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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums Regional Forums UK N57 swirl flap delete
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      02-23-2024, 01:42 PM   #1
gtthree
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N57 swirl flap delete

Hi

My swirl flaps are reporting the code not able to close fully and at cold start up the engine is a little juddery.

Can I ask has anyone had their swirl flaps removed from a N57?

And if so were there any downsides particularly around reduction in torque and driveablity?

The delete is remove of the flaps and the rod and replacement with a single bung for the N57. Which is different to the M57.

Thanks
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      03-31-2024, 05:16 AM   #2
dennis3258
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I drive a 520d from 09/2010 and have been advised that the engine has an update and wouldn't be an option to remove the swirl flaps.
For the N57 I am not able too answer, but I take it these guys can,

https://www.darksidedevelopments.co....20consequences.
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      Yesterday, 03:24 PM   #3
gtthree
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Update - I ended up getting them cleaned, they weren't too bad.

The issue was the actuator arm had broken, so the garage repaired it.

Car runs like it used to, maybe even slightly better but it could be placebo.

No further fault codes.

For others a new manifold for the N57 is 800 to 900 from BMW

From autodoc you can pick up a pierburg for between 350 and 400 depending on their discount level.

Or you can roll the dice on 130 ebay special......and pray.
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