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BMW 3-Series (E90 E92) Forum
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Missed shifts - 6MT
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04-21-2008, 12:27 PM | #67 |
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I think I am missing something here:
Who the heck double clutch rev matches when accelerating down a 1/4 mile? This technique is for changing to a lower gear..........no? At least that's what I was taught and have been doing for years. |
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04-21-2008, 12:40 PM | #68 | |
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Ill have to give that a try! Thanks.
Quote:
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04-21-2008, 01:35 PM | #69 |
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i think its dumb that they put reverse gear right next to 1st. it should be next to 6th. when you are stopped, you only go into one of 2 gears - 1st or Reverse. Those gears should be seperated as far as possible. Also, gears 1-3 is where all the action happens and you don't want anything creating misshift opportunities. When you go into 5th or 6th you're just cruising, your not gonna misshift.
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04-21-2008, 01:52 PM | #70 | |
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04-21-2008, 03:03 PM | #71 |
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Sounds like you are getting too excited and you're feeling the pressure and just choking. Like missing a penalty shot you make every other time.
Like some one else said, being gentler with the shifter helps a lot. |
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04-21-2008, 04:22 PM | #72 | |
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Drives: 2007 BMW 335i coupe 6MT
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I had the same issue and BMW replaced my entire transmission. The dealer I purchased the vehicle from tried to say I was driving it too hard which made no sense. Never once missed a gear in my M3 so I knew it wasn't my driving. Brought the car to another dealer to an SA who autocrosses and he immediately blamed the synchro in second after driving it a few runs. Problem now is that the new transmission does the exact same thing. Its really annoying but I think the only solution is to granny shift these things. I'm bringing the car in next week though to see what they can do.......hopefully they can just fix the one gear.
Leftcoastman, take your car in and have a mechanic drive it and see what they say. NOTE: When you bring it in make sure you baby the car around for a bit before goin WOT and quick shifting it. Took me 3 visits to the dealer to realize that it wouldn't grind into second if you had been quick shifting several times consecutively before hand......it usually only happens when you go from normal daily driving to hard driving. Nope, I put one on the new tranny and it still does it. Quote:
Shouldn't have to granny shift these cars IMO
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04-21-2008, 09:34 PM | #73 |
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Its so embarrassing trying to take off quickly, and then grinding in second gear. My M coupe does the exact same damn thing that the 3 does.
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04-22-2008, 01:32 PM | #74 |
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Not sure if anyone else does this but out of habit, I always put the lever into 2nd before 1st in anticipation of a 1-2 shift when moving off.
Did this in the Esprit due to the soft synchros and it seemed to set the 2nd gear synchro and be a lot smoother. From my experience I get similar results in the BMW. Either way maybe higher quality gear oil may help with the 1-2 shift issue. |
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