Will it fit an E46 M3?

No, I think you will need part number K&N 33-2231, but you should check the KN website first

will it fit a 330CI 99 to 06 model?

Yep that's what i have soft top 330ci 05

Will it fit bmw e36 compact 1.9

Don't know tbh. I know it fits the M3

Does this fit bmw e46 318i 1999 ??

No i dint think it will fit the 318i

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33-2231 Replacement Air Filter, Heather Red

33-2231 Replacement Air Filter, Heather Red

Product ID: 49380722

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Details

Brand
K&N
Product dimensions
25.1L x 19.4W
OEM part number
13721730946
Global Trade Identification Number
Shape
Panel

🔥Boosts engine performance

♻️Reusable & eco-friendly

🛠️Precision-machined fit

Description

🔥 Elevate your BMW’s breathability and performance — don’t get left behind!

LIGHTWEIGHT DURABLE - Weighs just 349g with robust construction for long-lasting use
ECO CONSCIOUS REUSABILITY - Washable and reusable filter reduces waste and saves money
TAILORED FOR BMW L 6 MODELS - Perfectly engineered for 1996-2007 BMW 325Ci, M3, X3, and more
PRECISION MACHINED EXTERIOR - Ensures a seamless, OEM-quality fit every time
PERFORMANCE ENHANCING DESIGN - Optimizes airflow to unlock your engine’s true potential

The K&N 33-2231 Replacement Air Filter is a precision-machined, reusable air filter designed specifically for select 1996-2007 BMW L6 models. Weighing 349 grams and measuring 25.1 x 19.38 x 4.6 cm, it offers enhanced airflow for improved engine performance while providing a durable, eco-friendly alternative to disposable filters.

Specifications

Manufacturer	K&N
Brand	K&N
Model	1996-2007 BMW L6 (325Ci, M3, X3, 320Ci, 320i, 325Ti and other select models)
Product Dimensions	25.1 x 19.38 x 4.6 cm; 348.81 g
Item model number	33-2231
Exterior	Machined
Manufacturer part number	33-2231
OEM Part Number	13721730946, 13721744869
Item Weight	349 g

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