These CSL airboxes are complex - the engineering & design expertise is not only for performance, sound but most importantly: reliability.
In this Special Series, I document my CSL airbox experience.
I take you into my unboxing of the Haimus Racing CSL airbox, the hardware checklist, the tuning dilemma, installation notes and my driving impressions with proper sound clips.
- Matt / @m3_epoustouflant
It sounds like the original.
It flows better.
It stays cool for longer.
It's assembled to be reliable.
A simplified snorkel is optional.
When in doubt, use a checklist. The complete required and optional CSL airbox hardware list.
Understand the various OEM DMEs of the S54, how it affects your costs, and the related tuning hardware required.
Haimus Racing is a manufacturer focused on BMW M Clubsport components: products that can evolve on the track, and on the street.