Alpine white 335is build

UN54FE

New Member
Feb 28, 2022
7
14
0
Brooklyn, NY
Ride
BMW 335is
Hey guys, i’ve been snooping around in here for some years but since i’m building my own motor now, i’ve decided to create my own profile and thread for it. I have a alpine white on black bmw 335is.
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up until the motor gave out, the car was a simple build:
- fbo
- frankenturbos f21bi
- port injection/reflex +
- dual walbro 450’s
- full e85 24 psi
- tuned by pure evil

Now the motor blew in march of this year and i decided to build it with:
- cp pistons
- molnar rods
- king main/rod bearings
- billiam 11mm headstuds
- darton dry sleeves
- vulcan cooper ring head gasket
- built by fferacing in deer park LI
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I plan to keep the turbo setup the same for now and maybe next year do a custom twin g25-660 setup and upgrade the clutches just for the sake of being different (i know similar power will be achievable with a single turbo but the idea just seems fun to me). If anyone has any questions/suggestions feel free to comment please!
 

UN54FE

New Member
Feb 28, 2022
7
14
0
Brooklyn, NY
Ride
BMW 335is
Beautiful ride and the build sounds fantastic! Please do a custom twin g25-660 setup. That would be awesome.

Looking forward to more updates.
Thankyou! Im still trying to budget it all. Hopefully i can iron out the details and collect parts during the winter and have it completed by the end of next summer.
 
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UN54FE

New Member
Feb 28, 2022
7
14
0
Brooklyn, NY
Ride
BMW 335is
Update: i finished assembling & installing the motor and am currently doing the break in process while fixing all issues that come up along the way. So far i need sway bar end links, a new set of ignition coils, another low pressure fuel sensor, & driveshaft guibo & center support
 

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TheFixer

Sergeant
Aug 16, 2020
475
340
0
Tennessee
Ride
2008 535i
Nice looking build. Always feels so good plopping a fresh motor in. That first start is always exciting!

Are you using a break in oil?
 

UN54FE

New Member
Feb 28, 2022
7
14
0
Brooklyn, NY
Ride
BMW 335is
Nice looking build. Always feels so good plopping a fresh motor in. That first start is always exciting!

Are you using a break in oil?
Sorry for the late reply. No break in oil used here. Used conventional oil (15w50 as recommended by my builder) and changed the oil 10 mins after startup, then 50 miles, then 250 miles, then 500 miles, and today at 1500 miles.
 
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UN54FE

New Member
Feb 28, 2022
7
14
0
Brooklyn, NY
Ride
BMW 335is
Just an update guys, i’ve been driving the car, crossed 1500 miles today & Took the time to retorque the head studs.
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Also, im having an issue where the car breaks up pretty bad at anything over ~4500 rpm under load. The car has new ngk 97506 gapped to 0.020 and new eldor coil packs. Injectors have been flow tested and passed. This has truly been frustrating to track down because im shooting to crank these frankenturbos up to see how much i can squeeze out of them before moving on to my next setup and this is slowing the process down. Also im having an electrical issue where the car is throwing a ton of kcan communication faults. Ii’ve checked the battery, alternator, power cable, and every single kcan module. The dash is throwing every light and resetting itself constantly along with the idrive. No clue whats going on but im about to check the body wiring harness. I suspect maybe water got in the car for the few months that it sat and maybe the wires are damaged as a result. Fingers crossed guys!
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UN54FE

New Member
Feb 28, 2022
7
14
0
Brooklyn, NY
Ride
BMW 335is
Hope you figure it out! let me know what the cause of the misfire was. Also whose your tuner?
Its pretty cold in nyc these days and i may have come down with the flu, but when im over all of that i’ll update you guys with the fix. Right now i have 4 ideas of what it might be. Maybe one of the spark plugs porcelain is cracked internally and i cant see it, a faulty coil, possible injector bore has been ovaled, or the wiring harness could be acting erratic. I’ll go through it one by one and figure it out! Also im tuned by jason from pure evil tuning.
 
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