My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Dinan D440-0137 Dinantronics X Performance Tuner for BMW M3/M4

(2015-2018 BMW M3; 2015-2020 BMW M4)

Part of: Dinan Dinantronics Performance Tuner for BMW Turbo Engine

Other options in this family: Dinan D440-0160 Dinan D440-0153 Dinan D440-0131 Dinan D440-0136 Dinan D440-0141

Manufacturer

Picture for manufacturer Dinan

Part Number

D440-0137
6 reviews
Sale Price

$699.95

4 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dinan Dinantronics X is a sophisticated plug-and-play engine performance module designed specifically for 2015-2020 BMW M3 Competition and M4 Competition models. This advanced tuning solution delivers substantial power gains while maintaining all factory safety protocols and diagnostic functions.

Performance Gains:

  • Maximum gains of up to +69 HP and +81 lb-ft torque at the crank
  • Wheel horsepower gains of up to +62 HP and +73 lb-ft torque on base models
  • Smooth and predictable power delivery across the rev range

Key Features:

  • Seven adjustable power levels plus bypass setting for complete control
  • Bluetooth Smart connectivity with iOS and Android app compatibility
  • Plug-and-play installation requires no permanent modifications
  • Unaffected by dealer factory software updates
  • Maintains all on-board diagnostics and factory safeguards
  • Backed by Dinan's 1-year limited warranty
  • 14-day satisfaction guarantee

The Dinantronics X system allows you to easily adjust performance levels through the smartphone app, making it simple to switch between different power settings or return to stock configuration. This module integrates seamlessly with the factory ECU without triggering check engine lights or affecting dealership service capabilities.

Products specifications

Fits

2015-2018 BMW M3; 2015-2020 BMW M4

Brand

Dinan

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Category

Air and Fuel Delivery

Dinan Point Value

3

Emission Code

7

Factory Rated HP

405 (423 Measured)

Factory Rated Torque (lb-ft)

406 (411 Measured)

Labor Time (Hours)

1

Max HP Gain

69 @ 4500 RPM

Max Torque (lb-ft) Gain

81 @ 4500 RPM

Peak HP

485 @ 6000 RPM

Peak HP Gain

61 @ 7000 RPM

Peak Torque (lb-ft)

490 @ 4000 RPM

Peak Torque (lb-ft) Gain

80 @ 4000 RPM

Product Type

Inline Module

Sub Category

Fuel Injection System and Related Components

Warning

California Proposition 65

Warranty

1yr/Unlimited Miles

So far all good!

Call time was 45 minutes. That's ridiculous

Good

Fast

Great!

so far so good see what happens

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy