335i VRSF Catless Downpipes + Vanguard Exhaust!
This is my 335i! VRSF 3" Catless Downpipes, Vanguard Exhaust and JB+ tune.
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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, specialized tools, and intimidating engine covers. But, diagnosing and repairing the typical misfire is fairly straight forward, and COBB Tuning can show you how!
Autoscope: Audi RS4 Dyno - Carbon Removal
http://www.autoscope.net/ Audi RS4 with carbon build up on the valves. Autoscope removed the intake manifold and cleaned the carbon build up to allow the car to run as intended. Dyno runs were made before and after the cleaning to test the effects of the build up, and to test the results of the cleaning. An additional 27hp and 15ft-lbs is very significant!!
Autoscope: Foreign Car Care. Personalized. Located in Dallas and Plano, TX Autoscope has been serving Dallas for 30 years! This was filmed on our MustangDyno in Dallas.
335i JB4 E85 Dyno.MOV
400whp/420tq, first time Dyno run. 2007 BMW 335i AT. Mods = JB4 (Map 5), catless downpipes, DCI, 30/70 E85/93oct fuel mix.
Dyno slip and engine logs can be found here: http://www.n54tech.com/forums/showthread.php?t=17534
335i JB4 vs 335i Procede
E90 - description is in the video
E92 - description in video (also has a passenger and a bad clutch)