Plug & Play Performance

Boost your vehicle's horsepower & torque with CarBahn's Performance Controllers & mobile app. Instant performance without the unlock

Upgrade your way—backed by Steve Dinan's most trusted dealer network

Over 80 authorized dealers ready to help you go even faster

Enhance Your Stance

NEW! Wheel Spacers for better stability and more aggressive looks

Up to 50% off Exhaust Systems

Available in Titanium and Stainless Steel

Find Parts by Vehicle

Refined Performance

Factory Matching Warranty

Industry Leading Engineering

Local CarBahn Events & Meetups

Toys for Tots Car Show

Toys for Tots Car Show

CarBahn Service in San Jose is hosting a Toys for Tots donation and car show December 7th from 10a-4p

Shop by M Platform

BMW Tuning, Suspension & High Performance Parts

Stage 2 Performance Controller | BMW M2/M3/M4

Unleash your BMW's True Power

ECU Flash Tuning Software & Install-Yourself Performance Controllers.

Increase your horsepower and unlock your BMW's full potential with cutting-edge ECU & Chiptuning software.

Check us out on the most recent The Smoking Tire Podcast

  • Discussions around Race Cars, Tuning & Aftermarket Upgrades & more!
Watch the Video

About CarBahn?

CarBahn, founded by Steve Dinan, is the premier destination for BMW, Audi, and Mercedes tuning, engines, and aftermarket parts.

With a passion for performance and precision engineering, CarBahn specializes in enhancing the driving experience of BMW enthusiasts worldwide. Steve Dinan’s expert team meticulously crafts high-quality upgrades, from engine modifications to suspension enhancements, ensuring optimal performance and reliability.

Whether you’re seeking increased horsepower, improved handling, or simply a personalized touch to your BMW, CarBahn delivers unparalleled expertise and cutting-edge solutions. Explore CarBahn’s comprehensive range of products and services to elevate your driving experience to new heights. Shop CarBahn.com today or visit an authorized dealer to get the perfect upgrade.

When it comes to BMW tuning & suspension, CarBahn stands out as the best in the industry. With a team of highly skilled technicians and engineers, CarBahn offers unparalleled expertise in BMW performance tuning. Whether you’re looking to enhance your BMW’s horsepower, torque, or overall driving experience, CarBahn’s state-of-the-art tuning solutions deliver exceptional results. Our commitment to quality and precision ensures that every BMW we tune performs at its peak potential. Trust CarBahn for the best BMW tuning services, and experience the ultimate in performance and reliability. Learn more about our comprehensive BMW tuning & suspension options and take your driving experience to the next level.

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