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Old Fri, Jun-15-2012, 12:43:01 AM   #31
BevsM3
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Default Re: High RPM Issue

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After running my boost and A/f gauge for the past two day. I have concluded that I have a small boost leak; my boost drops from 4.5lb to 1 or .5 as the WOT continues to 6k + rpm I figured I shed some light on my issue.
OK, that sounds like a pretty big boost leak. You're just about losing it all. My cars been in the shop a week and they didn't even look at it yet.
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Old Fri, Jun-15-2012, 01:24:30 AM   #32
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Default Re: High RPM Issue

Wow that's a huge leak... Could it be belt slip?
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Old Fri, Jun-15-2012, 07:36:52 PM   #33
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Default Re: High RPM Issue

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OK, that sounds like a pretty big boost leak. You're just about losing it all. My cars been in the shop a week and they didn't even look at it yet.
I check this site everyday hoping that you have gotten this solved!
I am going to be ordering my renegade upgrade later in the week. I have given up on the Nitrous idea due to added complexity and am going to just use one power adder.

I added a tank of VP 109 race gas this week and the results were more than impressive! The thing pulls like a mule with the added octane and oxygen enriched fuel. I am just going to be adding race gas rather than Nitrous Refills when I want to beat on it.
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Old Fri, Jun-15-2012, 10:59:56 PM   #34
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Default Re: High RPM Issue

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I check this site everyday hoping that you have gotten this solved!
I am going to be ordering my renegade upgrade later in the week. I have given up on the Nitrous idea due to added complexity and am going to just use one power adder.

I added a tank of VP 109 race gas this week and the results were more than impressive! The thing pulls like a mule with the added octane and oxygen enriched fuel. I am just going to be adding race gas rather than Nitrous Refills when I want to beat on it.
Thats Great!!!! I will know whats going on next week and have Dyno #'s too.

I was wondering the same thing two weeks ago about the Race gas. I knew it wouldn't hurt but wasn't sure about it adapting to make positive gains with just a few gallons. Is the fuel leaded or unleaded? Won't the leaded kill the 02's?
I'll try the race gas on july 2nd. I have a private track rental.
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Old Fri, Jun-15-2012, 11:42:34 PM   #35
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MS109 is unleaded and expensive
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Old Sat, Jun-16-2012, 02:08:56 AM   #36
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Default Re: High RPM Issue

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MS109 is unleaded and expensive
Just did some reading on that fuel, looks like the way to go. Now I just need to find it locally.

$12.00 Gallon
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Old Sat, Jun-16-2012, 07:27:04 PM   #37
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Default Re: High RPM Issue

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Just did some reading on that fuel, looks like the way to go. Now I just need to find it locally.

$12.00 Gallon
You might find it at your local track... There is a track about 20 miles from my house where I now fill up with VP. Its $8.50/gal here

They also have the VP 100 streetable which is about .20c less a gallon. I am sure it would give similiar results, as I doubt I am anywhere needing 109 octane.

It really roasts the tires with it though - even in +90F heat!
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Old Sat, Jun-16-2012, 10:17:17 PM   #38
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Default Re: High RPM Issue

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You might find it at your local track... There is a track about 20 miles from my house where I now fill up with VP. Its $8.50/gal here

They also have the VP 100 streetable which is about .20c less a gallon. I am sure it would give similiar results, as I doubt I am anywhere needing 109 octane.

It really roasts the tires with it though - even in +90F heat!
They do have it at the track for $12.50/gal and I found a place that sells 5gal drums about 45min from my house. $8.50!! That is a great price!!!

The MS109 is actually 101 motor octane. The Research Octane is 109.

I also read that because evaporation occurs in seconds you may be buying 101 octane at the pump, you are in reality getting 94-96 octane! So I may go with the more expensive 5gal sealed drum.
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Old Sun, Jun-17-2012, 12:42:03 AM   #39
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Default Re: High RPM Issue

Do you guys not have 100 unleaded at certain gas stations in your area? There isn't many places but there's a few of them with 20-30 min driving distance in Chicago for example.
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Old Thu, Jun-21-2012, 09:22:24 PM   #40
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Default Re: High RPM Issue

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Do you guys not have 100 unleaded at certain gas stations in your area? There isn't many places but there's a few of them with 20-30 min driving distance in Chicago for example.
Closest to me is in Long Island which is about 45min away. They sell 5 gallon drums.


My car still is not done...tomorrow makes 2 weeks!! Didn't even look at it!!
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Discussing High RPM Issue in the Forced Induction (F/I) Forum - Discuss the ever growing F/I options here! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)