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      09-21-2017, 01:07 PM   #1
Spinner6996
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ECU tunes

I have been looking into an ECU bench tune for my 2013 650 Xi GC. There is a confusing variety of tuners out there all of whom claim the best results. Most claim 100-125HP increase for between $1200-1800. I would appreciate any feedback from anyone who has done this and their results.
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      01-11-2018, 09:52 PM   #2
Dsifer
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The Engine Gains for the ECU Tune on the 650i/xi are as follows:

+113hp (Brings the car to 558hp)

+135ft-lbs tq (Brings the car to 578ft-lbs tq)

*Removal of top speed limiter

*Faster Response/Acceleration

*Can tune for catless downpipes (remove check engine light, etc)

Price: $1995 Retail, will give it to you for $1500.

I was offered this but unsure of details
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      01-19-2018, 06:02 PM   #3
AmooManiak
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People running catless downpipes, do you get a lot of smell in the car? That's the single biggest concern that's keeping me from going stage 2. I still want the car to be luxurious.
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