MMR Performance Elite Series Panel Air Filter for BMW B58 and B48 I M140i I M240i I 340i I 440i
Upgrade your BMW’s breathing with the MMR Performance Elite Series panel air filter for the BMW B58 and B48 engines. This high-grade foam performance air filter is a direct replacement for the OEM paper element in the factory airbox, developed using techniques and materials seen in Formula 1, World Rally and Touring Cars. If you are searching for the best BMW M140i air filter, BMW M240i panel filter, BMW 340i air filter or BMW 440i intake filter, this is the proven upgrade built for both road and competition use.
We run this filter on our own cars at Nforcd and our customers consistently praise the fit, quality and performance feel. It is washable and reusable, so it does not need replacing at service intervals like a paper filter. Just clean, re-oil if required and refit.
Why choose the MMR Performance Elite Series filter
- Direct replacement panel filter for the OEM airbox on B58 and B48 models
- Motorsport-grade foam construction for high-quality filtration
- Designed for performance on fast road and track day cars
- Washable and reusable – long-life, serviceable solution
- No tuning required – simple fit, factory look, performance-led materials
- Ideal BMW intake upgrade for M140i, M240i, 340i, 440i and select B48 models
Perfect for these searches
BMW B58 air filter, BMW M140i panel air filter, BMW M240i air filter upgrade, BMW 340i panel filter, BMW 440i performance air filter, BMW F20 F21 M140i air filter, BMW F22 F23 M240i air filter, BMW F30 F31 340i intake filter, BMW F32 F33 440i air filter, MMR Performance Elite Series, washable reusable foam filter, high flow replacement air filter.
Applications and fitment
Fits the following BMW models and engines using the factory airbox:
| Series | Model Code | Year | Variant | Engine Codes |
|---|---|---|---|---|
| 1 Series | F20 / F21 | 2015 - 2019 | 120i, 125i, M140i, M140iX | B48, B58 |
| 2 Series | F22 / F23 | 2015 - 2019 | 220i, 230i, 240i, M240iX | B48, B58 |
| 3 Series | F30 / F31 | 2015 - 2019 | 320i, 320iX, 330i, 330iX, 340i, 340iX | B48, B58 |
| 4 Series | F32 / F33 | 2015 - 2019 | 420i, 420iX, 430i, 430iX, 440i, 440iX | B48, B58 |
Installation and servicing
This is a direct replacement for the OEM paper filter and fits into the standard airbox. It is designed to be washed and reused rather than thrown away at service time.
Prefer professional fitting or a full performance package install? Nforcd offers fitting at our Warwickshire workshop. Request a quote at Sales@nforcd.com.
Trusted by enthusiasts
At Nforcd we have used this MMR Performance Elite Series filter on our own B58 cars and customer builds. Feedback is consistently positive for quality, fitment and performance-focused design. If you want a simple, effective BMW B58 intake upgrade that retains the OEM airbox and delivers motorsport-inspired filtration, this is the panel filter to choose.

