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Go Back   TDIClub Forums > VW TDI Discussion Areas > TDI Power Enhancements

TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old April 18th, 2017, 11:30   #1
SS930
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Join Date: Mar 2003
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Fuel Economy: 2009 Jetta = 44 MPG, 2015 A3 = 46 MPG
Default 2015 TDI Tuning Options?

I have a 2015 Audi A3 2.0L TDI (150hp?) I'm considering keeping, rather than giving it back to the factory. I just added coilovers and love the car now, but a little more power is always welcome.

I don't want to do anything that will reduce fuel economy (other than when I lay my foot into it) and I would prefer not to do any hardware mods (turbo, injectors, etc).

Other than Malone, what are my tuning options?
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Last edited by SS930; April 18th, 2017 at 11:33.
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Old April 18th, 2017, 12:04   #2
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If you're worried about reliability, we've designed a tune that does not alter any of the emissions equipment. Some other providers might quietly be doing otherwise, altering EGR or other emissions related units could affect the DPF reliability. Also keep in mind that we test with a dynapack, a hub mounted dyno system used by most of the larger tuners as they're better for development. They're considerably more accurate than dynojets and give honest readouts.

Revo, Unitronic and Kerma have tunes. Not sure why APR offers diesel tunes but can't recommend them, and I'm sure there's a few others.
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Old April 18th, 2017, 16:11   #3
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Many of the tuners do those cars. Rocketchip is one. I've had very good results with him...including 2015 cars.
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Old April 25th, 2017, 13:09   #4
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I am interested in this as well. I've been doing some research online and from what I understand tuning is can be done via OBD port using Flashzilla v3. Are there any issues with the tune after the Phase 1 fix? Any impressions/reviews from current users would be greatly appreciated. Thanks.

Also, are DSG tunes recommended/required for 2015 models? Can this be done by Flashzilla as well?
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Old April 25th, 2017, 13:32   #5
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Haven't had any problems with post "fix" cars, tuning them daily.

DSG tunes definitely liven the car up and raise the torque limiter, but it's not as intrusive as on the earlier motors. DSG tuning can only be done with the KessV2 through the transmission port located under the air box. We can rent those out for those in remote areas.
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Old April 25th, 2017, 16:26   #6
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You can't go wrong with any of the tuners that frequent this site. I personally have Malone with flashzilla, as I'll be updating my tune in the future. Kerma offers the same device/service. My car is an absolute joy to drive and fuel economy does not suffer unless you are tempted to use the extra power often.
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Old April 26th, 2017, 08:51   #7
CiDirkona
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Brand new to TDIs, although I've been playing with FSI/TSI VWs since 2007ish.

Are the tunes available reversible and/or diagnostically invisible? My 2015 TDI is post-dieselgate EPA approved tune, so I have a feeling that the EPA is going to have a tighter focus on these cars. Even the dealer asked me not to modify it right away (they know me well... ) as they expect the EPA to follow up with real-world tests.

Thanks in advance!
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Old April 26th, 2017, 09:31   #8
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If you use a Qpro type device, it's pretty much undetectable as long as you return to stock before you bring it in.

There's a flash counter that increments every time the ecu is flashed or attempted, and theoretically *if* they tracked that between dealer visits it could raise questions. But it's somewhat esoteric and not routinely checked. In 10 years of tuning cars with flash counters, I have not once come across any instance where it was an issue, not even once. This was first a concern with the PD's back in the day, but never had anyone say the dealer ever looked. or questioned it. If it's a concern I can back up your ecu for the cost of shipping and then the flash counter can be reset at any time by sending it in.

Just return the ecu to stock before you bring the car to the dealer, and it's stock. Not much they will say at that point. Of course this means no deletes or such.

If you still have a pre-dieselgate tune, just remember to go back to stock before bringing the car in for the dieselgte update. Then the programmer can be erased to start over again. The the post-dieselgate update(s) are 100% free, as are any retunes required after the dealer reflashes.
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Old April 26th, 2017, 10:06   #9
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Any idea of the percentage of ECU software versions of the 2015 are in the flashzilla compatible database?
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Old April 26th, 2017, 10:45   #10
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We have had to add add every one to the shared database for passat, jetta, and golf so everyone should be good to go now.
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Old April 26th, 2017, 12:35   #11
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Long as the provider is using a KessV2/ktag then you should be good, we all share the same database.
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Old May 2nd, 2017, 08:44   #12
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The new edc17's have locked read/write eprom (boot-tricore) and require special adapter to break the encryption. When the older cars get the new firmware updates, they get new encrypted locks installed, requiring new tool protocols.
Long as you got the latest tools, the read/write job is no problem. Tuning/editing tools and checksums is a different story.

I can get in all the BMW's/Mercedes/VW-Audi's/Duramax's, etc now (gas and diesels). That should last 6months until the next major architecture hardware changes happen.
Jeff ;-))
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Old May 2nd, 2017, 11:23   #13
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Kerma and Malone have been tuning these fresh off the lot and already built a database off bench-flashing ECUs as required (Thank you Andrew and everyone else involved). What tools are you using Have had no problems with the BMWs, Mercs, Jeeps, Rams, or sprinters either, but all those from 2009 + (and 2010 + sprinter) are bench only.

Newer siemens ECUs are another story, still some stock file availability issues with the MK7s and 3L TFSIs other than the 8.4 models.
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Last edited by Owain@malonetuning; May 2nd, 2017 at 12:53.
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Old May 3rd, 2017, 18:09   #14
HPower
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Hey Owain,

I have sent you a new follow up email on this very topic.
Looking forward to hearing what you think for my 2015.

Thx,
Tom
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Old May 5th, 2017, 18:01   #15
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ugh, I really want to tune, but really don't want to risk any warranty issues. Decisions decisions.
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