BMS vs Dinan stage 1

[ChrisNich117]

Just took out my BMS tune and had the dinan S1 tune for the comp pack.

No comparison, the Dinan tune is the real deal and holy crap does it pull hard. I almost think the BMS was more of a placebo effect.

Was going to do the Dinan CAI but everything I've read tells me that it's more eye candy then anything. I removed my charcoal filters too. The tune is way more than enough power. I wouldn't even bother with the stage 2 since this thing is just at the limit with MDM on. I don't know why it needs to be any crazier. I like maintaining the handling precision rather than turning this thing into a drag racer. I applaud all you crazies with 800+ HP because I don't know how you can keep it on the road

The Bluetooth is also pretty damn cool. When you switch from bypass to S1 you can hear things moving about and changing in the engine. Pretty upset I didn't just get this from the start.

I know Dinan wasted an insane amount of money trying to crack the Bosch code making this thing crazy expensive, but kudos to them. I'm done modifying my car lol.

Also drove a Dinan stage 2 m4 with their CAI and that thing was just perfect. Not as fast as my m5 now but if I was stock I think it would be identical to a stock cp M5. Maybe a good car to get in between waiting for the next gen m5 LCI.

And a question! If BMW is keeping this same engine for the next m5, could I reuse this dinantronics box for the next m5 or is it still too early to tell?

[Northern X5M]

What setting did you run your BMS at?
BMS set to 3.5 was good for 11.56 @ 122 for me on a so-so run. I only ran twice at the track at 3.5. I think most agree that the BMS really comes alive at 3.5+
I felt the car was good for 11.4's with the BMS at that setting, but I switched to the ESS flash tune before I got anymore runs with the BMS.
I agree that a dinan stage 1 is probably more than enough power, but some of us are beyond reasoning with.

[ChrisNich117]

Originally Posted by Northern X5M

What setting did you run your BMS at?
BMS set to 3.5 was good for 11.56 for me on a so-so run. I only ran twice at the track at 3.5. I think most agree that the BMS really comes alive at 3.5+
I felt the car was good for 11.4's with the BMS at that setting, but I switched to the ESS flash tune before I got anymore runs with the BMS.
I agree that a dinan stage 1 is probably more than enough power, but some of us are retarded and beyond reasoning with.

I had it set at the recommended stage 1 settings which were comparable to the dinan tune's increase in power. I had a friend make sure that it had the latest firmware update and all that stuff since I bought it from him after his eurocharged tune. All the BMS tune does is add a few pounds of boost but doesn't account for all the other variables. And how could it?

The dinan system plugs right into both the DME's and it feels like a factory car with more power. It does what a flash tune does but as a piggy back. I wouldn't even call it a piggy back, it's like an ECU supercharger lol. I look at it just like over clocking a cpu processor or gpu processor. Everything the DME's do, the box amplifies. The BMS tune just sends false singles to overcompensate for boost pressure.

I think people are getting much more from down pipes then they think they are getting in combination with the BMS tune. Most if not everyone is running down pipes with their BMS tune. I'm extremely skeptical if I really had any gains. Every drag strip video I've seen has always been with down pipes, or down pipes and an intake. Haven't seen anyone with just the tune. Someone on here was running 126mph trap speeds with a stock CP car.

I've felt some power a handful of times with the BMS tune but its so random. So with that extra boost it really doesn't do much at all if the other variables aren't in congruence to have that consistency. There's just no comparison.

If you're running meth mixtures I guess that compensates for the tune's inability to regulate the air fuel mixture, but otherwise it was a placebo effect for me. I'm giving it to a friend with an m6 and we'll turn up the boost a bit more and experiment. But all in all its a different animal.

[schnell1982]

Originally Posted by ChrisNich117

Just took out my BMS tune and had the dinan S1 tune for the comp pack.

No comparison, the Dinan tune is the real deal and holy crap does it pull hard. I almost think the BMS was more of a placebo effect.

Was going to do the Dinan CAI but everything I've read tells me that it's more eye candy then anything. I removed my charcoal filters too. The tune is way more than enough power. I wouldn't even bother with the stage 2 since this thing is just at the limit with MDM on. I don't know why it needs to be any crazier. I like maintaining the handling precision rather than turning this thing into a drag racer. I applaud all you crazies with 800+ HP because I don't know how you can keep it on the road

The Bluetooth is also pretty damn cool. When you switch from bypass to S1 you can hear things moving about and changing in the engine. Pretty upset I didn't just get this from the start.

I know Dinan wasted an insane amount of money trying to crack the Bosch code making this thing crazy expensive, but kudos to them. I'm done modifying my car lol.

Also drove a Dinan stage 2 m4 with their CAI and that thing was just perfect. Not as fast as my m5 now but if I was stock I think it would be identical to a stock cp M5. Maybe a good car to get in between waiting for the next gen m5 LCI.

And a question! If BMW is keeping this same engine for the next m5, could I reuse this dinantronics box for the next m5 or is it still too early to tell?

I agree with you.
My friend has a Dinan stage 2 F06 M6 and he had BMS stage 1 prior set to 3.5 with no cats and full exhaust
The Dinan is far superior then the BMS in all aspects of performance and drivability. Even the transmission shifts smoother with the BMS removed.
The BMS is what it is...a cheap way for someone to add performance but it is completely different then what the Dinantrnoics can do.
Aside from a full ECU flash, Dinan is the best on the market

[13M5F10]

I agree that DINAN does feel overall better than BMS as BMS only increases boost and doesn't make any adjustments to the other parameters. I do disagree though that BMS doesn't make power. At 3.5-4 psi, the car does make more power over stock and DINAN Stage 1 & 2 without the down pipes. Having owned the BMS unit and driven several DINAN cars, I prefer DINAN over JB4.

I ended up going to Eurocharged and getting a tune as I wanted to take advantage of the mods I have and push the car further. I then changed from. Eurocharged to MSR Stage 2. Couldn't be happier. The car is an absolute monster!

[13M5F10]

Originally Posted by ChrisNich117

Just took out my BMS tune and had the dinan S1 tune for the comp pack.

No comparison, the Dinan tune is the real deal and holy crap does it pull hard. I almost think the BMS was more of a placebo effect.

Was going to do the Dinan CAI but everything I've read tells me that it's more eye candy then anything. I removed my charcoal filters too. The tune is way more than enough power. I wouldn't even bother with the stage 2 since this thing is just at the limit with MDM on. I don't know why it needs to be any crazier. I like maintaining the handling precision rather than turning this thing into a drag racer. I applaud all you crazies with 800+ HP because I don't know how you can keep it on the road

The Bluetooth is also pretty damn cool. When you switch from bypass to S1 you can hear things moving about and changing in the engine. Pretty upset I didn't just get this from the start.

I know Dinan wasted an insane amount of money trying to crack the Bosch code making this thing crazy expensive, but kudos to them. I'm done modifying my car lol.

Also drove a Dinan stage 2 m4 with their CAI and that thing was just perfect. Not as fast as my m5 now but if I was stock I think it would be identical to a stock cp M5. Maybe a good car to get in between waiting for the next gen m5 LCI.

And a question! If BMW is keeping this same engine for the next m5, could I reuse this dinantronics box for the next m5 or is it still too early to tell?

By the way, what is the Bluetooth and bypass you are talking about? Thanks

[ChrisNich117]

Originally Posted by 13M5F10

By the way, what is the Bluetooth and bypass you are talking about? Thanks

The dinantronics module works with a Dinan app you can download for your I phone. The bypass is there if your vehicle needs to go through emissions testing so the car goes back to factory settings.

[Msizzle]

Dinan is still a piggy back, ONLY the ecu can control boost pressure so the only way to change that number is by sending false signals,unless the ecu is reprogrammed. Pretty much the same with any other parameter it can change, the unit interrupts data and changes or modifies the information.

[M5Rlz]

Originally Posted by Msizzle

Dinan is still a piggy back, ONLY the ecu can control boost pressure so the only way to change that number is by sending false signals,unless the ecu is reprogrammed. Pretty much the same with any other parameter it can change, the unit interrupts data and changes or modifies the information.

I'll just wait for the guy who set the F10 1/4 record with BMS to chime in lol

[ChrisNich117]

Originally Posted by Msizzle

Dinan is still a piggy back, ONLY the ecu can control boost pressure so the only way to change that number is by sending false signals,unless the ecu is reprogrammed. Pretty much the same with any other parameter it can change, the unit interrupts data and changes or modifies the information.

That's not being argued anywhere along this thread. Obviously it's a piggy back. I'm simply sharing my experience having now owned both.

[allmotor_2000]

What are you guys talking about? BMS S1 may make a few HP less than the Dinan or feel less smooth until adapted... but I still disagree. And for still 5-6x less than the Dinan switch to the BMS S2+BCM; like going from a civic to an NSX. You are paying $3-4K for IC's and tuning - neither BMS nor Dinan makes IC's. They are essentially the same set of HW, just packaged differently. And trust me BMS knows way more about FI BMW's than Dinan. I have seen the Dinan setup and a proper comparison is the BMS S2 which monitors WAY more (via CANBUS) than what the Dinan can see. Furthermore, BMS S2 actually controls boost via the wastegates.

I would still state that you need a base flash map first especially if you intend to boost high, but for 18-20psi, not needed.

[allmotor_2000]

Also question to the OP - was your BMS configured right? Having the wrong settings will render it useless.

And what do you 'hear' when switching from bypass to S1? If I heard anything from the engine when switching electronic targets, I would be very worried!

[boots]

Last year I did a review on the two tunes w my car and spinnys. Do a search to help w your review

[ChrisNich117]

Originally Posted by allmotor_2000

Also question to the OP - was your BMS configured right? Having the wrong settings will render it useless.

And what do you 'hear' when switching from bypass to S1? If I heard anything from the engine when switching electronic targets, I would be very worried!

Pretty sure it's an exhaust valve. Might have also been something coincidental with the cold start. I'm not worried. Unlike the BMS I have a warranty lol. Not trying to build a drag racer here. I'm sure the BMS can turn up the power way more because you can input whatever you want on it, but what does that do for you on a track for which the car was designed. The car has a perfect balance of useable power within the safe limitations of the other stock components. Dinan is very track oriented which is what BMW's M division is all about.

[Spinny02]

Originally Posted by allmotor_2000

What are you guys talking about? BMS S1 may make a few HP less than the Dinan or feel less smooth until adapted... but I still disagree. And for still 5-6x less than the Dinan switch to the BMS S2+BCM; like going from a civic to an NSX. You are paying $3-4K for IC's and tuning - neither BMS nor Dinan makes IC's. They are essentially the same set of HW, just packaged differently. And trust me BMS knows way more about FI BMW's than Dinan. I have seen the Dinan setup and a proper comparison is the BMS S2 which monitors WAY more (via CANBUS) than what the Dinan can see. Furthermore, BMS S2 actually controls boost via the wastegates.

I would still state that you need a base flash map first especially if you intend to boost high, but for 18-20psi, not needed.

I have owned both. You are Incorrect by saying the hardware is the same, it's not. Lots of differences in hardware and harness.

[allmotor_2000]

Originally Posted by Spinny02

I have owned both. You are Incorrect by saying the hardware is the same, it's not. Lots of differences in hardware and harness.

By HW, its the principal of operation. Dinan probably runs an FPGA in their box while BMS is less sophisticated. Then again an FPGA doesn't cost that much and we are talking Flexray or canbus frequencies... don't need to get all crazy with the HW. You need to either intercept or modify a low frequency signal based on other inputs within the system. The firmware is likely more important than the HW. To my point, having 1000's of N-series and now a growing F-series base, I'd say BMS edge's Dinan on the experience side for FI BMW. Then again Dinan has been around for a while and does good work. This is a very specific comparison on cost vs. performance and ROI.

The connections to the harness are certainly more on the Dinan side. BMS uses CANBus via OBD-II. Connections to the harness are to the wastegate solenoids and TMAP sensors.

[allmotor_2000]

Originally Posted by Spinny02

I have owned both. You are Incorrect by saying the hardware is the same, it's not. Lots of differences in hardware and harness.

You may want to give your opinion on the performance difference between both since you have direct experience

[FSociety]

sub'+

[Dinan_Engineering]

Originally Posted by ChrisNich117

Just took out my BMS tune and had the dinan S1 tune for the comp pack.

No comparison, the Dinan tune is the real deal and holy crap does it pull hard. I almost think the BMS was more of a placebo effect.

Was going to do the Dinan CAI but everything I've read tells me that it's more eye candy then anything. I removed my charcoal filters too. The tune is way more than enough power. I wouldn't even bother with the stage 2 since this thing is just at the limit with MDM on. I don't know why it needs to be any crazier. I like maintaining the handling precision rather than turning this thing into a drag racer. I applaud all you crazies with 800+ HP because I don't know how you can keep it on the road

The Bluetooth is also pretty damn cool. When you switch from bypass to S1 you can hear things moving about and changing in the engine. Pretty upset I didn't just get this from the start.

I know Dinan wasted an insane amount of money trying to crack the Bosch code making this thing crazy expensive, but kudos to them. I'm done modifying my car lol.

Also drove a Dinan stage 2 m4 with their CAI and that thing was just perfect. Not as fast as my m5 now but if I was stock I think it would be identical to a stock cp M5. Maybe a good car to get in between waiting for the next gen m5 LCI.

And a question! If BMW is keeping this same engine for the next m5, could I reuse this dinantronics box for the next m5 or is it still too early to tell?

Glad you are enjoying it!

[13M5F10]

Originally Posted by allmotor_2000

You may want to give your opinion on the performance difference between both since you have direct experience

Here is the threat boots did ... http://f10.m5post.com/forums/showthread.php?t=1051230

[AutoTalent]

We have installed a number of these on F10 M5s and F8x M3 / M4s. Dinan delivers the power much smoother and like OEM in my opinion. They did a phenomenal job.

[Msizzle]

Originally Posted by AutoTalent

We have installed a number of these on F10 M5s and F8x M3 / M4s. Dinan delivers the power much smoother and like OEM in my opinion. They did a phenomenal job.

But does it justify the significant increase in cost?
you are at the level of getting a real tune when compared to dinan