Click to zoom in

Sameh S58 Custom Tune Bm3 Bootmod3 tune

Sameh Tuning
Many in stock
NOTE: 2020 + S58 ECU Needs to be sent to FemtoEVO for OBD Unlock (Please Purchase...

NOTE: 2020 + S58 ECU Needs to be sent to FemtoEVO for OBD Unlock (Please Purchase an Unlock or Email/DM us to find out when we are flying out next!)

Record Tuner:
9.04 @ 156mph in the G8X M3/M4 Platform




Flex Fuel


What we can do with S58 Custom Tune:

Boost by gear to get the most grip we can based on the tires and the road surface

Fuels: 93aki/98ron, 94aki/100ron, 95aki/102ron, E-Blends: E30-E85, Race Gas, Ignite E85, C85 etc.

Port Injection adjustment, adjusting the tune for additional injectors with Motive Reflex, Split Second AIC Controller

Methanol Injection adjustment.

Hybrid turbos adjustment.

Single turbo Adjustment: Using aftermarket external boost controller for the external wastegates.

Any DTC OFF ( Diagnostic trouble codes) Delete

Vmax Top speed limiter removal

Exhaust Flap adjustment.

Cold start ON/OFF or Custom cold start calibration for Ethanol blends.

Stock Turbos

93aki/98ron Fuel: 630+whp

E50octane :720+whp  with decat downpipes and high flow intakes

Full E85 with Port Injection up to 770whp with catless downpipes and high flow intakes

Upgraded Turbos:
Stock Engine: With torque limited midrange up to 800whp with supporting Fueling Upgrades 

With Built Engine 1000+ whp with fueling modifications.

Read More
Read Less
We have a 7-day return policy, which means you have 7 days after receiving your item to request a return. There is a 15% restocking fee. For turbos there is a 25% restock fee on canceled or returned orders To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Certain types of items cannot be returned, custom products (such as special orders or personalized items),. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards. Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

Customer Reviews

Your cart