COBB is proud to announce the release of our BMW Front Mount Intercooler and N55 Downpipe along with off-the-shelf map support! COBB N54/N55 FMIC – One of the best power modifications for your BMW 1 or 3 Series – Click here for more pictures and details. COBB BMW N55 Downpipe – Take your N55 powered...

Tuning a BMW Most owners know by now that BMW tuning is one of the best bang for your buck modifications you can make.  But, lesser known is how exactly to tune a BMW.  There are many ways accomplish tuning your BMW.  These can be incredibly complicated and involve knowing how to tune a car.  Whether...

When you hear someone mention “Sick Gainz” it’s typically in the neighborhood of at least one “Do you even lift, bro?”s.  But, there’s something even more deserving of the sick gain description.  The gains I’m talking are on your N54 powered BMW and the only supplement required is the Accessport. Every 135, 335, and 535 (also included is...

COBB Tuning is excited to announce another update for the BMW platform.  Vehicles with updated ROM IDs from BMW can now take advantage of the power, control, and convenience of the Accessport that other BMW enthusiasts have been enjoying.  Note that the same vehicles are backed but support has been added to several ROMs that may have...

N54 Black Charge Pipe N55 Black Charge Pipe The BMW N54 & N55 Charge Pipes have been redesigned.  The charge pipes now feature a wrinkle black powder coat finish and an improved design with increased clearances making for an easier install. The COBB BMW Charge Pipes both increase flow and improve the reliability of your...

COBB is extremely happy to announce the release of the AccessPORT for the N55 powered 2011 BMW 135, 335i and 335xi. We have been cranking extremely hard to get this out – with our best engineers working on making this a terrific product. This is a Beta release – which means that although the support...

COBB Tuning is proud to announce the immediate availability of Beta Race Fuel Maps and E-30 Blend Fuel Maps for Stage2+ AccessPORT equipped BMW N54 vehicles! Gains of 50% more power over a stock N54, and +40HP / +45lb-ft torque over our Stage2+ Aggressive maps are just a flash and a fill-up away. These Race...

COBB Tuning has just released a new BMW N54 AccessPORT Off-The-Shelf Map revision that addresses the boost oscillation some users have experienced. These new v4.02 Beta maps have been used by alpha testers and have been shown to eliminate boost oscillation and produce very smooth power delivery. The new v4.02 maps are available immediately for...

We have just released a new v4.02 BETA Off-The-Shelf Maps for the BMW 1M. The map database now includes the full compliment of Stage1, Stage1+, Stage2 and Stage2+ maps for the BMW 1M. Maps are available in the BMW AccessPORT Map Database. Simply click the red BETA Maps button, review the acceptance page, and click...

COBB Tuning is excited to announce another update for BMW AccessPORT support. Effective immediately, Australian N54 equipped BMW 135i, 335i, 335is, 335xi, 535i, 535xi, Z4, Z4is and 1M vehicles can take advantage of the power, control and convenience of the AccessPORT that US and European BMW enthusiasts have been enjoying. New AccessPORTs are shipping with pre-loaded performance...

BETA maps for the BMW N54 AccessPORT are now available for download and evaluation. These v4.00 BETA maps were developed to provide smoother response, more power and address the 3k RPM “surge” that some users have been experiencing. In addition, Stage1+FMIC BETA maps have been released for those cars with upgraded intercoolers, but without the...

COBB Tuning is excited to announce big updates for BMW AccessPORT support. Effective immediately, European N54 equiped BMW 135i, 335i, 335is, 335xi, 535i and 535xi vehicles can take advantage of the power, control and convenience of the AccessPORT that US BMW enthusiasts have been enjoying through 2011. The 2010-2011 Z4i and 2011 Z4is also get...

COBB Tuning is proud to announce the long awaited BETA release of our Stage2 and Stage2+FMIC AccessPORT calibrations for AccessPORT equipped BMW vehicles! These maps take our powerful Stage1 calibrations to the next level and are designed for the enthusiast who has stepped up to more power modifications for the 2007-2010 135i, 335i and 535i...

COBB Tuning is proud to announce new calibrations for BMW 135i, 335i and 535i turbocharged performance vehicles. In response to customer feedback, all BMW AccessPORT calibrations are offered with increasing levels of performance. Maps are now available in Drive, Sport and Aggressive configurations. This will simplify AccessPORT map selection and allow drivers to easily tailor...

A BETA firmware update for the BMW AccessPORT is now available from COBB Tuning. This release adds calibration and firmware support for the 2011 BMW 335is, expands the list of datalogging monitors from 19 to 68, and fixes the cruise control bug. This update also fixes the P2FA3 ECU code shown when an AccessPORT is...

During AccessPORT development on the dyno with a 2008 BMW 135i, we had the opportunity to do some back-to-back intake testing on a dual-cone intake (DCI) vs. the stock BMW airbox. The only other modification to the car was a catback exhaust. I used an AccessPORT Off-The-Shelf Stage1 93 Octane v202 calibration for the testing...

COBB Tuning is happy to announce the release of revised Stage1 maps for all BMW AccessPORTs. These new v2.02 maps feature slight revisions to fuel, boost and ignition tuning as well as alternate maps with different throttle calibrations to suit a wider range of drivers. In addition, ACN91 (Arizona, California, Nevada) calibrations have also been...

The AccessPORT for 2007 BMW 335i MT and AT vehicles is now available as a beta release. The same AP-BMW-001 AccessPORT used on 2008-2010 135, 335 and 535 N54 equipped BMW’s will work on 2007 BMW 335i vehicles with a simple firmware update to the latest version. The existing Stage1 calibrations apply to 2007-2010 models....

COBB Tuning is happy to announce AccessPORT support for 2008-2010 BMW 335xi and 535xi. We have tested the AccessPORT on these vehicles to our satisfaction and owners of 2008-2010 335xi and 535xi can now install the current Stage1 calibrations on these vehicles. Both manual and automatic vehicles are supported. Be sure to update your AccessPORT...

Introducing the COBB Tuning AccessPORT for 2008-2010 BMW 135i, 335i and 535i vehicles equipped with the N54 twin turbo engine. The AccessPORT brings hand-held ECU flashing, managing and monitoring convenience to BMW, unleashing untapped power hidden in the ECU with just the push of a button. The AccessPORT lets you quickly reprogram your car’s ECU...