ECU Tune any?
Thread Starter
Newbie
Joined: Mar 2026
Posts: 5
Likes: 0
ECU Tune any?
Hey everyone,
I've had my 2026 G63 for about 3 months now and I really love the car. The only thing is the power feels a bit lacking. I'm thinking about doing downpipes and a tune.
The issue is there aren't many tuning options available on the market right now. I don't want to go with a flash tune since it could affect the factory warranty.
I tried RaceChip, but for some reason it didn't work at all. Not sure if the unit itself was defective or if their development isn't fully sorted yet, but it was completely non-functional so I had to return it.
Just wanted to ask if there are any other reputable options out there? Like Renntech or others that won't affect factory warranty (or at least minimize the risk)?
Appreciate any recommendations, thanks.
I've had my 2026 G63 for about 3 months now and I really love the car. The only thing is the power feels a bit lacking. I'm thinking about doing downpipes and a tune.
The issue is there aren't many tuning options available on the market right now. I don't want to go with a flash tune since it could affect the factory warranty.
I tried RaceChip, but for some reason it didn't work at all. Not sure if the unit itself was defective or if their development isn't fully sorted yet, but it was completely non-functional so I had to return it.
Just wanted to ask if there are any other reputable options out there? Like Renntech or others that won't affect factory warranty (or at least minimize the risk)?
Appreciate any recommendations, thanks.
Last edited by kelvin325; Mar 21, 2026 at 11:27 PM.
Member
Joined: Apr 2020
Posts: 164
Likes: 39
From: NV, UT
2012 Land Rover LR4 5.0L V8 LUX HD
Hey everyone,
I've had my 2026 G63 for about 3 months now and I really love the car. The only thing is the power feels a bit lacking. I'm thinking about doing downpipes and a tune.
The issue is there aren't many tuning options available on the market right now. I don't want to go with a flash tune since it could affect the factory warranty.
I tried RaceChip, but for some reason it didn't work at all. Not sure if the unit itself was defective or if their development isn't fully sorted yet, but it was completely non-functional so I had to return it.
Just wanted to ask if there are any other reputable options out there? Like Renntech or others that won't affect factory warranty (or at least minimize the risk)?
Appreciate any recommendations, thanks.
I've had my 2026 G63 for about 3 months now and I really love the car. The only thing is the power feels a bit lacking. I'm thinking about doing downpipes and a tune.
The issue is there aren't many tuning options available on the market right now. I don't want to go with a flash tune since it could affect the factory warranty.
I tried RaceChip, but for some reason it didn't work at all. Not sure if the unit itself was defective or if their development isn't fully sorted yet, but it was completely non-functional so I had to return it.
Just wanted to ask if there are any other reputable options out there? Like Renntech or others that won't affect factory warranty (or at least minimize the risk)?
Appreciate any recommendations, thanks.
Thread Starter
Newbie
Joined: Mar 2026
Posts: 5
Likes: 0
Member
Joined: Apr 2020
Posts: 164
Likes: 39
From: NV, UT
2012 Land Rover LR4 5.0L V8 LUX HD
Normally the tunes lean it out and its negligible gains unless you can get more boost. That is where you'll make more power but at some point might as well step into a sports car.
