Mporium BMW is a specialist shop that caters to the needs of the BMW model line and particularly the Motorsport products such as the M3 and M5. Unlike the generic "Euro Shop" which will work on a variety of brands but master none, Mporium has chosen to follow its passion and focus its efforts on the BMW platform which allows the shop to truly understand every aspect of their service and modification, enabling us to skillfully advise customers and provide the absolute best possible care for their beloved BMW.

Coulter Dean


Coulter Dean founded Mporium as an extension of his passion for custom BMW projects using the BMW parts bin for an OEM "plus" feel. Since his early years, he has immersed himself in all technical aspects of auto repair and customization. With an entrepreneurial background and natural gift for all things mechanical, he brings a much-needed meticulous attention to detail to ///M car owners who are looking for someone to care for their car as they would if they were able to do so themselves. Coulter is also an avid contributing member on many BMW forums posting under the screen name "Deansbimmer", and is an official forum sponsor on M3POST.

Mike Holtmeier

Head Technician and Shop Manager

Mike Holtmeier is an accredited BMW Master Technician with years of factory training and franchise dealership experience. Mike has immersed himself in all aspects of BMW repair and custom tuning and is skilled in all areas of BMW repair. With a past background as a shop foreman in heavy-duty diesel which necessitates that jobs be done correctly the first time, he brings to BMW owners that same quality of work that is much needed in today's auto industry. Mike is also an avid contributor on many social media venues and is always ready to help others while sharing his knowledge.

Contact Us

Mporium BMW is a fully equipped shop with an impressive assortment of standard and specialized tooling and machinery required to provide almost any conceivable service or modification for your BMW, from tune-ups to full restorations and engine swaps. Mporium believes in providing "outside the box" solutions not available or offered by dealers or other independents. Are you looking for a reliable BMW facility but don't own an ///M model? Don't worry! Contact us today and let us know what we can do for you. 

10015 Rearwin Lane
McKinney, Texas 75071

P: (214) 642-6365

Give us a call or drop by anytime, we endeavor to answer all inquiries within 24 hours on business days. See our Contact page for more information.

Monday - Friday: 8am - 5pm

Saturday - Sunday: Closed