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  #1  
Old 10-27-2011, 10:43 PM
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My 2011 seems slower than my 2010?

I recently purchased my father 2011 X5d to replace my 2010 X5d (pictures below) since he was getting a 2012. Both vehicles are bone stock. Exact same options, Y spoke wheels etc. The problem is after driving the 2011 for a few days it seems slower, specifically when the turbos first start to spool in that torquey/boosty stage of acceleration. It definitely doesnt feel like it has the same torque. So I took the car in yesterday, they ran diagnostics and compression and said the car is perfect. Can anyone clue me in on why the 2011 might feel different?
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Last edited by MPowerFarmer; 10-28-2011 at 01:48 PM.
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  #2  
Old 10-29-2011, 02:45 AM
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The vehicles are made to learn the driving style of the driver. It'll change the transmission behavior and air/fuel mixture ratio among many things. So even the same models can feel different.
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Old 10-29-2011, 03:50 AM
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So how can I reverse this?
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Old 10-29-2011, 09:11 AM
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I think you can press the gas pedal to the floor and put the car into accessory mode. Not sure but someone on the board should know.
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Old 10-30-2011, 04:51 AM
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Ok so over time you can actually make your car slower by not driving hard? BTW made a deal on a valenca orange M1 today.
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Old 10-30-2011, 12:02 PM
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Quote:
Originally Posted by MPowerFarmer View Post
Ok so over time you can actually make your car slower by not driving hard? BTW made a deal on a valenca orange M1 today.
You mean 1M .
You may have to take to dealer if you don't want to wait or you can try if this works.

Reset throttle response:

1) Insert the key & push the start button. (Don't touch the brake pedal & don't remove the key at any time)

2) Press & hold the accelerator down for 10 seconds.

3) Without releasing the accelerator push the start button.

4) Release the accelerator.

5) Wait a full 2 minutes.

6) Start the car normally & drive to see if it's more responsive.
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Old 10-30-2011, 12:47 PM
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Quote:
Originally Posted by LeMansX5 View Post
You mean 1M .
You may have to take to dealer if you don't want to wait or you can try if this works.

Reset throttle response:

1) Insert the key & push the start button. (Don't touch the brake pedal & don't remove the key at any time)

2) Press & hold the accelerator down for 10 seconds.

3) Without releasing the accelerator push the start button.

4) Release the accelerator.

5) Wait a full 2 minutes.

6) Start the car normally & drive to see if it's more responsive.
Press and hold it down how far, full throttle?
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Old 10-31-2011, 03:00 PM
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What is the mileage on each? I'd bet a better explanation is that the 2010 is fully broken-in, so the drivetrain has loosened up a bit.
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Old 10-31-2011, 03:03 PM
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Originally Posted by Alan Smithee View Post
What is the mileage on each? I'd bet a better explanation is that the 2010 is fully broken-in, so the drivetrain has loosened up a bit.
Almost exactly the same on each, 50k miles.
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Old 10-31-2011, 03:08 PM
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So they are both fully broken-in. 50k is a lot on a 2011 or 2010; the equivalent of 4-5 years of use, so there are many variables.

If you have the opportunity to run both on a dyno on the same day, you will know for sure if there really is a power discrepancy.
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