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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 JB4 Track Results

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      02-10-2013, 05:51 PM   #1
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N55 JB4 Track Results

Saw these results posted for an N55 E90 335, full weight, step, with a heavier driver. It was his first time racing the car. Half tank of gas on drag radials. Managed an impressive 12.2! Not bad considering the weight and mods, and only 50% race gas. With closer to 104 octane or E85 he'd go even faster. He was using the factory chargepipe and on his 3rd run blew it apart. Just another reminder to upgrade to the Charge Pipe before you ruin a track day or get stranded.

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      02-10-2013, 08:44 PM   #2
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Pretty impressive. Good Job
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      02-11-2013, 01:13 PM   #3
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Wow those N55 CP are really weak!
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      02-11-2013, 02:06 PM   #4
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^^ maybe on purpose to see who's turning up the boost.
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      02-11-2013, 02:23 PM   #5
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Would love to see his IAT's... no FMIC, no meth, and 20+psi ??

Does JB4 ISO do something with IAT compensation? Looks like he's not getting to drastic of ignition retard... I'd assume his IATs would be near 175F at the end of the strip, and that usually coincides with a half dozen degrees pulled out of the timing..

Totally jelly of his 60ft though... I've run 110.5mph before but was a 12.8 because of 1.9 sixties... (and timing pull in top gears..)
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      02-12-2013, 02:00 PM   #6
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very impressive 60 ft...
Current: 2013 335i 6mt msport
BMS Clutch Stop, JB4, Slightly Modified OEM Muffler, ER Downpipe

Past: 2011 335i coupe
369 whp/444 torque. (Procede, Custom Turboback Exhaust, BMS Intake, ER FMIC)
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