BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - Northwest > Crank but no start ONLY when hot OUTSIDE 80F

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      09-01-2018, 10:14 PM   #1
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Drives: 2011 335i XDrive
Join Date: Oct 2017
Location: Tacoma, Wa

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Crank but no start ONLY when hot OUTSIDE 80F

Ok, so I have a 2011 335i Xdrive N55. I have been running into the issue of coming out from work on hot days (hot for Washington state, about 80F give or take) and going to start my car and it JUST cranks then I get 5 malfunctions always the same ones. "AWD and DSC malfunction!, Malfunction in transmission, DBC malfunction! Drive carefully, Start-off assistance inactive!, Fuel pump!" I have added a pic of my idrive showing these issues. HOWEVER, as soon as the temp from the days goes down the car starts right up and has absolutely 0 issues like none what so ever. The car starts just fine in the mornings, at night. Any time the weather is cool purrs like a kitten. I replaced both k6300 relays. I have swapped out the battery and had it programmed. I have tried reading codes (none). This is driving me crazy. I have only had the car for 11 months. I could really use some help.
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      09-11-2018, 12:31 AM   #2
DaanBMW's Avatar

Drives: 2007 328i coupe
Join Date: Jun 2011
Location: Portland, OR

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try another MAF ? I'd still be surprised though...

the electronic brains of bimmers get reeeeally shitty with age. I know firsthand
328i Sports Pkg, Michelin PSS on Staggered 18" OZ Ultraleggeras
. BMS Powerbox. Cyba scoops + Rev motoring intake hose + charcoal delete. Wavetrac LSD
. M3: subframe bushings + sways + control arms (fr & rr). Meyle rear toe arms. M3 diff fr bushings
. BMW Perf: v2 springs + v1 dampers. Valeo SMFW+clutch. 034 MotorSport engine mounts
. Short Shifter + Turner PU bearing + ECS Teflon bushings + ZHP M weighted shift knob. CDV delete
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