexus, you use those e-shift buttons.. its going to take sometime to get used to, but im all for it
 

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hehehe i remember awhile back i was at a stop light and turned my trac off (i drive wit power on) and eshifted to second, was waiting for the light to changed and a cop pulled up at the corner right as it did, lets just say i was in second for awhile...

yesterday was planning to take my IS down to Palmdale to see the races, unfortunately as soon as we got like 30 miles within the city limits it started pouring like a mofo (and i had just washed my car the day before
) oh well, we got off the first exit we saw (agua dulce??) and waited out the rain and traffic, the rain lightened up and some friends tried to light up their tires to pass time...then it started raining again...on the way back it was pouring bad and the IS seemed pretty well composed at relaatively high speeds in wet weather, glad I got LSD though... and on the way back to the freeway from In & Out i was able to get the rear end loose WITH trac ON...hehehe that was fun.
 
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