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BMW 3-Series (E90 E92) Forum
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JB4/Mode 1 Downside?
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06-03-2012, 12:36 PM | #1 |
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JB4/Mode 1 Downside?
I'm not seeing any - despite searches of the posts on this forum. I have a 2011 335i sedan with manual transmission. I must confess that I am finding the thrust is a little less than what I like. I am interested in adding a JB4 w/o downpipe and running in Mode 1. Should I expect that the reliability and driveability of the car will be any less than stock? At the boost levels available with Mode 1, is there any need to replace the charge pipe, or is this just needed for more boost/methanol injection?
My view is that if I break something due to the exploitation of the tune, that it is my problem and I will pay for it. If other stuff happens, as we all know it does, BMW takes care of it. Still I wonder how other JB4 N55 cars are holding up, and I have not found that the forum members had anything negative to say. My car will not be tracked at all and I see no reason to go beyond the Mode 1capabilities for my purpose, this being my daily driver. I did consider the PPK when I ordered my car, but my dealer advised against it. He said to wait for the Dinan offering for the N55. NOw that it is here, it does not seem like it delivers much performance for the money, and the replacement for the BMW warranty does not seem to be all roses either. Is there any other solution I should be looking at? |
06-03-2012, 01:10 PM | #2 |
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jb4 map 1 you will be totally fine..
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06-03-2012, 03:21 PM | #3 |
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so if you blow up your engine you will pay for it? Come on man, you are going to delete your codes and take out the Jb4 and take it to the stealership with a look of disblief and have them fix it for you.. :-) with that said, I have jb4 and even map 2 you will be fine. I need map 7 every day all day to feel any power that makes me go wow.
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2011 e90 KW V1, JB4, BMS Dp, BMS Intake, CP, Alpina Flash, ISO, E85
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06-03-2012, 04:11 PM | #4 | |
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06-03-2012, 04:24 PM | #5 |
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You'll be good with Map 1. It won't change your everyday driving. Only when you step on it, it will put a smile on your face. You can even put it on map 0 if you know you don't need it. Changing maps are super easy. Also if anything goes wrong. You take it out and take it in to service with a dumb look on your face like "I don't know what happened?"
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06-03-2012, 05:38 PM | #6 |
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I have an x drive, I also will have to try out procede again since I think I figuered out what my previous issues were.
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06-03-2012, 05:43 PM | #7 |
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Yah I'm really happy with my car right now
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06-03-2012, 07:26 PM | #8 | |
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06-04-2012, 11:26 AM | #9 | |
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On the N54 there are thousands of JB4s out and some have put over 100,000 miles on their cars and everything is holding up well, so I wouldn't worry too much As for the Charge pipe it has cracked on several stock cars so its a toss up. A lot of guys are changing them out prematurely and I make sure to have a few in stock at all times for the emergency situations. Mike |
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06-04-2012, 12:05 PM | #10 |
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Ive had the jb4 for over 6000 miles an had no problems. Switched over to the procede as a gift from friend And it works for me because of not needing a dme update. I'm still a terry/ bms guy at heart. All my supporting mods are bms stuff
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06-04-2012, 10:31 PM | #11 | |
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Sam: Ruining it for the rest of us
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Just because that's what you would do, don't assume the same about me. Take this as an example. I wanted to run on Nordschleife. After considering going the regular rental route, as some do - to be sure, I bought my car as a European delivery. I spent two weeks and 1500 miles breaking MY BMW 335i sedan in gently on the autobahn prior to running it flat out on Nordschleife. I used 100% of the capacity of the car on the track without guilt, as I knew that I would be responsible for the tire wear, the brake wear, and any risk while on track. What happens to the cost of the warrantied engines that are damaged when you go into the stealership with your look of disbelief? It all shows up in increased prices. People who do not take responsibility for their actions just hurt things for the rest of us. Man up. |
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06-04-2012, 10:57 PM | #12 | |
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I am proud of you for being an honest upfront dude, you are their favorite client until you turn your back and dealers will jack up prices anyway because most of them are crooks. Give up your money all day buddy because you man up, keep it real big guy. The prices don't go up because of a tuned blown engine, they go up due to greed and revenue needs. BMW can't simply increase the prices due to competition just like any business. Good luck with jb4 and call your dealer today and report that you have a tune installed and have them void your warranty, man up redz.
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2011 e90 KW V1, JB4, BMS Dp, BMS Intake, CP, Alpina Flash, ISO, E85
Coming soon to the garage: 2014 M3 Maybe M5 Last edited by Sam335ix; 06-04-2012 at 11:13 PM.. |
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06-06-2012, 05:52 PM | #13 |
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I think you should stay with PPK or DINAN since you want to be a man. JB4 will void ur warranty. Since you are an honest guy so they will denied every warranty work on your car though. Good luck.
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06-06-2012, 08:32 PM | #14 | |
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Ruining it for the rest of us
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I am not going to disagree with your statement about most (BMW) dealers being crooks. I am concerned about your suggestion to change the engine mapping by programming or by an add-on tune and then have the dealer believe it is warranty work - that does increase the cost for BMW to do business. If you don't think BMW's warranty cost is eventually passed on to the consumer, you need to think some more. Fly, I am a man. There is no want about it. If I didn't think I could face the music and take care of a broken engine, PPK would be the way to go. Dinan is not an option as it does void parts of the BMW warranty and I am not up for driving or getting towed to a Dinan dealer 4 x as far away. Last dyno information I saw on the Dinan programming for the N55 showed the results to be far less thatn the advertising anyway, making them very expensive in relation to real, measurable results. |
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