What does it do?
One of the easiest and best ways to upgrade the breathing abilities of the F2x N55-powered M135i / M235i is with the MMR Performance Replacement Panel Air Filter.
We've developed our own range of MMR performance cotton gauze filters that easily drop into the OE airbox which provide excellent filtration properties, combined with instant performance increases and induction noise enhancements.
Upgrade the breathing abilities of your BMW F2x N55-powered M135i / M235i with our MMR Performance Panel Air Filter. Our filters simply drop into the OE airbox to provide excellent filtration properties, combined with instant performance increases and beautiful induction noise enhancements.
> Increased engine performance
> Improved induction noise
> Designed to be used with the OE air filter housing
> Simple drop-in fitment - in just minutes
> Warranty-friendly upgrade
> Easily fitted and washable.
> Once fitted this product will last the lifetime of your engine
How we develop.
Every MMR Performance upgrade is developed and tested here in the UK by our expert engineering team of BMW enthusiasts.
Nothing gets the MMR logo until we've thoroughly proven it on road, track and dyno.
That's the MMR Performance difference.
How to buy?
Our network of expert MMR Performance dealers can supply the full range, together with product guidance and advice, plus often an experience fitting service.
If you haven't got a MMR Performance Partner Dealer close to you, don't worry! Remember you can buy direct from our MMR Performance webshop. Click here to browse and shop online, for worldwide despatch.