Cooper (non S) Modifications specific to the MINI Cooper (R56).

A discovery for all us Non-s people

  #76  
Old 02-20-2019, 08:29 AM
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Originally Posted by Ive's Mini View Post
When I received the Magnaflow, I was again shocked to see the improvements to the design. I called Magnaflow to ask them if they had any numbers for gains from this unit, and they said they had not dynoed it. Anyone can look at the two units and see the positive design changes.
The price difference is enough for me, if I ever need to replace the manifold. I just don't buy the whole idea that they handicapped the N12 to sell more MCS.
 
  #77  
Old 02-20-2019, 08:40 AM
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Originally Posted by rondayvous View Post
The price difference is enough for me, if I ever need to replace the manifold. I just don't buy the whole idea that they handicapped the N12 to sell more MCS.
I do not see any reason why any sane engineer would have designed this manifold. If you saw it with your own eyes, you would understand. The car is so nimble now. Why would you move up if the performance was completely satisfactory? I feel in my heart they did this on purpose. I have seen cost saving designs that were obviously a compromise, but this looks deliberate.
 
  #78  
Old 02-21-2019, 01:22 PM
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I've been following this thread for almost a year and so far nobody has actually dyno'd the new manifold to determine the real power gains. I'm still skeptical; "seat of the pants" just doesn't do it for me.
 
  #79  
Old 02-26-2019, 07:45 AM
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Is there a cohesive guide for installing this? I've seen two different guides, one which installs putting the car into service mode and another that just does it with the front end still on.
 
  #80  
Old 02-26-2019, 08:24 AM
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Yes. Newtis.info

When properly placed in the service position, the front end is still on the car ... it's just moved forward about 2 inches. I don't consider the bumper cover the front end of the car.
 
  #81  
Old 04-24-2019, 03:13 AM
58caddy
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Originally Posted by Ive's Mini View Post
I do not see any reason why any sane engineer would have designed this manifold. If you saw it with your own eyes, you would understand. The car is so nimble now. Why would you move up if the performance was completely satisfactory? I feel in my heart they did this on purpose. I have seen cost saving designs that were obviously a compromise, but this looks deliberate.
Often times manufacturers will design a part for ease of manufacture more than performance. The Magnaflow part is hand made and more labor intensive than the stock part, which is more than likely made by a robot, with stamped parts as opposed to hand bent and cut parts.
 
  #82  
Old 06-12-2019, 01:37 PM
my1998tdi
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So i have an '11 with the N16, will this work for it? Love to have just alil extra passing power. Was looking at the Magnaflow 49028 since I'm not in Cali. And has anyone tried the one from amazon thats a Magnaflow?
 
  #83  
Old 06-13-2019, 11:47 AM
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Originally Posted by my1998tdi View Post
So i have an '11 with the N16, will this work for it? Love to have just alil extra passing power. Was looking at the Magnaflow 49028 since I'm not in Cali. And has anyone tried the one from amazon thats a Magnaflow?
I've been trying to get an answer from Magnaflow on just that, but they keep telling me that the part will fit the 2007-2013 Clubman but only the 2007-2010 'Base' model, which is a little confusing because those years for the Clubman cover two different engine designs (N12 and N16), and the manifold for the Base and the Clubman after 2011 is the same OEM because those are both N16s.

Has anyone put this on a N16?
 
  #84  
Old 06-13-2019, 12:11 PM
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Well, do all of us a favor and run your car across the dyno before and after. We'd all like to see real numbers compared to all the anecdotal testimonials of increased power.




 
  #85  
Old 06-13-2019, 12:35 PM
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If we had some dyno results we'd finally know whether this manifold really produces extra horsepower.
 
  #86  
Old Yesterday, 05:44 PM
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Hey everyone! Update to our '07 MINI Cooper (N12). When I installed the Magnaflow exhaust manifold, I wasn't very pleased because my gas mileage dropped from 36 to 32 in mixed driving. I was going to remove the Magnaflow and reinstall the original manifold.

BUT! What I recently discovered is that I induced the problem. With 125K miles on the car at the time, I figured, I'd change the pre-cat O2 sensor while I had the manifold removed from the engine. After reading a recent post on the Gen 1 side, I learned that the OEM O2 sensor supplier to MINI is NTK (NGK) not Bosch. I also learned that all O2 sensors are not alike. So, I ordered the NTK sensor for my application, installed it, and reset DME adaptations. I drove the car on a 160 mile test loop of mixed city/highway driving (about half city/half highway with several stops along the way for shopping and lunch). Highway speeds 70-75 MPH. The MINI's fuel economy indicator displayed 36.5 MPG which was a 4.5 MPG increase from when I had the Bosch sensor installed. Lambda value (1 = 14.7:1 air to fuel) on my Foxwell i70Pro scanner shows a consistent 1 value at varying throttle positions.

Actual mileage was 159.6, and it only took 3.59 gallons to fill up the tank. After thinking this isn't possible (44 MPG), I thought I didn't fill up the tank all the way, so I tried to add more; the pump instantly clicked off, and the fuel gauge in the mini indicated full. I have to try this test again and see if I get a similar result. Don't forget that my cylinder head was warped; .012" has been removed from the contact face, and I didn't go to the .120" head gasket, so compression is up compared to stock. Stay tuned for my second test results.
 
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