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Top mounts in CA

Discussion in 'N54' started by TheGoose, May 16, 2018.

  1. TheGoose

    TheGoose Lurker

    Messages:
    20
    Ride:
    2007 E92 335i
    Have talked to a few people who run bottom mount kits in CA. Wondering if anyone is running a top mount single turbo kit in CA and how it’s going for them with smog? Not as much worried about the visual. I know in other states you can get a top mount single kit to pass smog but CA is a bit more strict. Looking for some insight before I take the plunge and figure it out myself.
     
  2. dyezak

    dyezak Major

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    1,723
    Location:
    Plano TX
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    [​IMG]
     
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  3. veer90

    veer90 Lieutenant

    Messages:
    561
    Location:
    Rye, NY
    Ride:
    e90 335i 6MT
    register the car out of state, or know a smog guy. lol
     
  4. buster84

    buster84 Corporal

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    335 bmw xdrive
    Move to a better state. I was born in CA, moved to FL in 2015 and I'll never go back. My life has improved and its 100% better than in CA (my personal preference everyone else will vary), but I can do anything I want to my car (no smog) plus the cost of living, lower taxes and everything have made it to where I'll never go back to CA especially with there new political directions these days.
     
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  5. STE92

    STE92 Corporal

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    E92
    I live in CA have FL plates
     
  6. The Convert

    The Convert Lieutenant

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    California needs to secede already. Them, Oregon, and Washington.
     
  7. dyezak

    dyezak Major

    Messages:
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    Location:
    Plano TX
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    Hawaii is telling my crystal ball that Cali might be yanked into the great blue yonder in the near future anyhow.
     
  8. The Convert

    The Convert Lieutenant

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    That would be a better result at least.
     
  9. TheGoose

    TheGoose Lurker

    Messages:
    20
    Ride:
    2007 E92 335i
    Thanks everyone for the replies, Unfortunately registering the car out of state won't work for me. Moving is for sure a thought hahah. Thinking I'm just gonna go for it and see what happens. At the worst case I'll go pickup a stock motor and have it sit on a stand for every day out of the year, unless I get sent to a referee or can't pass smog.
     
  10. TheGoose

    TheGoose Lurker

    Messages:
    20
    Ride:
    2007 E92 335i
    Lol, I'm in the Bay so this would mean I'll be first to go
     
  11. buster84

    buster84 Corporal

    Messages:
    214
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    335 bmw xdrive
    Trust me you don't want to go to the referee that shit can be hell if you dont get someone cool. Why not just go to VTT in the bay area and check out his shop and look twin turbos? I'm not sure what other vendors are also in CA, but vtt definitely is and they always say to come see the shop and turbos in person, so seeing that your local it wouldn't hurt to take a peek. I have the GC turbos and I love the low end torque. If I was in California I would have definitely gone with twins. Dealing with smog on a single isn't worth the trouble.
     
  12. Seaneezy

    Seaneezy Private

    Messages:
    42
    Ride:
    e90 LCI 335i
    Couldn't you swap back in the oem turbos if you kept the parts to pass smog then reinstall the ST? Smog checks are good for 2 years in CA.
     
  13. buster84

    buster84 Corporal

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    335 bmw xdrive
    You could but if you get pulled over by a cop that knows cars (which a lot of cops do these days) then all he has to do is ask for you to pop your hood then if he sees something that looks out of place with no carb number listed on it then he will send you to the referee and then you get only one chance to pass because from what i remember if you fail the referee it becomes a smog every year on that vin.

    There no car out there that has a top mount turbo setup stock and in CA it's illegal to remove any working parts before the cats. So unless the turbos blew and were replaced with OEM only parts it's not a legal replacement. The best option for the OP is to stick with twins. Ones that look OEM are the best. Like vtt stage 2, pure ect....
     
  14. GotPwned

    GotPwned Lurker

    Messages:
    10
    Ride:
    2007 BMW 335i
    What about a bottom mount single with passenger side relocation inlets? I believe this will help more than having a huge single sticking out in the engine bay
     
  15. buster84

    buster84 Corporal

    Messages:
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    335 bmw xdrive
    A single will help keep you safe when getting pulled over; However, it won't protect from a smart smog shop employee or roadside smog (CA does these random smogs looking for street racing cars). Once smog shop enters you vin they know everything about your car and if they see one turbo instead of two they can fail you or send you to a referee. In this scenario it all depends on the shop you get smogged at and hoping you dont run to a random smog checkpoint. Twins are still the best option for stealth without worry.
     
  16. GotPwned

    GotPwned Lurker

    Messages:
    10
    Ride:
    2007 BMW 335i
    Are these smog checkpoints a Bay Area thing because I have lived in Cali my whole life but have never seen a single checkpoint. Note that i lived in SF and moved out to Sac and now im down in LA for college. Still not checkpoints. Maybe im just lucky
     
  17. buster84

    buster84 Corporal

    Messages:
    214
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    335 bmw xdrive
    There all over, just extremely rare and I've never seen one on the highway. I used to live in Sacramento and the only time I ever saw one was near Arden mall at 2am about 12 years ago. They choose that area because there used to be street racing behind the area where Costco is at now. It used to be a lot of empty business streets. I'm not sure if people still go there or not. My guess is that these are in hot spots where street racing happens and probably all after midnight. DUI checkpoints are all over CA and I never once ran into one so it's all just random luck depending on where you drive and at what time.

    I'm not sure the last time it's happened but I found this quick article on it from 2013. My guess is that CA is so cash strapped smog checkpoints might not even be happening anymore or the police have become very silent about them.

    www.mercurynews.com/2013/05/10/surprise-bay-area-drivers-have-cars-examined-at-random-smog-checkpoints/amp/
     
  18. TheGoose

    TheGoose Lurker

    Messages:
    20
    Ride:
    2007 E92 335i
    Thought of trying to find a bone stock motor I could keep on a stand ready to swap If things went south. Still weighing out all the options.
     
  19. TheGoose

    TheGoose Lurker

    Messages:
    20
    Ride:
    2007 E92 335i
    Unfortunately for me they already know the car. I knew this wouldn't be easy if at all possible to do. Funny you mention a smog every year, For the first 3 years of owning it I had to get one every year... Now I have 2 years again, weird.
     
  20. buster84

    buster84 Corporal

    Messages:
    214
    Ride:
    335 bmw xdrive
    How to they know the car already? You went to a referee or the previous owner? I'm not sure how long the once a year smog lasts, but im guessing a fail would extend it so 3 good years of no issues seems like a good amount of time to show that its fixed to get you back on the 2 year schedule.
     
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