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Ignitions and Electrical› Computers, Chips, Modules and Programmers

Dinan

DINANTRONICS Performance Tuner Stage 3

$2,000.00 $1,799.95 Save $200.05

SKU: D440-1641-ST3

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
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Advanced — 4+ hours

Overview

The Dinan DINANTRONICS Performance Tuner Stage 3 is a computer hardware and software module designed to enhance engine performance. It manipulates engine signals to achieve higher output levels without compromising long-term reliability or onboard diagnostic system functionality. This tuner is engineered to be emissions legal in all 50 states.
Show original supplier description
The Dinan DINANTRONICS Elite Performance Tuner Stage 3 is a sophisticated inline module engineered to significantly boost engine performance beyond stock programming, without compromising long-term reliability or the functionality of onboard diagnostic systems. This tuner is 50-state emissions legal for model years through 2015, holding CARB EO # D-176-42. With the required Dinan Cold Air Intake (D760-0038) and Intercooler (D330-0021), it offers maximum gains of up to +73 HP and +83 lb-ft of torque at the crank. The tuner achieves peak performance of 399 HP at 5500 RPM and 455 lb-ft of torque at 3000 RPM. Installation is specific: this kit is ONLY for the M235i or vehicles equipped with BMW M-Performance software (MPPK) and an electronic wastegate. While many 335i models produced after 06/2013 utilize an electronic wastegate, visual identification is crucial. An intercooler is also required for Stage 3 operation. The product is sold as-is with a 30-day, defect-only warranty, as it is a clearance item.
Vehicle Symptoms
  • Lack of power during highway merging
  • Sluggish throttle response
  • Poor acceleration from stop
  • Engine feels restricted at high RPM
  • Noticeable performance drop compared to similar models
Relevant Conversations
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandDinan
Part NumberD440-1641-ST3
CategoryIgnitions and Electrical
5,000+ Trusted brands
1M+ Enthusiasts
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(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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