K&N 33-2005 Replacement Air Filter - High Flow, Washable, Reusable
The K&N 33-2005 replacement air filter is a proven, high-flow performance panel filter designed for classic BMW applications. It offers improved airflow and excellent filtration in a simple drop-in format that fits the factory airbox. If you are looking for a BMW E30 air filter, BMW E28 air filter, BMW E24 air filter or BMW E23 air filter upgrade, this K&N panel filter delivers performance, durability and long-term value.
At Nforcd we use K&N panel filters on our own cars and we have supplied this 33-2005 filter to many happy customers who want reliable performance with easy maintenance.
Why choose the K&N 33-2005 for your BMW
- High-flow cotton media - designed to help improve throttle response and induction sound
- Washable and reusable - long service life with simple cleaning and re-oiling
- Direct replacement - drop-in fit for the OE airbox on the applications listed
- Quality construction - K&N performance filtration trusted by enthusiasts worldwide
- Cost-effective over time - reuse instead of repeatedly buying disposable filters
Confirmed compatibility - BMW applications
Please use our product recommender or contact us if you are unsure. Highlights include:
- BMW 3 Series - E21 318i 1.8. E30 316i 1.8, 318i 1.8, 320i 2.0, 323i 2.3, 325e 2.7
- BMW 5 Series - E12 528 2.8. E28 518i 1.8, 520i 2.0, 525e 2.7, 525i 2.5, 528i 2.8, 535i 3.5
- BMW 6 Series - E24 628CSi 2.8, 633CSi 3.2, 635CSi 3.4
- BMW 7 Series - E23 728 2.8, 728i 2.8, 732i 3.2, 733i 3.2, 735i 3.5, 745i 3.2 3.5
- BMW E3 - 3.0si, 3.2 Li
- BMW M Series - M3 E30 2.3 1986-1991 and 2.5 1990-1992. M5 E12 3.4
Detailed fitment covers the engines and years listed in the Compatibility section below, including iconic models such as BMW M3 E30 2.3, BMW 325e E30 2.7, BMW 535i E28 3.5 and BMW 635CSi E24 3.4.
Compatibility check
We run a compatibility check prior to dispatch to ensure your order is correct. Provide your UK registration or the last 7 of your VIN at checkout and we will verify the fitment for your vehicle.
Fitting and support
Want us to fit it for you. Nforcd offers professional installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Part number
K&N 33-2005
Why buy from Nforcd
- Specialists in performance car parts for classic and modern BMW models
- Friendly expert advice and fast UK dispatch
- Genuine, brand-new products with full support
- Pre-dispatch compatibility check for peace of mind
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