Tag Archives: N54

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. … Continue reading

Posted in 135i, 1M, 335i, 335is, 535i, AccessPORT, BMW, Product Updates, Z4i | Tagged , , , , , | Leave a comment

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 … Continue reading

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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 … Continue reading

Posted in 135i, 1M, 335i, 335is, 535i, AccessTUNER Pro, BMW, Product Updates, Vehicles, Z4i | Tagged , , , , , , , | Leave a comment

AskCOBB Episode 2 – BMW Misfire Diagnosis and Repair

The N54 powered BMWs respond amazingly well to 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, … Continue reading

Posted in 135i, 1M, 335i, 335is, 535i, AccessPORT, BMW, Media, Product Updates, Vehicles, Video, Z4i | Tagged , , , , , , , , , , , , , , | 1 Comment

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 … Continue reading

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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 … Continue reading

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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 … Continue reading

Posted in 135i, 335i, 535i, BMW | Tagged , , , , | 3 Comments

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 … Continue reading

Posted in 335i, BMW, Firmware Update | Tagged , , , , | 1 Comment

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 … Continue reading

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