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      05-06-2019, 10:53 AM   #2135
hassmaschine
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the 328i no-maf tune doesn't currently work with cruise control. Whatever model it was based on probably didn't have it. I'm working on fixing that but haven't had time to finish it yet.

Cruise control should work fine with the MAF tune though as it's based on the stock US tune.
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      05-06-2019, 11:09 AM   #2136
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Quote:
Originally Posted by hassmaschine View Post
Cruise control should work fine with the MAF tune though as it's based on the stock US tune.
I flashed the MAF tune and my cruise control doesn't work anymore.

Is there something I could have done wrong? Any advice on fixing it? Maybe just re-flash the 0da?

Thanks for fast reply!
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      05-06-2019, 12:51 PM   #2137
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Are you sure you flashed the MAF tune?

I'll double check but that's the first I've heard of it not working, aside from the no-MAF version. Maybe nobody said anything.

the 2006 325i version is different since there actually was a such thing as a US based N52 330i, unlike the 328i.
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      05-06-2019, 02:42 PM   #2138
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Are there separate ZB numbers for the cruise control option? I thought the programs 0da/0pas were the same and it's an option built into the VO.

Maybe the Eu versions require a different VO entry then the US versions?
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      05-06-2019, 02:50 PM   #2139
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Okay so here is some more very strange information about my problem:

This morning, 9am, driving 2 hours to an offsite job, cruise control would not work on the highway, in 6th gear, at about 80mph.

I got to work, and then posted the message you see maybe 3 or 4 posts up about my cruise control not working.

This afternoon on the way home, I tried again, 6th gear, 80mph, and cruise control worked fine!

So I tried 5th gear. Cruise control won't work.

Tried 4th gear, it works.

Tried 3rd gear, it works.

Tried 2nd gear, it works.

Set cruise to 40mph in 2nd gear, shifted 2->3->4->6th gear flawlessly and maintained a 40mph cruise, even though the shifting, as it should.

Shift to 5th and I get a "BONG" form the car and an exclamation point with a cruise control icon next to it. Try to set cruise control while already in 5th gear and I just get a "---" next to a speedo icon on the dash and it doesn't work.

.
.
.
.

SO IN SUMMARY

I've observed 2 different behaviors today alone. In the morning, cruise control didn't work in 6th. I didnt think to try any other gear at this point. This afternoon, cruise control works fine in any gear except 5th gear.

I don't know how to explain any of this.

And yes I'm sure I flashed the MAF version. I flashed "MSV80_A951181_328i_to_330i.0da".

One thought that I had was maybe my 3.73 diff swap might be making it mad? I dont know if it compares speed to RPM or something to figure out what gear its in... probably not, but just a thought that I had.
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      05-06-2019, 02:54 PM   #2140
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I’ve heard there’s a clutch switch on some cars that is related to cruise control and can go bad, might be worth a check.
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      05-06-2019, 03:10 PM   #2141
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Quote:
Originally Posted by Biginboca View Post
I’ve heard there’s a clutch switch on some cars that is related to cruise control and can go bad, might be worth a check.
I remember checking these a few days ago with INPA when I had just installed INPA and was learning about it by just playing around with the different menus and stuff.

Both my clutch and brake switch function as I would expect them to.

Thanks for the suggestion!
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      05-06-2019, 03:15 PM   #2142
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Quote:
Originally Posted by Joester View Post
Okay so here is some more very strange information about my problem:

This morning, 9am, driving 2 hours to an offsite job, cruise control would not work on the highway, in 6th gear, at about 80mph.

I got to work, and then posted the message you see maybe 3 or 4 posts up about my cruise control not working.

This afternoon on the way home, I tried again, 6th gear, 80mph, and cruise control worked fine!

So I tried 5th gear. Cruise control won't work.

Tried 4th gear, it works.

Tried 3rd gear, it works.

Tried 2nd gear, it works.

Set cruise to 40mph in 2nd gear, shifted 2->3->4->6th gear flawlessly and maintained a 40mph cruise, even though the shifting, as it should.

Shift to 5th and I get a "BONG" form the car and an exclamation point with a cruise control icon next to it. Try to set cruise control while already in 5th gear and I just get a "---" next to a speedo icon on the dash and it doesn't work.

.
.
.
.

SO IN SUMMARY

I've observed 2 different behaviors today alone. In the morning, cruise control didn't work in 6th. I didnt think to try any other gear at this point. This afternoon, cruise control works fine in any gear except 5th gear.

I don't know how to explain any of this.

And yes I'm sure I flashed the MAF version. I flashed "MSV80_A951181_328i_to_330i.0da".

One thought that I had was maybe my 3.73 diff swap might be making it mad? I dont know if it compares speed to RPM or something to figure out what gear its in... probably not, but just a thought that I had.
Ahh, yes in fact I bet it is your diff swap that's pissing it off. Since the current gear is calculated by using RPM and VSS.

It's possible to adjust the gear ratio in the tune of course to match your cruise control.
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      05-06-2019, 03:17 PM   #2143
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Quote:
Originally Posted by hassmaschine View Post
Ahh, yes in fact I bet it is your diff swap that's pissing it off. Since the current gear is calculated by using RPM and VSS.

It's possible to adjust the gear ratio in the tune of course to match your cruise control.
But then why would it not even work in 6th gear this morning? I'm fine with it not working in 5th gear. The only time I use cruise is in 6th gear anyways, but I'm still confused about the inconsistent behavior ive observed lol.
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      05-06-2019, 03:35 PM   #2144
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I’ve run a 3.73 and a 3.91 diff in my car and my cruise control works, although I’ve only tried it in 6th gear.
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      05-06-2019, 04:10 PM   #2145
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Quote:
Originally Posted by Joester View Post
Quote:
Originally Posted by hassmaschine View Post
Ahh, yes in fact I bet it is your diff swap that's pissing it off. Since the current gear is calculated by using RPM and VSS.

It's possible to adjust the gear ratio in the tune of course to match your cruise control.
But then why would it not even work in 6th gear this morning? I'm fine with it not working in 5th gear. The only time I use cruise is in 6th gear anyways, but I'm still confused about the inconsistent behavior ive observed lol.
Does the cruise control even try to work in 5th gear? If coasting along at 50 MPH in fifth and you hit the stalk does it fail or will it try to hold a speed for a few seconds and then fail?

Try a few things like setting the cruise a speed above your current speed and below. Use resume.

Maybe it's an expected torque calculation within the cruise control subroutines. The DME is expecting certain load,speed conditions and the values are falling outside an expected range. Just think about the math involved to keep your car at a constant speed.
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      05-06-2019, 04:16 PM   #2146
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I had the same issue after putting in 373s ... I had to change a setting (any) in the kombi readout through Carley and then change back . Basically just resetting the cluster.
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      05-06-2019, 04:27 PM   #2147
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Quote:
Originally Posted by rjahl View Post
Does the cruise control even try to work in 5th gear? If coasting along at 50 MPH in fifth and you hit the stalk does it fail or will it try to hold a speed for a few seconds and then fail?

Try a few things like setting the cruise a speed above your current speed and below. Use resume.

Maybe it's an expected torque calculation within the cruise control subroutines. The DME is expecting certain load,speed conditions and the values are falling outside an expected range. Just think about the math involved to keep your car at a constant speed.
If I'm already in 5th, it doesnt even try. If I set the cruise in another gear and then shift to 5th, it either immediately errors out or tries for like a tenth of a second and then errors out.


Quote:
Originally Posted by Marc81 View Post
I had the same issue after putting in 373s ... I had to change a setting (any) in the kombi readout through Carley and then change back . Basically just resetting the cluster.
Strange you mention this, I recently messed with my kombi by changing my MPG readout to Oil temp. Never used the cruise since. So maybe this isn't even related to the 330i tune....
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      05-06-2019, 04:30 PM   #2148
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Quote:
Originally Posted by Joester View Post
But then why would it not even work in 6th gear this morning? I'm fine with it not working in 5th gear. The only time I use cruise is in 6th gear anyways, but I'm still confused about the inconsistent behavior ive observed lol.
Because it doesn't think it's in a valid gear. In 5th gear at whatever speed you happen to be going when you try to set it, it errors because it doesn't think the gear is valid. If it works at one speed in 6th it might not work at a different one for the same reason.

Basically it does something like RPM / VSS = gear ratio (more complicated than that, but you get the idea). Since it knows the gear ratios in the stock transmission (and final drive), it knows what gear you are in.

But now your VSS / RPM ratio is way off (because the RPM is higher at the same speed), so the calculated gear ratio is no longer plausible.

The proper way to fix that is to change the constant for the final drive ratio to match your actual ratio.

People ran into this with the E46 M3 when switching to 4.10s or higher. the SMG computer would go crazy. The worst was going above 4.10, because it was only an 8 bit value and you couldn't make it any bigger.
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      05-06-2019, 06:06 PM   #2149
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Thanks Hass for confirming the Cruise Control is a known issue on the MAF-less tune. That's awesome.

I can confirm I have had no issues with the normal 128i to 130i tune file. (On a 6spd MT)

In fact when I first swapped to this tune file it fixed bad work from a previous owner whom had a "custom tune" done which also broke the cruise.

Again, we all appreciate your hard work.

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      05-06-2019, 07:48 PM   #2150
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For the large DISA test, you can just take off your main air-inlet, and take off the DISA holding screws, I was able to back it out far enough to see if it was moving properly, without removing too much stuff. Good piece of mind.
So I dug into my car this afternoon to real quick test my large disa valve and I found that it isn't closing all the way. Since the small valve usually breaks before the large valve, I can pretty safely assume this is why I didn't feel the power improvement I expected out of the 330i tune. They're probably both broken. I was able to get the large disa screws out by just moving the power steering fluid reservoir.

This is of course unrelated to my cruise control issues, but I just wanted to update anyone who might read this thread later and doubt the 330i tune. Have no fear, mine just isn't working right, its a hardware issue.

I'm currently trying to muster up the will power to press "order" on two new disa valves to the tune of $600+. I'm telling myself that I've already put so much effort into this car that it's worth it to get all the power and enjoyment I can out of it. But it still makes my wallet cry.
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      05-06-2019, 07:58 PM   #2151
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OUCH!

Don't spend that much.

The large DISA is a bargain here: https://www.ebay.ca/itm/Intake-Manif...L/302802488657

For the little guy, usually they are in better shape. You can pry it apart, and clean the motor etc. Or buy the rebuild kit.

Just keep looking for a better price. (Rockauto?)
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      05-06-2019, 08:05 PM   #2152
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Quote:
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....I'm currently trying to muster up the will power to press "order" on two new disa valves to the tune of $600+. I'm telling myself that I've already put so much effort into this car that it's worth it to get all the power and enjoyment I can out of it. But it still makes my wallet cry.
So, yes, you could get genuine one...or there are some eBay sellers that sell the generic ones for much less (<$100 ea) Just saying.
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      05-06-2019, 08:15 PM   #2153
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I don't want to derail this thread too much but

-I've heard that the offbrand ones dont last long at all
-FCP euro comes with lifetime warranty so if it breaks again a new genuine one is free

With that being said, I'll still search around for more people's experience with the generics before placing the order. Maybe they aren't as bad as I think.
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      05-06-2019, 09:30 PM   #2154
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I just don't don't think you will notice $600 of difference from a sloppy DISA valve(s).

I did notice a better motor response when mine were working correctly (fixed), but it is still fairly subtle, and only at certain RPM ranges.

I would test the small unit first before replacing, and or give the generics a test.

Of course this is a budget car for me. Your value of money may be different then mine lol. Best of luck!
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      05-07-2019, 09:05 AM   #2155
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I paid seventy-five bucks for a replacement small valve from eBay and it's been fine for six months so far. Not exactly proof of longevity yet, but it does work! I paid 170 for my large valve from somewhere, it's been good for a year now. Edit - I bought the large DISA from Amazon.
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      05-07-2019, 10:33 AM   #2156
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Just to check I tried my cruise control in 4th, 5th, and 6th gear this morning and it worked fine in all gears with my 3.91 diff. And I ran a 3.73 diff for about a year and a half and also never had any cruise control issues. No special programming done, or messing with the kombi.
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