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      12-06-2018, 09:02 AM   #1
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Big turbo, stock tune

I plan on going to a larger turbo, FMIC and tune. I'd also like to do everything myself BUT the turbo replacement requires an electronic wastegate calibration and I don't have the equipment necessary. That brings me to my question. I plan on having a BMW dealership do the turbo swap on my vehicle while it's bone stock. My question is, can I drive the vehicle this way 90 miles to my house? Once I get it home I'll do the intercooler and tune. TIA.
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      12-06-2018, 10:12 AM   #2
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Don't risk it just have it towed to your house
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      12-06-2018, 10:34 AM   #3
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Expect you could do the tune at the shop, drive home conservatively and do the intercooler once you get home. Is that an option?
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      12-06-2018, 11:12 AM   #4
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Originally Posted by GeilesAuto View Post
Expect you could do the tune at the shop, drive home conservatively and do the intercooler once you get home. Is that an option?
The shop will be a BMW dealership. I really didn't want to tune it there in their parking lot.
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      12-06-2018, 11:13 AM   #5
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Originally Posted by Orange fever View Post
Don't risk it just have it towed to your house
That's an option as well.
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      12-06-2018, 11:41 AM   #6
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I was thinking (maybe wrongly) that the MAF would monitor air flow still and the O2's would check mixture and the DME would still control everything. If I stayed out of the throttle it might be ok but all of that was guess on my part.
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      12-06-2018, 12:01 PM   #7
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If I was an SA with a brain, having just supervised a big turbo install, I'd be much more concerned/likely to flag car if I saw the owner drive off without a tune than I would if I saw the owner tuning the car in the parking lot.

Towing is of course an option, but just seems like a waste.

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Originally Posted by cecaa850 View Post
I was thinking (maybe wrongly) that the MAF would monitor air flow still and the O2's would check mixture and the DME would still control everything. If I stayed out of the throttle it might be ok but all of that was guess on my part.
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      12-06-2018, 12:07 PM   #8
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Call me naive but, the "big" turbo is nothing more than a stock turbo with a slightly bigger compressor that creates more flow. How would driving it 90 miles conservatively cause any damage? Ask the tech who's installing the turbo if it's ok to do so.
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      12-06-2018, 12:31 PM   #9
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Quote:
Originally Posted by Stage IV View Post
Call me naive but, the "big" turbo is nothing more than a stock turbo with a slightly bigger compressor that creates more flow. How would driving it 90 miles conservatively cause any damage?

That was my thinking as well.
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      12-06-2018, 12:43 PM   #10
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Quote:
Originally Posted by cecaa850 View Post
The shop will be a BMW dealership. I really didn't want to tune it there in their parking lot.
I assume you're just flashing a tune, and not tuning it yourself. It will take a couple minutes to do. Why not flash it in their parking lot?
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      12-06-2018, 01:16 PM   #11
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Originally Posted by Anthony1s View Post
I assume you're just flashing a tune, and not tuning it yourself. It will take a couple minutes to do. Why not flash it in their parking lot?
I wanted to install the FMIC and intake and charge pipes first plus if something were to screw up I really didn't want it to happen there.
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      12-06-2018, 05:59 PM   #12
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Quote:
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I assume you're just flashing a tune, and not tuning it yourself. It will take a couple minutes to do. Why not flash it in their parking lot?
Yea plus if the battery dies, you're right there!
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      12-06-2018, 08:12 PM   #13
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You'll be fine. I have the Dinan turbo and before getting a custom tune I ran a BM3 stage 2 map for a few hundred miles, regularly hammering it with no issues. If you are really worried about it just stay off boost.
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      12-07-2018, 07:35 AM   #14
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Quote:
Originally Posted by Natek View Post
You'll be fine. I have the Dinan turbo and before getting a custom tune I ran a BM3 stage 2 map for a few hundred miles, regularly hammering it with no issues. If you are really worried about it just stay off boost.

Did you ever run the turbo with stock tune?




The more I think about this the more I think it'll be OK.
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      12-07-2018, 06:18 PM   #15
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Quote:
Originally Posted by cecaa850 View Post
Quote:
Originally Posted by Natek View Post
You'll be fine. I have the Dinan turbo and before getting a custom tune I ran a BM3 stage 2 map for a few hundred miles, regularly hammering it with no issues. If you are really worried about it just stay off boost.

Did you ever run the turbo with stock tune?




The more I think about this the more I think it'll be OK.
Yup. No issues.
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      12-08-2018, 09:06 PM   #16
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Quote:
Originally Posted by Natek View Post
Yup. No issues.
Thanks. Exactly the info I was looking for.
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