- Home /
- Software & Tuning /
- Engine ECU Upgrade /
- APR ECU Upgrade - 3.0T EA837 V6 (Simos 8.5)
APR
APR ECU Upgrade - 3.0T EA837 V6 (Simos 8.5)
Fits 2012-2017 Audi A6, A7, A8, Q5, S4, S5, SQ5
Part # ECU-30T-EA837-SIM85
Be the first to write a review
APR ECU Upgrade - 3.0T EA837 V6 (Simos 8.5)
Fits 2012-2017 Audi A6, A7, A8, Q5, S4, S5, SQ5
Learn MoreAPR's ECU Upgrades are the best dollar-per-horsepower modification one can make to improve engine performance. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR's optimization of the factory engine management system to take full advantage of the engine's capabilities, without needing any end user adjustment. The ECU Upgrades are available with various features and supported octane levels and each stage is compatible with most typical bolt-on modifications. The software is installed to the vehicle's factory ECU through the OBD-II port, resulting in a clean and headache-free install. Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!
Features:
- Horsepower - More horsepower throughout the whole rpm band
- Torque - More torque throughout the whole rpm band
- Warranty - APR Plus is available, providing a factory term limit matching limited powertrain warranty
- Stages - Multiple performance levels depending on installed hardware
- Fuel Grades - Multiple octanes from which to choose
- Acceleration - Accelerate faster with more power and reduced throttle lag
- Brake Boosting - Left foot braking or brake boosting added
- Speed Limiter - Go as fast as you want with the speed limiter out of the way
- Rev Limiter - Increased redline for higher revving
- Standing Limiter - Increased standing limiter for higher revving at idle
- Motorsport Limiter - With the soft limiter removed, you’ll get full power right up to the hard, “bap bap bap” redline fuel cut
- Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
- Flash Counter - Flash counter does not increase with each flash
- Direct Port Programming - Clean and easy install through the OBD II port without removing the ECU
- Free Updates - Get free updates for life
- Guarantee - 30 day money back guarantee
| Brand | APR |
|---|---|
| Engine Aspiration | Supercharged |
| Engine Configuration | V6 |
| Engine Displacement | 3.0L |
| Engine Family | EA837 |
| Engine Orientation | Longitudinal |
| Fuel Type | Gasoline |
| Market | NAR |
| ROW | |
| Product Type | ECU Upgrade |
| Part Number | ECU-30T-EA837-SIM85 |
Important fuel quality information
Important fuel quality information
Important fuel quality information
Find your boxcode and revision
Find your boxcode and revision
Find your boxcode and revision
APR Plus Warranty Booklet
APR Plus Warranty Booklet
APR Plus Warranty Booklet
Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number.
Have a question about this product?
- Question
Is it okay to run Apr Stage1 with only an upgraded intake?
By Nash Bishop on February 27, 2023
AnswerYesHelpful? - Question
How much does it cost to get a stage 1 AKI / 95 RON
By Luka Nenadic on February 28, 2023
Answer$599.95Helpful? - Question
I have had many cars with your tunes in them, I am looking to get another tune for an S4 I bought recently. I don't see any information about the EMCS/Program switching that was always offered. Is it still available? I always used the extra maps for track days and different fuels. Thanks!!
By Carl Aloi on June 17, 2023
AnswerIt's not available for this platform unfortunately.Helpful? - Question
Is this CARB legal?
By Shane M on May 2, 2023
AnswerNot yetHelpful?
Load More
APR ECU Upgrade Stages
APR’s ECU Upgrades are available in multiple octanes levels. Each stage is fully compatible with an upgraded intake, catback exhaust, or other minor bolt on modifications.
APR Plus
The APR Plus ECU Upgrade includes a factory term limit matching limited powertrain warranty, and is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 433 HP with 364 FT-LBS of torque. To get more power, the vehicle can be outfitted with an upgraded intake, cooler, catback exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Plus is available for 91 AKI and is only available in the USA.
APR Stage 1
The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 433-465 HP with 364-385 of torque. To get more power, the vehicle can be outfitted with an upgraded intake, cooler, catback exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Stage 1 is available for 91 AKI, 93 AKI, 100 AKI, and 104 AKI in North America, and 95 RON, 98 RON, 104 RON, and 108 RON in the Rest of the World.
APR Stage 2
The APR Stage 2 ECU Upgrade is the next step towards making more power! This simple upgrade requires upgrading the supercharger pulley, crank pulley, or both pulleys and produces 448-527 HP with 381-471 FT-LBS of torque when upgrading a single pulley. A cooler is highly recommended, and required to meed advertised results with a dual pulley setup. Use NGK Iridium IX BKR9EIX spark plugs. To get more power, the vehicle can be outfitted with an upgraded intake, exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Stage 2 is available for 91 AKI, 93 AKI, 100 AKI, and 104 AKI in North America, and 95 RON, 98 RON, 104 RON, and 108 RON in the Rest of the World.
APR Stage 2 Plus Ultra
The APR Stage 2+ Ultra ECU Upgrade is the next step towards making more power! This simple upgrade requires the APR Ultracharger Throttle Body Upgrade, both the supercharger and crank pulley, intake, cooler, and exhaust and produces 478-541 HP with 429-475 FT-LBS of torque. Use NGK Iridium IX BKR9EIX spark plugs. To get more power, the vehicle can be outfitted with various other bolt-on modifications all without requiring any new modifications to the ECU.
APR Stage 2+ Ultra is available for 91 AKI, 93 AKI, 100 AKI, and 104 AKI in North America, and 95 RON, 98 RON, 104 RON, and 108 RON in the Rest of the World.
Horsepower and Torque Dyno Charts
| Select a Dyno | Select a Dyno Type |
|---|---|
APR Calibration Report
| Stage (272/310/333/354) | HP | TQ | Max Gain | Max Gain |
|---|---|---|---|---|
| Stock As Reported by VAG | 272 PS 310 PS 333 PS 354 PS | 295 FT-LBS 325 FT-LBS 325 FT-LBS 346 FT-LBS | ||
| Stock As Measured by APR | 271 HP 309 HP 333 HP 361 HP | 287 FT-LBS 321 FT-LBS 327 FT-LBS 364 FT-LBS | ||
| APR Plus | ||||
| 91 AKI / 95 RON | 433 HP | 364 FT-LBS | +147 HP +106 HP +124 HP +52 HP | +119 FT-LBS +86 FT-LBS +90 FT-LBS +42 FT-LBS |
| Stage 1 | ||||
| 91 AKI / 95 RON | 433 HP | 364 FT-LBS | +147 HP +106 HP +124 HP +52 HP | +119 FT-LBS +86 FT-LBS +90 FT-LBS +42 FT-LBS |
| 93 AKI / 98 RON | 444 HP | 372 FT-LBS | +159 HP +117 HP +134 HP +63 HP | +128 FT-LBS +95 FT-LBS +98 FT-LBS +51 FT-LBS |
| 100 AKI / 104 RON | 459 HP | 380 FT-LBS | +171 HP +129 HP +150 HP +76 HP | +138 FT-LBS +105 FT-LBS +109 FT-LBS +64 FT-LBS |
| 104 AKI / 108 RON | 465 HP | 385 FT-LBS | +174 HP +133 HP +155 HP +79 HP | +141 FT-LBS +107 FT-LBS +113 FT-LBS +65 FT-LBS |
| Stage 2 Single Pulley | ||||
| 91 AKI / 95 RON | 448 HP | 381 FT-LBS | +166 HP +125 HP +138 HP +71 HP | +135 FT-LBS +101 FT-LBS +101 FT-LBS +58 FT-LBS |
| 93 AKI / 98 RON | 458 HP | 387 FT-LBS | +176 HP +134 HP +148 HP +80 HP | +142 FT-LBS +108 FT-LBS +108 FT-LBS +65 FT-LBS |
| 100 AKI / 104 RON | 470 HP | 398 FT-LBS | +186 HP +145 HP +160 HP +91 HP | +151 FT-LBS +117 FT-LBS +117 FT-LBS +74 FT-LBS |
| 104 AKI / 108 RON | 481 HP | 406 FT-LBS | +196 HP +155 HP +171 HP +101 HP | +159 FT-LBS +125 FT-LBS +125 FT-LBS +82 FT-LBS |
| Stage 2 Dual Pulley | ||||
| 91 AKI / 95 RON | 445 HP | 415 FT-LBS | +168 HP +126 HP +134 HP +73 HP | +135 FT-LBS +102 FT-LBS +98 FT-LBS +87 FT-LBS |
| 93 AKI / 98 RON | 468 HP | 432 FT-LBS | +189 HP +147 HP +157 HP +93 HP | +152 FT-LBS +119 FT-LBS +115 FT-LBS +104 FT-LBS |
| 100 AKI / 104 RON | 513 HP | 461 FT-LBS | +233 HP +191 HP +202 HP +138 HP | +188 FT-LBS +155 FT-LBS +147 FT-LBS +130 FT-LBS |
| 104 AKI / 108 RON | 527 HP | 471 FT-LBS | +245 HP +204 HP +215 HP +150 HP | +198 FT-LBS +165 FT-LBS +157 FT-LBS +140 FT-LBS |
| Stage 2+ Ultra | ||||
| 91 AKI / 95 RON | 478 HP | 429 FT-LBS | +194 HP +153 HP +167 HP +99 HP | +157 FT-LBS +124 FT-LBS +122 FT-LBS +96 FT-LBS |
| 93 AKI / 98 RON | 498 HP | 444 FT-LBS | +213 HP +172 HP +187 HP +118 HP | +172 FT-LBS +139 FT-LBS +137 FT-LBS +111 FT-LBS |
| 100 AKI / 104 RON | 530 HP | 467 FT-LBS | +245 HP +204 HP +219 HP +150 HP | +198 FT-LBS +165 FT-LBS +160 FT-LBS +136 FT-LBS |
| 104 AKI / 108 RON | 541 HP | 475 FT-LBS | +255 HP +214 HP +230 HP +160 HP | +206 FT-LBS +173 FT-LBS +168 FT-LBS +144 FT-LBS |
Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number.
The APR Difference
Who we are - We’re a global automotive engineering firm nestled in Opelika, Alabama. Our 80,000ft² state-of-the-art facility is home to some of the best engineers in the industry, who have mastered hundreds of engine management systems. We have multiple engine and chassis dynos, and the resources necessary to create our ECU Upgrades in-house, from the ground up! We're not a new company either. We've been around since the 90's and we have a strong financial backing to ensure we'll be here to support you for decades to come!
What we do - We optimize everything to make your engine more powerful. We adjust air-fuel ratios, advance ignition, increase boost pressure, alter cam positions and lift profiles, and more, all depending on the type of engine and management system, of course! We don’t take shortcuts, and we don’t take risks. We do it the right way.
How we differ - With our proprietary calibration and direct ram access data logging tools and operating system code changes, we’re able to make some of the strongest and fastest ECU upgrades, without needing costly end user adjustments. We work with the ECUs intelligent modeling and closed-loop systems, and beta test in multiple environments to create upgrades that work no matter where you drive!
APR Software Pricing Guide
Our performance software upgrade is available in multiple stages with optional features.
| APR Stage 1 | |
|---|---|
| APR Stage 1 ECU Upgrade | $599.95 |
| APR Stage 2 | |
| APR Stage 2 ECU Upgrade | $749.94 |
| APR Stage 2 ECU Upgrade from Stage 1 | $149.99 |
| APR Stage 2+ Ultra | |
| APR Stage 2+ ECU Upgrade | $899.95 |
| APR Stage 2+ ECU Upgrade with New APR Ultracharger | $749.95 |
| APR Stage 2+ ECU Upgrade from Stage 1 | $449.95 |
| APR Stage 2+ ECU Upgrade from Stage 1 with New APR Ultracharger | $149.95 |
| APR Stage 2+ ECU Upgrade from Stage 2 | $299.95 |
| APR Stage 2+ ECU Upgrade from Stage 2 with New APR Ultracharger | FREE |
Purchasing, Guarantee, and Updates
How to Purchase - APR Software Upgrades are only available through Authorized APR Dealers. The dealer will connect to your vehicle, and install the update.¹
Money-Back Guarantee - Try our Software Upgrades for up to 30 days, risk free! If you are not satisfied, return to an APR Dealer to have it removed and refunded.²
Free Updates - If we make an update, add a standard feature, or if the manufacturer issues an update, you are entitled to a free update.³
1. APR Software may not be available for all vehicles. Stages, programs, and features may not be available for all ECUs.
2. Excludes some Software Upgrades, such as those included with a hardware purchase. Labor charges are at the discretion of the installer.
3. Subject to availability. Labor charges are at the discretion of the installer. Applicable to the original purchaser. Second hand owners may inquire with an APR Dealer about a software license transfer fee.
Reviews
Be the first to write a review
Your Review
Items 0 - 0 of 0
per page
Page:
- 1
Items 0 - 0 of 0
per page
Page:
- 1
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.
