BMW Tuning & Aftermarket Performance Parts


The Accessport V3 is the world’s best selling, most flexible ECU upgrade solution for  BMW tuning. Unlock better performance and power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations and gain additional performance upgrades using the best BMW performance parts. Upgrade forever with off-the-shelf (OTS) calibrations for most bolt-on modifications. It’s the last engine management solution you’ll ever need.

Throw away your gauges!! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen which allows BMW owners to monitor up to six parameters in real time. Fully customizable from the look (multiple bezel colors), layout (set up a race, street or dyno gauge cluster) and mounting options (choose from 1,000s of standard vehicle mounts). Of course, all of the great COBB tuning is included – with enough space for 100 tuning file calibrations to hone in on the perfect performance tune.

This is your new Accessport – and maybe the last tuning solution you’ll ever need.

BMW 535

BMW Tuning & Aftermarket Performance Parts

BMW 335

BMW Tuning & Aftermarket Performance Parts

BMW 135

BMW Tuning & Aftermarket Performance Parts


BMW Tuning & Aftermarket Performance Parts



BMW Tuning & Aftermarket Performance Parts

Stage Power Packages:

Our engineers rigorously test Hard Parts to find the right order and combination for the best incremental power gains for BMW tuning. Maps are created and tested to tune the ECU so that it supports and takes advantage of BMW performance parts for maximum performance. With these results, COBB is able to create the Upgrade Path of Staged Packages that have all the necessary parts to upgrade your BMW cars.

The COBB Way:

With over 23 years of Research and Development, COBB Tuning has created performance Upgrade Paths designed to provide BMW owners with everything they will need to go from a bone stock car to a powerful, drivable, daily smile-making driving experience in the ultimate driving machine. Each path is specifically designed to maximize power of the Accessport, Hard Parts and our Off-The-Shelf maps. Learn more about The COBB Way.

COBB Dealers, Distributors and Protuners

Click here for a list of Authorized COBB Dealers, Distributors and Protuners in your area

Always be sure you are buying from a COBB Authorized Dealer to ensure you are getting real COBB products, a full product warranty, and the best customer service!