Terms of Use

ZIYUM is an informational catalog of BMW N55 performance parts. We curate listings and link out to third-party retailers and manufacturers. We do not sell, stock, fulfil, or ship products through this site, and we are not party to any purchase you make with a retailer.

We work to keep part details, specifications, prices, and compatibility accurate, but we make no warranty that any of it is current, complete, or error-free. Prices and stock are set by the retailers and change constantly. You are responsible for confirming that a part fits your specific vehicle — chassis code, engine, production date, wastegate type (PWG vs EWG), and transmission can all affect fitment — before purchasing. When in doubt, verify with the seller or a qualified BMW specialist.

Many parts listed here are intended for off-road, track, or competition use and may not be legal for use on public roads in your jurisdiction. Some are not emissions-compliant (e.g. CARB) and installing them may void your vehicle warranty or violate local law. Modifying a vehicle carries mechanical and safety risk. You assume full responsibility for how you use any part you buy and for compliance with all applicable laws.

Content on ZIYUM — including build guides, power estimates, and install-difficulty ratings — is general information, not professional mechanical, tuning, or legal advice. Power figures are estimates and depend heavily on the complete build, fuel, and tune.

Some outbound links earn us a commission. This never affects your price. See the Affiliate Disclosure for details.

To the fullest extent permitted by law, TechRecycle Solutions LLC is not liable for any loss, injury, or damage arising from your use of the site, from reliance on its information, or from any product you purchase through a third-party link. The site is provided “as is” without warranties of any kind.

The ZIYUM name, layout, and original content are owned by TechRecycle Solutions LLC. Product names, brands, and trademarks belong to their respective owners and are used for identification only; their use here does not imply endorsement.

Questions about these terms? Email sales@techrecyclesolutions.com.