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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Rb's with just jb4



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      08-14-2014, 08:56 AM   #23
boo5t3d
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I was looking into a catted dp but I'm not really looking for power. I just couldn't stand the "tin cans rattling" everytime I go for a drive. I went rb's because I bought them from a member and I had very little wait time since my car was already at the shop. I was gonna go Vargas just for the upgraded wgs but there was a 3 month wait and I wasn't willing to wait that long without a car so I paid extra and got these
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      08-14-2014, 09:02 AM   #24
Pr335bob
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[QUOTE=Wes335XI;16440406]This is great. I'm not the only one that did this. I'm running map 3 and map 5 on the JB4 until I can also get the backend from Wedge or BMS. Car runs great and no more shitty rattle. I also love the sound of these spooling, even on start up you can hear them as she warms up. Winter is going to be fast approaching, so it's something I'll plan for next year. Car ran a 12.2@115 using map 3. Once the tune comes, 11.7 @ 125+ would be my goal.

The WG's were in pretty bad shape just after 50K on the OEM turbos.[/QUOTE

Your getting those number with any e85 or anythingn? Just fbo
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      08-14-2014, 11:26 AM   #25
Wes335XI
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[QUOTE=Pr335bob]
Quote:
Originally Posted by Wes335XI View Post
This is great. I'm not the only one that did this. I'm running map 3 and map 5 on the JB4 until I can also get the backend from Wedge or BMS. Car runs great and no more shitty rattle. I also love the sound of these spooling, even on start up you can hear them as she warms up. Winter is going to be fast approaching, so it's something I'll plan for next year. Car ran a 12.2@115 using map 3. Once the tune comes, 11.7 @ 125+ would be my goal.

The WG's were in pretty bad shape just after 50K on the OEM turbos.[/QUOTE

Your getting those number with any e85 or anythingn? Just fbo
Just FBO + Meth. I'm on shitty ass 90 octane up in Alaska unfortunately and we'll probably never see E85 up here...
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      08-19-2014, 12:52 AM   #26
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What exactly is the thrust upgrade on rb's and is it really needed?
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