ECU remapping a 2.0 Mini Cooper SD - MINI Cooper Forum

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post #1 of 6 (permalink) Old Jan 27th, 2015, 11:30 AM Thread Starter
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DIY ECU remapping a 2.0 Mini Cooper SD


As the warranty has recently ended on my 61 plate Mini Cooper SD, I was planning on taking it to M-tech Automotive in Wiltshire to get it remapped. Does anyone have any tips or advice? They've told me that the ECU will need to be removed, decrypted and the re-inserted back into the car. Is this OK to do?

I've read that taking my car in for a service at my local Mini dealer might cause the ECU to be reset, is this always true?

I've also read about remapping shortening the life of certain parts such as the clutch, is this true or only if the car ragged a lot?

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post #2 of 6 (permalink) Old Feb 6th, 2015, 08:33 AM
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I believe the 2012 model year cars onwards have a "locked" ECU, so might need physical intervention to get a map on. I want mine doing too (Dec 12 registered) and have run into this problem. I know Awesome GTI have started remapping diesel BMWs, including the x18d motors, but I'm not sure if they have found a way to unlock the newer ECUs. Dealers can reflash ECUs if there are updates, but they should ask if you want it doing first, especially once you're out of warranty.

What would be nice is for the car to have the standard map and the remap when the Sport button is pressed.

As for reducing the life of parts, it depends. I also have a 2005 Seat Ibiza FR TDI which I've had from new. On it's third birthday, I had a REVO generic map put on and the torque is 318ft/lb which is about the limit that can go through the standard clutch. Nearly seven years later and with (just) 60k on the clock, it's still OK. If you give it the beans from a start or in 2nd gear, you can feel and hear it doesn't like it. It comes in to its own on fast roads and motorways though. Driven normally, mpg is better than standard too.

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post #3 of 6 (permalink) Old Feb 6th, 2015, 12:50 PM
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If you take your car for service and there are any updates then the dealer will install them, i doubt any dealer would ask you first.

On that basis, wherever you get a remap from make sure they will reinstate it for free, or a very small fee, should it ever be overridden. Last thing you need is a 2 hour drive and £100 reinstallment cost.

As to wear n tear well its down to usage but putting more power through any components will potentially shorten their life - components are designed for the stock engine power; some may have more power handling scope, others might be shared with lesser powered models and therefore already near their capability.

I've got a DTUK tuning box to add to mine - its not everyone's cup of tea, but I'll use a conservative setting for a bit more performance and driveability, certainly not going for the highest settings and max power. I had good results and reliability with another DTUK box on a couple of VAG TDIs previously. Take 5 minutes to fit and remove so makes service visits easy - no worries about software over writes.

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post #4 of 6 (permalink) Old Apr 16th, 2015, 06:28 PM
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Why not get a tuning box. I have a bluetech for sale, if you are interested.

Improves torque and mpg & can be removed before service undetected (as I have previously). PM for details.
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post #5 of 6 (permalink) Old Jul 14th, 2015, 09:01 AM
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Interesting to see the comments above , Ian thinking of getting the ECY remapped but does anyone have any knowledge of what effect this has on the reliability of the gearbox/drive shafts etc ------ my mini is the cooper SD Auto
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post #6 of 6 (permalink) Old Aug 28th, 2015, 10:31 AM
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I've had my Cooper SD Remapped (63 Plate) and it is fantastic! Best £345 i've ever spent with Will @ P-Torque!

Now pushing 197.7BHP and 312.5lb Torque!
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