BMW Installation Instructions
Install instruction moved here: https://cobbtuning.atlassian.net/wiki/spaces/PRS/pages/204308537/BMW+Installation+Instructions
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BMW 335
BMW
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….
BMW 135
Tuning a BMW
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…
BMW N54 Power Gains
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…
BMW Accesstuner Support Now Available
BMW Accesstuner It’s back! After a brief hiatus, we are excited to announce that BMW Accesstuner is now available. Accesstuner is our software package that allows enthusiasts to create custom calibrations for their Accessport-supported vehicle. New for Accesstuner are features such as Map Compare and Table Filtering! Previously, features like these were limited to our Accesstuner Pro software used…
BMW Updates – New ROM Support and Added Features
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…
New and Improved BMW Charge Pipes for the N54 and N55
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…
How To Determine if the Accessport Works on Your 2012 N55 BMW
Will the Accessport work on my BMW? If the vehicle in question is not listed under the compatibility section beneath the Accessport photos on its product page, the answer is most likely “no.” However, there is an exception. The Accessport AP3-BMW-002 is compatible with N55 BMWs through the 2011 model year. Although BMWs up to…
BMW N55 98H1B ROM Support Now Available
Many N55 BMW owners were updated to a new ROM version during their latest service visit. The ROM update from the dealer resulted in the Accessport no longer being compatible. This affected any 2011 135 or 335 with an N55 engine using the Accessport that received a ROM update from the dealer. Now, this new…
BMW N55 New 98G1B ROM Support Now Available
Many N55 BMW owners were updated to a new ROM version during their latest service visit. The ROM update from the dealer resulted in the Accessport no longer being compatible. This affected any 2011 135 or 335 with an N55 engine using the Accessport that received a ROM update from the dealer. Now, this new ROM…
BMW Accessport and Accesstuner Updates
It’s tough to improve a device that delivers 73hp and 105tq to the wheels over stock within minutes, but, it has happened. To go along with the rest of the BMW’s touchless, keyless, cosseting features, the Accessport will now automatically detect when the engine is on, and turn on, and detect when the engine is…
COBB Releases BMW Stage 1+ Front Mount Intercooler and Stage 2 Downpipe with OTS Map Support
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…
COBB AccessPORT for the 2011 BMW 135, 335i and 335xi
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…
BMW N54 AccessPORT Race & E-30 Maps
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…
BMW N54 AccessPORT v4.01 and v4.02 Maps Promoted to General Release
The v4.01 and v4.02 Off-The-Shelf maps for BMW N54 AccessPORTs have been promoted to General Release. The v4.01 and v4.02 maps now supersede v3.01 maps, which have been archived. COBB Tuning recommends upgrading to the latest version of the maps for optimal performance. These maps can be downloaded from the BMW AccessPORT Off-The-Shelf Map Database….
BMW N54 AccessPORT Now Supports Alternate Fuels
COBB Tuning is proud to announce that BMW N54 AccessPORT users can now tune for alternate fuels, such as E85, with the latest updates in AccessTUNER Race and AccessTUNER Pro tuning software. AccessPORT end-users and professional tuners can quickly update AccessPORT maps to accommodate fuels of different specific energy using the newly added Fuel Scalar…
BMW AccessPORT v4.02 Beta Maps Available – Boost Oscillation Fix
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…
New AccessPORT Beta Maps for BMW 1M
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…
BMW N54 AccessPORT v4.01 BETA Maps Available
We have just released a minor BETA Off-The-Shelf Map update for the BMW N54 AccessPORT. The new v4.01 maps correct the DME logic that was causing DTC P2D59 codes as well as addresses the under-boost issue some vehicles were experiencing. Please note that these are BETA maps and may or may not perform as intended…
AccessPORT Support Now Available for Australian N54 BMW’s
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…
BMW AccessPORT v4.00 BETA Maps Now Available
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…
AccessTUNER Pro Now Available for BMW N54
COBB Tuning is proud to announce the release of AccessTUNER Pro tuning software for AccessPORT equipped BMW N54-powered vehicles. The AccessPORT is the only hand-held OEM ECU flashing, managing and monitoring device available for N54 equipped BMWs, and when combined with AccessTUNER Pro software, the result is a groundbreaking, dyno-tunable engine management system with all…
AskCOBB Episode 2 – BMW Misfire Diagnosis and Repair
The N54 powered BMWs respond amazingly well to BMW tuning, but the increased power has caused some owners to experience misfire issues. Trouble shooting and repairing a BMW can seem like a daunting task with things like an advanced electrical system, specialized tools, and intimidating engine covers. But, diagnosing and repairing the typical misfire is…
COBB Tuning Insider – Rob Irish, BMW Extraordinaire
Step 1: Plug the AccessPORT in. Step 2: Wait 20 minutes. Step 3: Smash the gas pedal and feel your extra horsepower. Just like an iPod, the AccessPORT seems so simple. But going from a cold metal Engine Control Unit sitting on your desk to the sleek plug and play AccessPORT takes more than just…
New BMW AccessPORT Calibrations, Firmware and Features Available
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…
BETA Firmware Update for BMW AccessPORT: 2011 335is Support and Huge Datalogging Updates
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…
New AccessPORT Maps for BMW N54 Automatic Vehicles
COBB Tuning is happy to announce a new firmware update which includes new mapping for all automatic BMW 135i, 335i and 535i vehicles. These maps address the “rough shift” and poor shifting experienced by some users during full throttle driving and shifting at redline. This update also adds more ROM support to the AccessPORT. Users…
COBB AccessPORT for 2007 BMW 335i
Introducing the COBB Tuning AccessPORT for 2007 BMW 335i vehicles equipped with the N54 twin-turbo engine. The 2007 BMW 335i now joins the ranks of other AccessPORT supported N54 twin-turbo equipped BMW’s, including the 2008-2010 135i, 2008-2010 335i and 2008-2010 535i RWD and AWD models. The AccessPORT brings hand-held ECU flashing, managing and monitoring convenience…
Tech Tidbit: BMW N54 Stock Air Box vs. DCI
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…
BMW AccessPORT Calibration Updates!
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…
2007 BMW 335i BETA AccessPORT Available Now!
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….
New Firmware Update for BMW AccessPORTs
A new firmware update is available for all BMW AccessPORTs. This update adds support for a couple of ECUs that were not covered in the last release as well as fixes some minor issues with automatic transmission equipped vehicles relating to throttle hesitation and shifting issues. It also adds new features to the AccessPORT for…
Minor Firmware Update for BMW AccessPORTs Available Now!
As promised, we have released a firmware update to all BMW AccessPORTs. What’s more, Rob has been working very hard to implement all the ROMs he has received to date and we are able to include this support ahead of schedule! If you are still awaiting confirmation of support for your 335i or 135i, this…
BMW 335xi and 535xi AccessPORT Support Now Available!
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 08-10 BMW 135i, 335i & 535i Vehicles!
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…
Coming soon to a BMW near you…
Installation Instructions
Click your vehicle make below to find installation documentation and videos:
Milestones
2012 Accesstuner Pro Speed Density Released for 2.5L Turbocharged Subarus in January. CP-E Selects COBB Tuning Accessport as Primary Engine Management Solution for MAZDASPEED and BMW. 2011 Accessport for 08-10 BMW 135i, 335i & 535i Released in January. COBB Tuning SF Intake for 2008+ Subaru STI, WRX and Impreza 2.5GT Released in February. COBB Tuning…
About
COBB Tuning is an automotive engineering company founded in Rockwall TX by Trey COBB in 1999. We are dedicated to developing solutions that improve vehicle performance and the driving experience. COBB Tuning approaches design by taking the entire vehicle-platform into account as a complete system. Our ultra-high-quality products and services are professionally engineered, thoroughly tested…
Careers
COBB TUNING COBB Tuning is an automotive engineering company founded in Rockwall TX by Trey COBB in 1999. We are dedicated to developing solutions that improve vehicle performance and the driving experience. COBB Tuning approaches design by taking the entire vehicle-platform into account as a complete system. Our ultra-high-quality products and services are professionally engineered,…
Support
Accessport Help & How To: Accessport Connection Issues Accessport How To Guides Buying a Used Accessport How to Connect your Wideband to Accesstuner Software In Use Performance Tracking – Factory Diagnostic Tool Function Accessport Manager Manual Customizable Startup Screen Setup Data Log Presets How To:Read and Clear Vehicle Codes (DTC/CEL/Vehicle Memory) General Automotive Information and…
Warehouse Production Assistant
LOCATION: AUSTIN, TX Headquartered in Austin, Texas, COBB is an enthusiast-driven automotive performance and technology company dedicated to providing the world’s best vehicle tuning solutions to owners of turbocharged performance vehicles. COBB currently supports small displacement, forced induction vehicles in Subaru, Mazda, Nissan, BMW, Porsche, Ford, Volkswagen, and Mitsubishi platforms. COBB prides itself on having…
DIY With COBB Tuning
Our offices will continue to be closed to customers, external vendors and visitors through the month of May. Beginning Monday, March 16th, our Customer Support team has been answering your calls and emails from their homes. It is essential that we continue to provide the COBB-like support you have learned to expect from us. With all of that…
How to Tune a Car
How to Tune a Car Tuning can mean a lot of different things in the world of cars. Most would want to know how to tune a car to make changes to how your engine operates for some sort of benefit. Even with this more precise definition we still have a wide range of what tuning…
Tuning a Volkswagen
Tuning a Volkswagen Most owners know by now that tuning a Volkswagen is one of the best bang for your buck modifications you can make. But, lesser known is how exactly to tune a Volkswagen. There are many ways accomplish tuning your Volkswagen. These can be incredibly complicated and involve knowing how to tune a car. …
Tuning a Subaru
Tuning a Subaru Most owners know by now that tuning a Subaru is one of the best bang for your buck modifications you can make. But, lesser known is how exactly to tune a Subaru. There are many ways accomplish tuning your Subaru. These can be incredibly complicated and involve knowing how to tune a car. Whether…
Tuning a Mustang EcoBoost
Tuning a Mustang EcoBoost Most owners know by now that tuning a Mustang EcoBoost is one of the best bang for your buck modifications you can make. But, lesser known is how exactly to tune a Mustang EcoBoost. There are many ways accomplish tuning your Mustang. These can be incredibly complicated and involve knowing how…
USDM, JDM, EDM….ADM… What does it mean?
A common problem we often help costumers figure out is, what “Domestic Market” their car belongs to and how it affects their ability to purchase aftermarket parts. This is especially important for tuning because in many cases, the car will use various versions of software on the ECU or even different hardware for separate markets even…
Mitsubishi Accesstuner Support Now Available
Mitsubishi Accesstuner It’s back! After a brief hiatus, we are excited to announce that Mitsubishi Accesstuner is now available. Accesstuner is our software package that allows enthusiasts to create custom calibrations for their Accessport-supported vehicle. New for Accesstuner are features such as Map Compare and Table Filtering! Previously, features like these were limited to our Accesstuner…
Nissan GT-R Accesstuner Now Available
Nissan GT-R Accesstuner It’s back! After a brief hiatus, we are excited to announce that GT-R Accesstuner is now available. Accesstuner is our software package that allows enthusiasts to create custom calibrations for their Accessport-supported vehicle. New for Accesstuner are features such as Map Compare and Table Filtering! Previously, features like these were limited to our…
2015-2017 Subaru WRX Flex Fuel Now Available!!
Earlier this year we were able to release COBB Custom Features for the 2008+ WRX and STI. The most sought-after feature in that release was the ability to create true Flex Fuel calibrations for your car. Gone are the days of having to switch calibrations every time you visit the gas pump. The Flex…
Mazdaspeed Accesstuner Now Available
Mazdaspeed Accesstuner It’s back! After a brief hiatus, we are excited to announce that Mazdaspeed Accesstuner is now available. Accesstuner is our software package that allows enthusiasts to create custom calibrations for their Accessport-supported vehicle. New for Accesstuner are features such as Map Compare and Table Filtering! Previously, features like these were limited to our…
Subaru Accesstuner Now Available
Subaru Accesstuner It’s back! After a brief hiatus, we are excited to announce that Subaru Accesstuner is now available. Accesstuner is our software package that allows enthusiasts to create custom calibrations for their Accessport-supported vehicle. New for Accesstuner are features such as COBB Custom Features, Map Compare and Table Filtering! Previously, features like these…
COBB Tuning
COBB Tuning is an automotive engineering company founded in Rockwall TX by Trey COBB in 1999. We are dedicated to developing solutions that improve vehicle performance and the driving experience. COBB Tuning approaches design by taking the entire vehicle-platform into account as a complete system. Our ultra-high-quality products and services are professionally engineered, thoroughly tested…
COBB Recap: Big Northwest and The Shootout
The COBB Team travels to several events all over the country throughout the year. Over the last two weekends we visited Portland, Oregon for the Big Northwest meet and Norwalk, Ohio for The Buschur Shootout. These events give us the opportunity to witness COBB products in action, see the latest trends and builds, visit with other vendors and…
Porsche Power : 997 Stock Turbo 60-130mph Record
The measurement of time it takes for a car to accelerate from 60mph to 130mph has become increasingly more popular over the past few years. This method of measuring acceleration creates a real-world benchmark that can be exercised universally. Recently, with the help of proTUNING Freaks and our Porsche Lead Calibrator, Mitch Mckee, Greyson was…
ECU Reverse Engineer I or II
SUMMARY: An entry to mid level reverse engineering position. Exercise knowledge in reverse engineering skills ranging from processor, software binary and security vulnerability analysis to programming in various languages, and to experience working independently with general supervision. Be a part of the team that leads the automotive aftermarket in understanding factory engine management systems. Applicable candidates…
COBB Releases – January 2013
COBB is proud to announce performance and suspension part releases for January, 2013! COBB BMW 1-Series Springs – The best first step to a better handling AND looking car! Click for more pictures and details. COBB BMW 1 & 3-Series Anti-Sway Bars – This perfectly balanced kit reduces body roll, sharpens turn-in response, and reduces…
COBB Tuning SoCal Featured Guest Tuner – Tim Bailey
COBB Tuning SoCal proudly announces that Tim Bailey, Sr. Research and Development Tuner for COBB Tuning, will be performing custom dyno tuning at the COBB Tuning SoCal facility for a limited time! Performance enthusiasts in Southern California can now take advantage of Tim’s extensive tuning experience as one of COBB Tuning’s top engine calibrators. Dyno…
i-MOTO Racing Dominates Daytona with AccessPORT Tuned MS3
In the opening round of the Grand-Am Continental Tire Sports Car Championship at Daytona International Speedway, i-Moto Racing dominated the ST field with a 1st, 4th, and 5th places finishes using COBB Tuning AccessPORT tuned MAZDASPEED3s. Rookie driver Jayson Clunie and five time World Challenege Touring Car champion Pierre Kleinubing took 1st place in a…
CP-E Teams up with COBB Tuning
COBB Tuning is excited to share the news that CP-E has chosen the AccessPORT as their primary tuning solution for MAZDASPEED and BMW platforms. CP-E MAZDASPEED and BMW customers will now be able to acquire the most powerful and easiest to use handheld ECU flashing device, the AccessPORT, direct from CP-E. In addition, CP-E joins…
COBB AccessPORT Updates for Europe, Z4i, Z4is, 1M and New Stock Throttle Stage2+ Maps
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 AccessPORT BETA Stage2 Maps Available
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…
Photo Courtesy of GotCone.com It has been a long, cold, snow-filled winter for most of us and that means few opportunities for motorsports events. However, with the coming of spring means the big thaw and once again, petrol heads are filling parking lots full of cones. That’s right, autocross season is upon us! COBB Tuning…
COBB Tuning at the TX2K11, Super Car Meet and Shootout!
COBB Tuning is busy getting ready for the TX2K11, a national exotic car meet which will be held at the Lonestar Motorsports Park in Sealy, TX this weekend Thursday March 17th through Sunday the 20th. The TX2K is a big power slug fest, which started as a Supra-only meet and has grown to include super…
Dylan’s Donation Drive Results and AccessPORT Winners
First of all, thank you to everyone that donated funds and/or well wishes to this cause to help out the Levy’s through this difficult time. The outpouring of support from each of the communities has been inspiring. Thanks to the generous car enthusiasts in these communities, together we raised over $8,000 to help the Levy’s…
Dylan’s Donation Drive – Win an AccessPORT!
NOTE: The Dylan Donation Drive to win an AccessPORT has come to a close. Together we raised over $8,000 for this cause and six lucky folks won AccessPORTs! If you would still like to donate to the Levy’s, please visit the Dylan Levy Donations page to contribute via PayPal. Thank you everyone for your overwhelming…
COBB Tuning Motorsports Victorious at Willow Springs!
The COBB Tuning Motorsports Team once again proved the power of stock ECU tuning with the COBB Tuning AccessPORT by scoring two first place wins in class as well as an overall win in the Modified AWD class. Brian Lock rocketed the COBB Tuning Motorsports GT-R to a first place win in the Modified AWD…
Exclusive – Nissan GT-R Ferodo DS2500 Pads
COBB Tuning announces the immediate availability of Ferodo DS2500 brake pad for the Nissan GT-R R35. COBB Tuning is proud to be the exclusive provider of Ferodo DS2500 front and rear brake pads for the GT-R in the United States. The DS2500 pads are specifically designed for high performance street and track day enthusiasts, providing…
Preparing for SEMA – 2008 G37
For this year’s SEMA show, we plan on displaying a Infiniti (Nissan) vehicle along side our new Subaru vehicle. We started tinkering with the Nissan 350Z when they hit showroom floors back in 2003. We actually designed and tested several parts then, but lacked the ability to produce/support them due to lack of resources. The…