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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 > Anyone running jb4 on a 335is



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      04-19-2012, 12:11 AM   #1
//Mike AY
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Anyone running jb4 on a 335is

Anyone running JB4 on a stock 335is? How do u like it? Do u feel a big difference? What kind on numbers are you getting?
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      04-19-2012, 06:09 AM   #2
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just buy it! you wont be dissapointed
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      04-19-2012, 06:13 AM   #3
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my friend running jb4 on his 2007 335i coupe so far he is impressed with the outcome of the jb4 he told me it was worth every penny
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      04-19-2012, 08:48 AM   #4
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I'm running JB4 and DCI on my 335is. I HIGHLY recommend it. I have had no problems with it, and I am dusting similarly modded regular 335i. There are new specific settings for the 335is for the JB4 that are night and day. On the dyno I hit around 365 hp without the new settings and I've hit 12.5 on the strip.
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      04-19-2012, 10:02 AM   #5
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Quote:
Originally Posted by lutfi001
I'm running JB4 and DCI on my 335is. I HIGHLY recommend it. I have had no problems with it, and I am dusting similarly modded regular 335i. There are new specific settings for the 335is for the JB4 that are night and day. On the dyno I hit around 365 hp without the new settings and I've hit 12.5 on the strip.
Nice, how much torque are u getting?? Did u have to add the charge pipe?
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      04-19-2012, 10:58 AM   #6
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365whp/375ftlbs on old map with no other add-ons. Now have the new IS Map 6 & a FMIC installed. Car is quite a bit stronger but has not been retested yet.

For $500 is a great deal considering it will take you up to the mid 400whp's with some bolt ons
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      04-19-2012, 11:28 AM   #7
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Quote:
Originally Posted by Mike335is View Post
Nice, how much torque are u getting?? Did u have to add the charge pipe?
I couldn't get a correct read on the torque on the dyno for some reason. But like Bear said, 375 is probably around what I got.
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      04-19-2012, 11:57 AM   #8
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Quote:
Originally Posted by BEAR-AvHistory
365whp/375ftlbs on old map with no other add-ons. Now have the new IS Map 6 & a FMIC installed. Car is quite a bit stronger but has not been retested yet.

For $500 is a great deal considering it will take you up to the mid 400whp's with some bolt ons
Which fuel octane do u use??
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      04-19-2012, 12:00 PM   #9
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Quote:
Originally Posted by BEAR-AvHistory
365whp/375ftlbs on old map with no other add-ons. Now have the new IS Map 6 & a FMIC installed. Car is quite a bit stronger but has not been retested yet.

For $500 is a great deal considering it will take you up to the mid 400whp's with some bolt ons
I also only have an out 900 miles on the car when do u think its a safe time to put it? Did u ever take ur car for service with it?if so Did they give u a hard time??
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      04-19-2012, 12:12 PM   #10
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Quote:
Originally Posted by Mike335is
Quote:
Originally Posted by BEAR-AvHistory
365whp/375ftlbs on old map with no other add-ons. Now have the new IS Map 6 & a FMIC installed. Car is quite a bit stronger but has not been retested yet.

For $500 is a great deal considering it will take you up to the mid 400whp's with some bolt ons
I also only have an out 900 miles on the car when do u think its a safe time to put it? Did u ever take ur car for service with it?if so Did they give u a hard time??
I would wait until your first oil change
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      04-19-2012, 12:22 PM   #11
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Quote:
Originally Posted by alnk1015
Quote:
Originally Posted by Mike335is
Quote:
Originally Posted by BEAR-AvHistory
365whp/375ftlbs on old map with no other add-ons. Now have the new IS Map 6 & a FMIC installed. Car is quite a bit stronger but has not been retested yet.

For $500 is a great deal considering it will take you up to the mid 400whp's with some bolt ons
I also only have an out 900 miles on the car when do u think its a safe time to put it? Did u ever take ur car for service with it?if so Did they give u a hard time??
I would wait until your first oil change
Whaat first oil change is in a year according to bmw
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