SKU: 30392007285

ARM B58 3.75" INTAKE - M240i 340i 440i

$191.70 $213.00
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

ARM B58 3.75" INTAKE - M240i 340i 440iThe ARM B58 Intake isn't your standard lookalike B58 intake, this has been designed with upgraded 3. 75" piping throughout, making it the largest B58 intake available. Combine the ARM B58 Intake with the ARM B58 Turbo Inlet to give your B58 a complete induction solution capable of supporting the most demanding B58 builds! IN THE BOX 1x ARM B58 Air Filter 1x ARM B58 Heat Shield 1x ARM B58 Heat Shield Aluminum Cover 5x Heat Shield Cover Screws and

The ARM B58 Intake isn't your standard lookalike B58 intake, this has been designed with upgraded 3.75" piping throughout, making it the largest B58 intake available.  Combine the ARM B58 Intake with the ARM B58 Turbo Inlet to give your B58 a complete induction solution capable of supporting the most demanding B58 builds!

IN THE BOX

• 1x ARM B58 Air Filter
• 1x ARM B58 Heat Shield
• 1x ARM B58 Heat Shield Aluminum Cover
• 5x Heat Shield Cover Screws and Washers
• 1x Heat Shield Securing Nut
• 1x ARM B58 MAF Pipe
• 1x ARM B58 Silicone Coupler
• 4x ARM Clamps

FITMENT GUIDE

Make Model Submodel Engine
BMW F22 M240i B58 
BMW F22 M240i xDrive B58 
BMW F23 M240i B58 
BMW F23 M240i xDrive B58 
BMW F30 340i B58 
BMW F30 340i xDrive B58 
BMW F32 440i B58 
BMW F32 440i xDrive B58 
BMW F33 440i B58 
BMW F33 440i xDrive B58 
BMW F34 340i xDrive B58 
BMW F36 440i B58 
BMW F36 440i xDrive B58 
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 30392007285

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4.1 ★★★★★
Based on 17 reviews
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Product Reviews
L
Verified Purchase
Liza Jane
Whiting, US
★★★★★ 5
Quality and comfort
Size: 10.5-11.5 Women/9-10 Men, Color: Black
Comfortable and fit well. I got these to replace a very old pair that finally wore out! Warmth is medium (I wear puffer booties for when it's really cold). Quality on these is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
V
Verified Purchase
V M T R
Carnegie, US
★★★★★ 5
Can't go wrong with Acorn for as long as they last!
Size: 12-13 Women/10.5-11.5 Men, Color: Charcoal
Acorn is just a great company all around. I had bought my husband these slippers over 20 years ago. They are still in great shape although the sole has worn in some places. But nothing's coming apart! However, I decided to replace them for him. His foot is 10.5 and they are a little hard to get on right away-of course, after over 20 years of having "worn in" the original pair, anything would feel tight. So I'm not holding this against them. They will relax with use. The only difference is that the original sole was black and these are tan. I think I would prefer the black, but since it's only being worn in the house, no big deal. My husband has really cold feet and these slippers never fail to warm his feet right up! He said they feel really soft to walk in and like the cushioning. They're not too heavy and fit him great! I have Acorn slippers myself that I've worn every single day in the house and outside to the mailbox too. They last.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
M
Verified Purchase
Michael
Lowell, US
★★★★★ 4
Very warm.
Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue
Very warm and comfortable. A little difficult to put on with the collared top.
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Reviewed in the United States on January 19, 2026
C
Verified Purchase
Cheryl
New York, US
★★★★★ 5
You won't be sorry
Size: 10.5-11.5 Women/9-10 Men, Color: Black
Great padding for comfort and terrific warmth. I bought a pair of Acorns 30 years ago and still have them. Updated to a new color and now feel the benefit of newer padding! I used the sizing listed for shoes and like the roominess for thicker sox. Well made and a joy to put on. (Wisconsin)
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Reviewed in the United States on December 25, 2025
B
Verified Purchase
Bureau of Review
New York, US
★★★★★ 5
Great Slippers
Size: 12-13 Women/10.5-11.5 Men, Color: Charcoal
Comfy, great price, looks great, fits well, size aligned, great quality. Love these slippers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026

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