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Speed Engineering B58 Airbox Upgrade Kit - F2x M140i M240i 340i 440i

Pure Engineering - Made in Germany. Speed Engineering thinks new in their ideas, developments, designs and products. Speed Engineering's standard is the extremely high demands in motorsport, which is reflected in every work step, whether in motorsport or off the race track.
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$789.00

Product Information

Increased performance and TÜV are two terms that are rarely read in one sentence, at least not in a positive context.

The B58 has an enormous performance potential, which is exhausted by various turbo upgrade kits. Together with Kotte Performance GmbH, Speed Engineering redeveloped the lower part of the OEM B58 airbox, resulting in 3 major advantages:

  1. A larger manifold can be found under the airbox.
  2. An additional opening provides more air volume.
  3. You open the hood and see NO difference.
The bottom part of the air box mates with the top part and even opening it up reveals the OEM air filter. With this, Kotte Performance was already able to achieve 900hp without you noticing anything when you open the hood.

The lower part of the air box is made of an ABS performance material using the vacuum casting principle so that it meets the requirements.

Caution: It is strongly recommended to wrap the manifold in heat protection tape to reduce radiated heat.

Scope of delivery

  • 1x Upgraded B58 Airbox, Lower Section
Models
  • 1 Series / F20 (2012-2019) / M140i
  • 2 Series / F22 / F23 (2014-2021) / M240i
  • 3 Series / F30 / F31 / F34 (2012-2018) / 340i
  • 4 Series / F32 / F33 / F36 (2014-2020) / 440i

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