Nissan GT-R R35 EcuTek Custom Tune (ECM + TCM) by MRJ

Custom EcuTek ECM and TCM calibration for the Nissan GT-R R35, by Mohammad Rashed Al Jabri (MRJ) at Subzero Motorsport, Dubai.

Quick answer: Subzero Motorsport tunes the Nissan GT-R R35 engine (ECM) and transmission (TCM) on the factory ECU using EcuTek. Prices start at AED 6,000 for a stock or bolt-on car, including both ECM and TCM licences. Flex fuel adds AED 1,000, upgraded turbos add AED 1,000, and built engines add AED 1,000 per stage (Stage 1 to Stage 4). For tuning at our workshop in Dubai, add a dyno tuning session (AED 500) to your order. For online tuning, you need an EcuTek CONNECT+ with DeskEY instead.

Every GT-R we tune gets a custom calibration written for that car, its parts, its fuel and how it will be used. There are no off-the-shelf maps. Our tuner, Mohammad Rashed Al Jabri (MRJ), calibrates every car himself, from stock and bolt-on GT-Rs to the 1,948 WHP billet-engine builds in our Builds section.

We tune on the factory Nissan ECU with EcuTek, so the car keeps its OEM integration: the dashboard, factory features and drive modes all keep working as Nissan intended. Both the engine (ECM) and the GR6 dual-clutch transmission (TCM) are calibrated together, because at higher power the gearbox needs to be tuned to match the engine.

How to Order

1. Choose your setup above: engine stage, fuel and turbos. The price updates automatically.
2. Choose how the car will be tuned:
   • At our workshop in Dubai: add a Dyno Tuning Session (AED 500) to your cart as well. It's a separate item, so it isn't included in the tune price above.
   • Online (remote): no dyno session needed. You'll need an EcuTek CONNECT+ with Tuning DeskEY. Add it to your cart if you don't already have one.
3. Check out, then send us your parts list and we'll confirm your booking.

Example: a Stage 2 engine on flex fuel with upgraded turbos, tuned on our dyno in Dubai = tune AED 10,000 + dyno session AED 500 = AED 10,500.

What's Included

• Custom EcuTek ECM (engine) calibration
• Custom EcuTek TCM (transmission) calibration
• EcuTek ECM and TCM licences
• Calibration by Mohammad Rashed Al Jabri (MRJ)
• Calibration matched to your parts, fuel, boost target and use (street, roll racing, drag or track)

Not included: the dyno tuning session (AED 500, for tuning in Dubai) and the EcuTek CONNECT+ with DeskEY (for online tuning). Add whichever you need separately.

Tune Pricing

The price depends on your car's setup. Start with the base price, then add the options that apply.

• Base tune: AED 6,000 (stock or bolt-on GT-R, ECM + TCM with licences)
• Flex fuel: +AED 1,000
• Upgraded turbos: +AED 1,000
• Stage 1 engine: +AED 1,000
• Stage 2 engine: +AED 2,000
• Stage 3 engine: +AED 3,000
• Stage 4 engine: +AED 4,000
• Dyno tuning in Dubai: +AED 500, added separately as a Dyno Tuning Session

Examples: a stock or bolt-on GT-R tuned on our dyno is AED 6,000 + AED 500 dyno session = AED 6,500. A Stage 4 engine on flex fuel with upgraded turbos, tuned online, is AED 12,000 (no dyno session).

Dyno Tuning or Online Tuning

In-house dyno tuning (Dubai)

Bring the car to our workshop in Al Quoz, Dubai, and MRJ tunes it on our hub dyno, followed by road checks. Dyno charges are AED 500: add a dyno tuning session to your order with the tune.

Online (remote) tuning

If you can't bring the car to Dubai, we can tune it online. For online tuning you'll need an EcuTek CONNECT+ with Tuning DeskEY, which lets us send calibrations to the car and receive your data logs. If you already have one, you don't need to buy it again.

The EcuTek programming kit is also available separately if you want your own dongle to load maps, log data and read fault codes.

Which Engine Stage Do I Have?

The engine stage tells us what the engine can safely handle, which decides how far we can take boost, timing and fuel. If you're not sure which stage your car is, send us your parts list and we'll confirm it before tuning. Our SZM performance packages show how each stage is built.

• Stock or bolt-on: factory engine internals, with parts like an intake, downpipes, exhaust or intercooler
• Stage 1 to Stage 4: built engines with upgraded internals, from our first built-engine stage up to our Stage 4 billet short block

Flex Fuel and Upgraded Turbos

Flex fuel lets the car read the ethanol content of the fuel and adjust the calibration automatically, so it can run anything from pump fuel to E85 and above. It needs an ethanol content sensor, such as the GT1R Gen 2 flex fuel kit, and a fuel system sized for ethanol.

Upgraded turbos need their own boost control, fuelling and timing calibration. See our turbochargers and turbo kits.

Why Tune the TCM?

The GR6 dual-clutch transmission has its own control module. As power goes up, the factory transmission calibration can limit torque, let the clutches slip or shift in ways that don't suit the new power. Tuning the TCM together with the ECM keeps the gearbox matched to the engine. Higher power levels also need a built gearbox: see our GR6 transmission builds and how much HP the GR6 can handle.

Before You Book

• Send us your full parts list, fuel type and power goal
• Make sure the car is in good mechanical condition, with no warning lights or leaks
• For higher power, check the fuel system and sensors are up to the job. Our SZM 1000 HP+ sensors package lets the calibration monitor the engine closely
• For online tuning, have your EcuTek CONNECT+ and DeskEY ready

Frequently Asked Questions

How much does a Nissan GT-R R35 tune cost at Subzero Motorsport?

From AED 6,000 for a stock or bolt-on GT-R, including ECM and TCM tuning and licences. Flex fuel adds AED 1,000, upgraded turbos add AED 1,000, and built engines add AED 1,000 per stage, up to AED 4,000 for Stage 4. Dyno tuning in Dubai is AED 500 extra.

Who tunes the cars?

Mohammad Rashed Al Jabri (MRJ), Subzero Motorsport's tuner, calibrates every car using EcuTek.

What software do you use?

EcuTek, on the factory Nissan ECM and TCM. No standalone ECU is needed.

Is the transmission (TCM) tuned as well?

Yes. Every tune includes both the ECM and TCM calibration and both licences.

Can you tune my GT-R online if I'm outside the UAE?

Yes. For online tuning you need an EcuTek CONNECT+ with Tuning DeskEY. We send the calibration to you and review your data logs.

Do I need to buy the EcuTek CONNECT+ and DeskEY?

Only for online tuning, and only if you don't already have one. For in-house dyno tuning in Dubai, you don't need it.

How much is dyno tuning, and how do I add it?

Dyno tuning at our workshop in Dubai is AED 500, on top of the tune price. Add a Dyno Tuning Session to your cart together with the tune. You don't need it for online tuning.

Can you tune a stock GT-R?

Yes. Stock and bolt-on GT-Rs are tuned at the base price of AED 6,000.

Can you tune for flex fuel?

Yes, for AED 1,000 extra. The car needs an ethanol content sensor and a fuel system suitable for ethanol.

Do you tune big-power builds?

Yes. We tune GT-Rs from stock up to Stage 4 billet-engine builds, including Ammar's 1,948 WHP SZM2200 GT-R, all on the factory ECU with EcuTek.

Does the tune keep the factory features?

Yes. Because we tune the factory ECU, the dashboard, factory features and drive modes keep working.

Book Your GT-R Tune

Choose your engine stage, fuel and turbos above. If you're tuning at our workshop in Dubai, add a dyno tuning session too. Or contact us with your parts list and power goal, and we'll confirm the right tune for your car.