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      05-17-2011, 11:35 PM   #23
Dick Brown
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My 1m has the drone as well - I hear it in 6th and it's much louder than my 135. It actually can be somewhat annoying on the highway. If I adjust the pedal pressure I can lessen it occasionally.
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      05-18-2011, 12:56 AM   #24
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Compare to our project 135i with DP and full Berk Tech. exhaust the 1M is very quiet.

There isn't really any drone to speak of, at least to me. Some people are more sensitive to these kind of things.

We will be testing a mid pipe with resonators later this week or early next.
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      05-18-2011, 02:11 AM   #25
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I would have your dealer to check it out.
Don't wait several hundred miles, you have brand new cars! I would suggest go to your dealer, let them check and be on the safe side.

If it doesn't dissapear, you can proceed with further steps. But waiting and hoping doesn't help you on the law side. If there's a problem other cars don't have, they have to fix it.
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      05-18-2011, 02:41 AM   #26
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Originally Posted by Dan Parker View Post

That noise could be good for 5 hp at the wheels.
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      05-18-2011, 02:53 AM   #27
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God thanks we have beta tester for the car in hope its fixed untill i recieve my car
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      05-18-2011, 09:25 AM   #28
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Quote:
Originally Posted by johnsfb View Post
My new 1M is going back to the dealers to have the exhaust checked out. There is a bad drone between 2200 and 2600 rpm. When I complained, the salesman took me up the road for a run in their demonstrator and it sounded fine. We then went the same route in mine and he immediately confirmed a problem so they're having a look at it on Monday 23rd. I'm having the 1200 mile service done while it's in.
Anyone else getting this drone?
I have just under 450 miles on mine, I have noticed a deeper exhaust note than that on my brother's 135i, before he put his Berk Tech exhaust on his. I would say now that they are comparable.

I can't speak on something I haven't heard, but from my car and my experience I love the grunt that this exhaust has stock.....

But then again, I had an STI with a 4" downpipe, no cat's and a 3" exhaust with a canister, so I might already have some hearing loss hahahahaa
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      05-18-2011, 09:27 AM   #29
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It's from all the powaaa!
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      05-18-2011, 09:28 AM   #30
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Quote:
Originally Posted by HP Autowerks View Post
Compare to our project 135i with DP and full Berk Tech. exhaust the 1M is very quiet.

There isn't really any drone to speak of, at least to me. Some people are more sensitive to these kind of things.

We will be testing a mid pipe with resonators later this week or early next.
What else are you guys planning for your 1M, im sure you have a post, but I thought I'd ask??????????
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      05-18-2011, 09:28 AM   #31
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I wouldn't mess with it until after the break-in period. Exhaust systems need time to settle down.
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      05-18-2011, 10:04 AM   #32
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Quote:
Originally Posted by JJSchmooze View Post
What else are you guys planning for your 1M, im sure you have a post, but I thought I'd ask??????????
Have a look here:

http://www.1addicts.com/forums/showthread.php?t=528853
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      05-18-2011, 10:09 AM   #33
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Quote:
Originally Posted by HP Autowerks View Post
Compare to our project 135i with DP and full Berk Tech. exhaust the 1M is very quiet.

There isn't really any drone to speak of, at least to me. Some people are more sensitive to these kind of things.

We will be testing a mid pipe with resonators later this week or early next.
That's what I'm on about. No drone to speak of --- on yours. But there is on mine. It's not just that I'm sensitive to a little noise.
I'm well used to loud exhausts. Something similar to your 135i, mine had AR catted downpipes with a Corsa exhaust and the secondary cats taken out. It was loud, but a great sound.
This resonance type noise just within a 400 rpm window has me frowning and clenching my teeth and I either drive below it, or accelerate quickly through it. Otherwise the exhaust sounds fine and is ok.
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      05-18-2011, 10:12 AM   #34
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Quote:
Originally Posted by johnsfb View Post
That's what I'm on about. No drone to speak of --- on yours. But there is on mine. It's not just that I'm sensitive to a little noise.
I'm well used to loud exhausts. Something similar to your 135i, mine had AR catted downpipes with a Corsa exhaust and the secondary cats taken out. It was loud, but a great sound.
This resonance type noise just within a 400 rpm window has me frowning and clenching my teeth and I either drive below it, or accelerate quickly through it. Otherwise the exhaust sounds fine and is ok.
I'll pay more attention and see if I can hear a hint of it as I drive.
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      05-18-2011, 10:29 AM   #35
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Quote:
Originally Posted by N55_BBM View Post
my 135i with the performance exhaust had the same drone you're describing.. i just but the resonator back and it took care of 90% of it. i miss the popping and gurgles tho, now it's just growly but doesnt pop
I had a 135 with the PE also and it is not the same.
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      05-19-2011, 12:54 PM   #36
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Quote:
Originally Posted by johnsfb View Post
That's what I'm on about. No drone to speak of --- on yours. But there is on mine. It's not just that I'm sensitive to a little noise.
I'm well used to loud exhausts. Something similar to your 135i, mine had AR catted downpipes with a Corsa exhaust and the secondary cats taken out. It was loud, but a great sound.
This resonance type noise just within a 400 rpm window has me frowning and clenching my teeth and I either drive below it, or accelerate quickly through it. Otherwise the exhaust sounds fine and is ok.
Does anyone have the solution? Mine is exactly the same -bad drone between 60-70 MPH in 6th. Exhaust hangers too stiff maybe?
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      05-19-2011, 11:56 PM   #37
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Quote:
Originally Posted by VO1M View Post
Does anyone have the solution? Mine is exactly the same -bad drone between 60-70 MPH in 6th. Exhaust hangers too stiff maybe?
Downshift! The engine just hums at 3000RPM and above.
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      05-20-2011, 09:55 AM   #38
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Mine was quite bad for the first 200 miles or so but it seems to be getting better - I think it's that rather than I'm just getting used to it!

I think you need to give them a bit of time to settle. Certainly, it's no longer a problem for me now.

Even before, it only really happened at steady cruising speeds at around 2000-2300 rpm in 6th on inclines (i.e. a bit more load than on the flat but not accelerating through it)
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      05-20-2011, 10:56 AM   #39
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Quote:
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Mine was quite bad for the first 200 miles or so but it seems to be getting better - I think it's that rather than I'm just getting used to it!

I think you need to give them a bit of time to settle. Certainly, it's no longer a problem for me now.

Even before, it only really happened at steady cruising speeds at around 2000-2300 rpm in 6th on inclines (i.e. a bit more load than on the flat but not accelerating through it)
I'll give it another couple of hundred then!
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      05-20-2011, 02:18 PM   #40
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Quote:
Originally Posted by 1Mer View Post
Mine was quite bad for the first 200 miles or so but it seems to be getting better - I think it's that rather than I'm just getting used to it!

I think you need to give them a bit of time to settle. Certainly, it's no longer a problem for me now.

Even before, it only really happened at steady cruising speeds at around 2000-2300 rpm in 6th on inclines (i.e. a bit more load than on the flat but not accelerating through it)
Yes, exactly as you described but mine does it at 2200 to 2600.
It's still doing it at over 800 miles.

I will post up what the dealers say or do after they have it in on Monday.
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      05-20-2011, 05:44 PM   #41
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Quote:
Originally Posted by johnsfb View Post
Yes, exactly as you described but mine does it at 2200 to 2600.
It's still doing it at over 800 miles.

I will post up what the dealers say or do after they have it in on Monday.
Hi John, Very interested to hear the outcome on this. As you know the demo you refer too was my original order and i hope that this issue is resolved before i take delivery of the new order on 1st of July. Please keep me posted as to what the guys do to repair it for you. Bye the way how are you enjoying it otherwise ?
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      05-21-2011, 01:52 PM   #42
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I'll give it another couple of hundred then!
Still there after 500 miles. Brilliant car though.
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      05-23-2011, 12:12 PM   #43
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Quote:
Originally Posted by johnsfb View Post
My new 1M is going back to the dealers to have the exhaust checked out. There is a bad drone between 2200 and 2600 rpm. When I complained, the salesman took me up the road for a run in their demonstrator and it sounded fine. We then went the same route in mine and he immediately confirmed a problem so they're having a look at it on Monday 23rd. I'm having the 1200 mile service done while it's in.
Anyone else getting this drone?
The outcome is that they swopped the exhaust from their demo onto mine and they say It's now ok. They also said my original exhaust didn't drone on the demo.
Unfortunately I can't test it just now as there's an absolute STORM raging outside with bits of tree branches and debris all over the roads and even the motorway.
I'll try it tomorrow when this weather has settled a bit and post up.
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      05-23-2011, 12:13 PM   #44
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Quote:
Originally Posted by johnsfb View Post
Yes, exactly as you described but mine does it at 2200 to 2600.
It's still doing it at over 800 miles.

I will post up what the dealers say or do after they have it in on Monday.
Have you any news from your dealer?

Interested to know what they said.
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