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Old 03-13-2019, 10:24 PM
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Question BMW mechanic

by chance is there ANYBODY on here who knows the BMW 335i N55 turbo motor well? my son against my judgement went out and bought a used one then did some simple mods and then after a few weeks started having issues oh and im in the DFW area actually on the east side of Dallas
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Old 03-14-2019, 06:21 PM
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AFAIK they need tuning for most mods unless he stuck with a package type deal. What kind of issues is he having?
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Old 03-15-2019, 02:51 PM
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Leave it broken or he'll never learn his lesson. BMWs suck.
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Old 03-15-2019, 06:44 PM
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Originally Posted by codyvette View Post
Leave it broken or he'll never learn his lesson. BMWs suck.
lmao I agree but we need to get it running right so he can trade it in lol and he installed an upgraded 7" intercooler and charge pipe along with a CAI but then he did some tune that the Bimmer guys download on an Android something called a stage 1+ burble tune and at first it was good but after about a week or so problems... check engine light comes on and the car goes into limp mode and it isn't getting into boost so he took it to a BMW dealership and they said it has a boost leak from an improper intercooler install and we were like really? that's going to be your answer which we knew was BS then they magically say it was going to cost $2500-$5000 to fix we were like no thanks so it drives normally just cant get into boost at WOT so I suggested he go back and either retune it or put the tune back to stock so we can get rid of it lol
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Old 03-18-2019, 06:22 PM
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Sounds like they quoted you flag rate to remove this, remove that, drain something, replace the whatsit, calibrate the doodad, then reassemble with brand new everything.
Really gonna suck if BMW already flagged the VIN as modified (one of the first things they scan for at the dealers). One of many reasons I shouldn't own a BMW.

If you're unfamiliar with boost, leaks are a real thing. Quick tip, a little hairspray works wonders holding silicone couplers on polished tubing ends. To assist removal spray rubbing alcohol in the seal to re-wet the hairspray glue stuff.
If you decide to try again, find a reputable local tuner OR follow the juice box. Close friend had zero problems with the juice box.
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Old 03-18-2019, 08:43 PM
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Originally Posted by imma_stocker View Post
Sounds like they quoted you flag rate to remove this, remove that, drain something, replace the whatsit, calibrate the doodad, then reassemble with brand new everything.
Really gonna suck if BMW already flagged the VIN as modified (one of the first things they scan for at the dealers). One of many reasons I shouldn't own a BMW.

If you're unfamiliar with boost, leaks are a real thing. Quick tip, a little hairspray works wonders holding silicone couplers on polished tubing ends. To assist removal spray rubbing alcohol in the seal to re-wet the hairspray glue stuff.
If you decide to try again, find a reputable local tuner OR follow the juice box. Close friend had zero problems with the juice box.
yeah I agree and we knew that was going happen but we thought we give it a shot lol so anyway he got it back and what I told him was to remove the Burble tune (whatever that is) and now it runs better and he has a better understanding of the BMW BS and is going to trade it in as soon as he gets a good enough deal anyway thanks for the replys

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Old 03-19-2019, 09:41 AM
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Check out Bimmer Motor Specialist, they are in Coppell, 932 S Belt Line Rd, Coppell, TX 75019, I'm the business manager for Snap On Tools and I've been in almost every shop in DFW, these are stand up guys and know modded BMWs well.
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