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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 > CAI



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      05-29-2014, 02:50 PM   #1
Tom Martin
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CAI

I have a 335i X. It's a Dinan 3 with stage 2 download, Dinan suspension, Dinan exhaust system, Bridgestone Pole position 255/35ZR 18s front and rear and superlight Enkei wheels.
The car runs super strong but I'm wondering what effect removing the cats and using a CAI will have on my performance.
Please no WEGs, real life experience only.
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      05-29-2014, 03:07 PM   #2
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A CAI will not provide any benefit at your power/boost levels, however a catless DP will net you noticeably more power provided you get tuned for it.
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      05-29-2014, 03:08 PM   #3
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1.) Ditch the Dinan and get a JB4
2.) DP = more power
3.) CAI = negligible
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      05-30-2014, 08:48 AM   #4
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Quote:
Originally Posted by Sidewinderpb View Post
1.) Ditch the Dinan and get a JB4
2.) DP = more power
3.) CAI = negligible

+1
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      05-30-2014, 06:04 PM   #5
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Quote:
Originally Posted by Sidewinderpb
1.) Ditch the Dinan and get a JB4
2.) DP = more power
3.) CAI = negligible
Agree.
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      05-30-2014, 06:39 PM   #6
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Removing the cats will let your car poop better. Get performance intake ( I use BMS) so your car can eat better. Get a JB4 so your car can digest the plentiful food better.
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      05-30-2014, 08:36 PM   #7
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Aren't you the moron that was pontificating in the other thread about how your 335 walks away from your Corvette in a 6th gear pull on the highway?

Go away.

Last edited by CombatNinja; 05-31-2014 at 11:31 AM..
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      05-31-2014, 01:19 AM   #8
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Quote:
Originally Posted by Jsoboti
Removing the cats will let your car poop better. Get performance intake ( I use BMS) so your car can eat better. Get a JB4 so your car can digest the plentiful food better.
Couldn't have explained it better
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      05-31-2014, 12:18 PM   #9
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