M50 Intake Manifold Adapter Kit

Get all of the benefits of the legendary BMW M50 intake manifold on your E46, without the hassle. Retain the ability to revert to the M54 manifold if needed. Designed and manufactured in the USA, this kit spares no cost and uses only quality materials. 


Check our blog for more installation information and our experience with the intake!


Replacing the M52TU/M54 intake manifold with the M50 intake has many benefits, including:

  • Increase in power- About 20hp N/A depending on application
  • More flow at high RPM, for an extended powerband
  • Better throttle response
  • More engine bay room
  • More injector options
  • Removes the DISA valve, which often fail and only functions in slow city driving, not performance environments


Our kit includes a throttle body adapter plate and hardware to use your M54 electronic throttle body on the M50 manifold, templates to quickly and easily port match the intake if you like and inserts to plug the ICV ports on the head without any need to remove the head or use special tools. Fits both 2.5L and 3.0L throttle bodies. If you have a M52TU, your cable driven throttle body will bolt right up without this adapter, you can order the plugs and templates separately in another listing. 


Add our silicone hose kit. Msde from motorsports grade materials ready to handle any level of boost. Also great for a clean install on any vehicle. Includes all hoses required to install your original ICV. 


Add the billet ICV fitting. The stock fitting is plastic and brittle- Not good for boost or ihgh engine bay temps! This one will stay in place no matter what- increased reliability and bling!


The billet fuel rail is a real motorsports grade setup that handles any pressure and flow. Doesnt hurt that it also looks great as well. Great for pass through fuel systems and using an aftermarket fuel regulator.


Injector Spacer kit recommended for aftermarket injectors. These spacers are sometimes required on aftermarket slim body injectors so they don't push too far down into the intake manifold and create a vacuum or boost leak.in the future. 


If you have any questions or need any of these products separate, send us a message via email or instagram and we'll respond asap.



Due to the intended use of high performance products, Seems Legit Garage, LLC. ("SLG”) products and each part thereof, are sold "AS IS” and with all faults. To the fullest extent allowed by law, SLG Racing Products makes NO written, oral, expressed, or implied statement of warranty or guarantee on any product or part sold. SLG will not be liable for any direct, indirect, incidental, consequential, or special damages, including but not limited to, damage, injury, loss of life, loss of property or equipment, loss of profits or revenue, or claims from any individual or entity arising from the use of any SLG product. 

RACING IS A DANGEROUS ACTIVITY AND PURCHASERS OF SLG PRODUCTS ACKNOWLEDGE THE INHERENT RISKS ASSOCIATED. SLG MAKES NO REPRESENTATIONS THAT ITS PRODUCTS CAN REDUCE OR ELIMINATE ANY SUCH RISK. SLG products are NOT FOR STREET, HIGHWAY, OR AIRCRAFT USE and are intended ONLY for race vehicles operated on closed-course facilities or race tracks with appropriate supervision of qualified technicians or mechanics to ensure that the safety needs of the race driver and others are met. SLG products could be combined with other products or parts which may not be suitable and could adversely affect performance of other race parts or the vehicle. The user shall determine the ultimate suitability and safety of the product for its intended use, and the user assumes all responsibility and risk in connection therewith. 

Billet 6 or 8AN Fuel Rail
Silicone Elbow and ICV hose kit
Billet ICV Fitting
Injector Spacers