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K&N · BM-1821

Part #: BM-1821
UPC: 024844391893

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Description: Replacement Air Filter; The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection.

Description:

Description

The K&N High-Flow Air Filter for Motorcycles is engineered to increase airflow for improved horsepower, throttle response, and acceleration while providing increased engine protection. Built with premium oiled cotton gauze, this washable and reusable air filter is designed for long-lasting performance, a precision OEM-style fit, and durable construction to keep your motorcycle performing ride after ride.

Features & benefits

  • ENGINEERED POWER: Increases performance by delivering high airflow that can help improve horsepower, acceleration, and engine response without typically requiring fuel-management modifications.
  • PREMIUM ENGINE PROTECTION: Layers of premium cotton gauze treated with a specially designed tacking agent work to trap dirt & contaminants.
  • WASHABLE & REUSABLE: K&N pre-oiled washable filters offer a longer service life, helping reduce replacement costs while supporting extended maintenance intervals.
  • PRECISION OEM-STYLE FIT: Made with application specific seamless sealing beads and custom seals for easy installation (Where Applicable).

Information

Associated products: 99-5000 Filter Care Service Kit Aerosol

Application summary

Year Make / model
2021-2025 BMW R 18
2023 BMW R 18 100 Years
2022-2025 BMW R 18 B
2021-2025 BMW R 18 Classic
2021 BMW R 18 First Edition
2024-2025 BMW R 18 Roctane
2022-2025 BMW R 18 Transcontinental
2022 BMW R 18 Transcontinental First Edition

Specifications

GTIN
10024844391893
Weight
0.53 lb
Height
1.69 in
Length
9.69 in
Width
7.72 in
EO
Legal US
Life cycle
Available to Order
Alt. part number
BM-1821
AAM brand code
KAN
Warehouse brand code
KAN
AAIA brand code
BBWQ

Attributes

AAM Standard Pack
6
Air Filter Material
Cotton Gauze
Air Filter Shape
Panel
Alternate Part Number
BM-1821
California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Filter Re-Oiling Amount
0.42 oz (12 ml)
Frame Design
Flexible
Height
0.844 in (21 mm)
Item Type
High Performance
Oil Included
Yes
Outside Length
8.938 in (227 mm)
Outside Width
4.938 in (125 mm)
Package Contents
1 Air Filter
Package Material
Corrugated
Package Quantity
1
Package Type
Box
Pre-Screened
No
Product Style
Panel Air Filter
Retail Packaging
Yes
Title
K&N BM-1821 Replacement Air Filter
Warranty
No-Hassle Lifetime Limited
Washable
Yes
Weight
0.5 lb (0.2 kg)

Fitment status

Select a vehicle or engine to see whether this part applies to your application.

Application summary

2021-2025 BMW R 18; 2023 BMW R 18 100 Years; 2022-2025 BMW R 18 B; 2021-2025 BMW R 18 Classic; 2021 BMW R 18 First Edition; 2024-2025 BMW R 18 Roctane; 2022-2025 BMW R 18 Transcontinental; 2022 BMW R 18 Transcontinental First Edition
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