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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > inlet and and DV bolt torque

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      03-16-2020, 10:51 AM   #1
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inlet and and DV bolt torque

Hey there,

I've got a few days at home ahead of me, so I'm planning to do some work on the car. I've got parts and tools ready, but I'm not sure about the torque ratings for the turbo inlet pipe or the dv. Does anyone have those numbers? I found ratings for the DV on the f30 of 8nm intake and then 13nm finally. Does that transfer to our car?

Actually, while I'm asking, does anyone have the specs for the intercooler bolt torque? I'm not sure if I've seen that. Better safe than sorry...

Stay healthy out there, everybody.
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      03-19-2020, 10:57 AM   #2
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Any follow up on this?
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      03-23-2020, 06:41 PM   #3
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Nope. I didn't find anything. I just tightened both down what I felt was "tight enough" based on how hard they were to get off.

Now I'm wrestling with installing the EVO II intercooler which has proved more difficult than the turbo inlet and diverter valve to the point where i'm considering pulling the front bumper.
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      03-24-2020, 12:17 AM   #4
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Quote:
Originally Posted by digimattic View Post
Nope. I didn't find anything. I just tightened both down what I felt was "tight enough" based on how hard they were to get off.

Now I'm wrestling with installing the EVO II intercooler which has proved more difficult than the turbo inlet and diverter valve to the point where i'm considering pulling the front bumper.
Pull the front bumper... it's a 20 minute job max, and really not difficult at all. I always remove the bumper if I'm doing the FMIC. The way it bolts up make it impossible to mis-align.
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      03-24-2020, 09:26 AM   #5
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Originally Posted by Nezil View Post
Pull the front bumper... it's a 20 minute job max, and really not difficult at all. I always remove the bumper if I'm doing the FMIC. The way it bolts up make it impossible to mis-align.
And have a pan ready for the washer fluid. LOL.
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      03-24-2020, 10:07 AM   #6
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And have a pan ready for the washer fluid. LOL.
No need for that... pop the washer jets out the back, but leave the hose connected and un-clip the hose from the bumper before you move it away.

The way I do it, without a helper, is to remove the arch liners first, then the washer jets, and un-plug the thermometer, un-clip the washer hose as far as you can, which is only a couple of clips at this point, then remove all fastenings apart from one top bolt. Lay a larger towel or some foam pads on the ground, un-bolt the last fastener at the top, pull off the bumper and lay it on the towel / foam right in front of the car. Un-clip the rest of the hose, then move the bumper completely away.
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      03-24-2020, 01:04 PM   #7
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Thanks very much. I have been reluctant to do it on my own. A good friend is a BMW tech and advised against doing so on my own because it can be a challenge to get it lined up properly again.
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      03-26-2020, 03:20 AM   #8
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Quote:
Originally Posted by digimattic View Post
Hey there,

I've got a few days at home ahead of me, so I'm planning to do some work on the car. I've got parts and tools ready, but I'm not sure about the torque ratings for the turbo inlet pipe or the dv. Does anyone have those numbers? I found ratings for the DV on the f30 of 8nm intake and then 13nm finally. Does that transfer to our car?

Actually, while I'm asking, does anyone have the specs for the intercooler bolt torque? I'm not sure if I've seen that. Better safe than sorry...

Stay healthy out there, everybody.
Try:
https://www.newtis.info/tisv2/a/en/f...ntrol/INzrIvx3
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      03-27-2020, 12:54 PM   #9
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That's an excellent resource, thank you!
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