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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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Old 06-15-2014, 03:30 PM
Robs914 Robs914 is offline
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Location: Sayville ny
 
Join Date: Jun 2014
Posts: 4
Mein Auto: 08 335i
08 335i yellow gear, 5th gear only, 4f84-82-81

Hey everyone, happy Father's Day. First time posting. I have an 08 335i with 80k. About a month ago was driving and as I was coming to a stop at a red light, transmission hard downshifted what felt like going into neutral. Yellow gear with explanation point light came on. When to take off from light and car would only drive in 5th gear so it would take off like I was riding the clutch in an automatic. When I shut car off and restarted it would be fine for a little while then happened again. Took it to personal mechanic that works for Mercedes and he got codes 4f84 4f82 4f81.. He said needs new tranny. I've been reading different forums and googling these like issues and malfunctions and I'm getting different opinions, most which is pointing to mechatornics sleeve or valve. Please PLEASE can someone give me thoughts or answers? Thanks in advance
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  #2  
Old 06-15-2014, 04:43 PM
beancooker beancooker is offline
Tonight? We make soap.
Location: Lacey, WA
 
Join Date: Dec 2007
Posts: 53
Mein Auto: 2011 328i Sedan
The codes you posted (I google searched them) seem to have to do with the clutch. If it's an automatic i am guessing it has a DCT (dual clutch transmission). Not sure if the clutch is replaceable in these. I would look to see if it is a replacement part and if so, start with that before replacing the whole transmission.
Contact a reputable transmission shop that has dealt with German cars, specifically BMWs. May be able to save some money.
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