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      04-04-2011, 05:18 AM   #1
Mb23
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BMW performance ECU upgrade? Worth it?

I have been thinking of adding this to my build before it's to late. Does anyone have this? Any feedback, is it worth it or should I just hold off and go Dinan?

Thanks.
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      04-04-2011, 09:43 AM   #2
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Quote:
Originally Posted by Mb23 View Post
I have been thinking of adding this to my build before it's to late. Does anyone have this? Any feedback, is it worth it or should I just hold off and go Dinan?

Thanks.
i'd have thought the perf ecu was a post delivery dealer fit accessory ?
Plus side they wont be able to pull you on warrenty if using it. whereas aftermarket could leave you open to rejected claims on engine and driveline... (all jmo)
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      04-04-2011, 09:59 AM   #3
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2010 X6 50i  [9.34]
I have the Active Autowereke tuned more for a full exhaust system.....the change in acceleration is amazing....
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      04-04-2011, 11:14 AM   #4
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I am just trying to see if the 40hp is noticeable Or not?? I would like to do this because I am leasing so buying is pretty much a waste of funds.
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      04-05-2011, 05:02 PM   #5
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Does anyone know if this is dealer installed???
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      05-20-2011, 09:56 AM   #6
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Just get the ESS flash with the handheld programmer... You can easily flash back to stock when you bring it to the dealer..
Power is amazing..!!
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      05-20-2011, 10:14 AM   #7
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Does anyone know if this is dealer installed???
Yes. Dealer installed. I think I'm gonna have it done first week of June.
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      05-20-2011, 01:15 PM   #8
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So I just got back from dealer. I was told that the performance upgrade is a replacement DME, though the service advisor I (regularly) deal with has never done one before. I scheduled an appointment for Wednesday for the upgrade. Wish me luck

Last edited by tonypap; 05-20-2011 at 01:23 PM..
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      05-20-2011, 04:12 PM   #9
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So I just got back from dealer. I was told that the performance upgrade is a replacement DME, though the service advisor I (regularly) deal with has never done one before. I scheduled an appointment for Wednesday for the upgrade. Wish me luck
So it's available? My service guy told me not yet!
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      05-20-2011, 04:52 PM   #10
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So it's available? My service guy told me not yet!
Yup. Service advisor confirmed. My upgrade kit will be in Monday. Unfortunately I can't make it to dealer til wedensday.
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      05-20-2011, 04:56 PM   #11
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Yup. Service advisor confirmed. My upgrade kit will be in Monday. Unfortunately I can't make it to dealer til wedensday.
I'm calling ASAP!!! Might be joining you for a wednesday install.
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      05-20-2011, 05:00 PM   #12
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Yup. Service advisor confirmed. My upgrade kit will be in Monday. Unfortunately I can't make it to dealer til wedensday.
Just called to reconfirm. Yes it is available. I'll post Wednesday after it's installed.
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      05-25-2011, 06:42 AM   #13
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Just dropped her off for the upgrade. Waiting while they do it. Shouldn't be too long.
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      06-07-2011, 10:03 AM   #14
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I got the 7RR from the dealer when I ordered my car. I wound up getting an aftermarket tune anyway.
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      11-20-2011, 09:54 AM   #15
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So whats the verdict on the BMW performance tune
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      05-19-2012, 12:34 PM   #16
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Is this only available in the US and for petrol versions? I am in the UK and have a 35d and when i mentioned remaps the tech (who was very helpful) said be careful because once its mapped the key reader will tell the service centre who will then do all they can to get out of warranty claims unless its the BMW Performance stuff but i dont see anything on it here.

Am waiting for BMW UK to get back to me.
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