12-09-2014, 10:55 AM | #1 |
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Just installed BMS Stage 1 - Impressions and Install Tips! Must Read - UPDATED!
So I got my BMS Stage 1 yesterday, got home from Manhattan at 9:30 and immediately went to install it last night. It took a while but doing it a second time I am confident things would go a lot faster (as most people say)
Getting the connectors off was quite literally impossible without using the screw driver for assistance. No matter how hard I pressed they just did not want to come lose. Once I figured out how to get them out with the driver it took all of about 3 seconds. Here's the next thing. At some point BMW added a cover to the place that I have so eloquently put some red marks around in paint. This cover requires a T20 torx bit to remove. Here's another tip: When removing the plastic cover that covers the brake fluid reservoir (and the place where you will put the jb4), make sure to turn those little plastic nuts, this is release the clips holding it in and makes it come out a lot easier. Just turn them back when you put the cover back on. There are markers indicating that its in the proper spot. Now, as for the tune itself: I noticed an immediate power increase. The tune has woke up the car to where it really should be from the factory. The power delivery is smooooooth. Unfortunately I couldn't open up too much on the highway today but driving around town last night I was able to easily feel the improvement in acceleration. I will update this as time goes on and after I get a chance to do some proper pulls with it in. UPDATE (4 days with tune): I finally had some time to push the car yesterday and really experience what this tune is doing for me. I have to say I'm extremely impressed. My main issue with this car is that the power feels like its gone once you hit 5th gear and higher, there's just no power to accelerate. If you were on the highway and wanted to pass someone the car would always have to downshift because it simply doesn't have the power in the higher gears. THIS IS NOT THE CASE ANYMORE! I tested by driving in in manual mode and now when in 5th, 6th, and even 7th gear I do not need to downshift any more to get power from the car. There is now a noticeable pull in 5th and 6th and even some pull in 7th. I did not have to downshift to accelerate or pass anymore. I also had a few BMW Genius friends of mine drive the car and they were extremely impressed, he said it felt damn near close to a 335 which he drives almost daily. All in all this tune is definitely worth the $379 brand new, it breathes new life into your 328.
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12-09-2014, 12:04 PM | #3 |
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Definitely can agree with that
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12-10-2014, 12:22 PM | #5 | |
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Looking at page 14 it does appear that the wires are underneath the weather seal, as opposed to passing through the overlapping section. Hmm.. |
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12-10-2014, 12:27 PM | #6 | |
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12-10-2014, 12:30 PM | #7 | |
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12-10-2014, 12:31 PM | #8 | |
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The new plastic box is an annoying addition though.
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12-10-2014, 12:32 PM | #9 | |
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Last edited by S4NoMore; 12-11-2014 at 11:30 AM.. |
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12-10-2014, 12:41 PM | #10 |
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no it really doesn't. I mean its obvious you can see all the wires. anyone with two eyes who has ever worked on a BMW will notice. The plastic box is just there for extra weatherproofing I assume. Ill take a pic.
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12-10-2014, 03:21 PM | #12 | |
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12-12-2014, 09:34 AM | #14 |
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Updated with review after a few days
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12-12-2014, 11:10 AM | #15 |
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I have the BMS stage 1 and love it. I just can't decide if I should spring for the JB4 upgrade.
Any thoughts from people with it installed? Particularly with regard to the trade off between longevity of the engine and performance. |
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12-12-2014, 11:48 AM | #16 |
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IMO you should only get Stage 2 if you plan on doing supporting mods or want to run e85/meth.
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12-12-2014, 12:17 PM | #17 |
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That's what I thought. But someone told me it is great with 93 octane and map 2.
In reality I basically am not interested in doing to much to this car. I have an intake and a the stage 1 tune. May do the cat back exhaust in the future but not really looking to mod much more than that. |
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12-12-2014, 12:23 PM | #18 | |
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12-12-2014, 12:28 PM | #19 |
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To be honest I don't know. I will look into it.
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12-12-2014, 07:05 PM | #20 |
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What do you mean about being the same? There are a lot of characteristics involved to consider it to be the same.
On the other hand, it is very similar. Both run the same PSI I believe, that's if stock boost is in fact 17psi. The minor differences would be in that map 2 needs "exhaust modifications", quoted from BMS. I believe this refers to having a DP but not positive. And then there are the other pro's to the JB4 over the Stage 1. |
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12-12-2014, 08:00 PM | #21 |
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I am guessing maybe stage 1 with +4psi and race gas is the setting for the stage 1 race gas dyno on their web site. Also I guess that the 4.9s for 0-60 they claim might have been obtained from +4psi with race gas or close setting.
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12-12-2014, 08:02 PM | #22 | |
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