For BMW enthusiasts and owners who love to tinker with their cars, coding and diagnostics are essential. Traditionally, this meant using complex software like BMW ESYS on a laptop with an OBD2 cable. However, the landscape has changed, and now there’s a powerful, user-friendly mobile solution: Protool. In this comprehensive review, we’ll delve into why Protool is hailed as the best BMW coding and diagnostics app available, effectively serving as a mobile ESYS replacement that you can carry in your pocket.
This isn’t just another generic OBD2 app; Protool, developed by Bimmer Geeks, is a game-changer for BMW F, G, E, and I series owners. It mirrors the capabilities of ESYS, allowing for extensive coding – from simple customizations to advanced modifications. Protool offers two separate licenses: a Diagnostics license ($89.99) and a Coding license ($79.99). For the full suite, the Master License ($149.99) provides both at a discounted rate. To explore more, visit the Bimmer Geeks website.
Protool stands out because it’s essentially a mobile ESYS. It empowers you to perform virtually any coding task ESYS can, including both FDL (Function Data Line) and VO (Vehicle Order) coding. The only capability it currently lacks compared to ESYS is ECU flashing – a feature most everyday users rarely need. What does this mean for you? Unparalleled control over your BMW. Want to code comfort windows, remove legal disclaimers, or personalize lighting? Protool handles it effortlessly. But it goes far beyond basic tweaks. For those seeking performance enhancements, Protool enables coding of modules like EPS (Electric Power Steering) for steering feel adjustments, GHAS (Rear Axle Steering) for differential behavior, and DSC (Dynamic Stability Control) for EURO MDM (M Dynamic Mode) – functionalities previously favored by Thor flasher users.
Step-by-Step Guides for Advanced Coding with Protool:
To illustrate Protool’s advanced coding prowess, here are direct links to guides demonstrating its use for module-specific modifications (originally shared on Bimmerpost forums):
- EPS Module (Steering Feel): https://f87.bimmerpost.com/forums/sh…4#post29968214
- DSC Module (Traction Control/MDM): https://f87.bimmerpost.com/forums/sh…8#post29968208
- GHAS Module (Differential): https://f87.bimmerpost.com/forums/sh…7#post29968227
In terms of coding capabilities, Protool surpasses other mobile apps available today. This robust functionality solidifies Protool’s position as the premier BMW coding app, and arguably the only one serious BMW owners need. For most users, Protool effectively eliminates the need for the more cumbersome ESYS system.
Beyond coding, Protool excels in diagnostics. It reads genuine BMW fault codes, not just generic OBD2 codes, providing a deeper and more accurate understanding of your BMW’s health. Furthermore, Protool facilitates crucial maintenance tasks like battery registration and coding. This means you can correctly register a new battery, even if it’s a different capacity (ideal for upgrading to lightweight lithium-ion batteries).
The combination of comprehensive coding and advanced diagnostics makes Protool an indispensable tool for any BMW owner who wants to take control of their vehicle’s settings and maintenance.
Now, let’s dive into a more detailed exploration of Protool’s features and capabilities.
Important Disclaimers:
Before proceeding, it’s crucial to understand the inherent risks and limitations associated with vehicle coding and modifications.
Damage/Injury Disclaimer: Any actions taken based on the information presented in this review are at your own risk. The author is not liable for personal injury, harm to others, vehicle damage, or property damage resulting from the use of coding or diagnostic procedures.
Monetary Disclaimer: The author receives no financial compensation, commission, or profit from the sale of Protool software by Bimmer Geeks.
Sponsorship Disclaimer: This review is sponsored by Bimmer Geeks. However, the product selection process was driven by the author’s own assessment of the best options available for their personal vehicle. Sponsorship was sought after the author had already determined Protool to be the preferred product. This ensures that the reviews are based on genuine belief in the product’s quality and value.
Time of Writing Disclaimer: Information presented in this review is accurate as of the writing date and may become outdated due to future updates or changes in software and hardware.
Bias and Comparison Disclaimer: While striving for objectivity, this review includes comparisons to other products and may reflect the author’s subjective opinions.
Mistakes and Inaccuracies Disclaimer: Efforts are made to ensure factual accuracy, but errors and omissions may occur. Readers are encouraged to point out any inaccuracies, which will be corrected upon verification.
Subjective Disclaimer: Product assessments and “best” product designations are based on the author’s personal opinion and evaluation criteria. Individual preferences may vary.
Information Disclaimer: The information presented is based on accumulated knowledge and experience. While sources are cited where possible, some information may be derived from general automotive knowledge and experience.
Image Credits:
All images and videos used in this review are the property of their respective owners, credited below each image. If any image owner wishes for their content to be removed, please contact the author.
Review Stance:
Bimmer Geeks has sponsored this review, and their support is acknowledged. Despite this sponsorship, the review aims to maintain objectivity. The author initiated the sponsorship request, underscoring a pre-existing belief in Protool’s merits as the top coding tool at the time of writing. Personal experience coding an M2 using Protool, particularly for features like M2CS DSC, GHAS, and EPS, has solidified this positive assessment.
Understanding BMW Coding:
“Coding” in the BMW context refers to modifying parameters within the car’s ECUs (Electronic Control Units) to enable or disable pre-programmed features. This is not software development but rather activating or deactivating existing functionalities designed by BMW. It’s akin to flipping switches that are already built into the system. When performed correctly, coding is generally safe because it operates within the parameters set by BMW. However, improper coding can lead to issues, such as ECU bricking due to power interruption or unintended consequences from disabling safety features. Therefore, thorough understanding and caution are paramount before undertaking any coding modifications.
There are two primary types of BMW coding: VO Coding and FDL Coding.
VO Coding (Vehicle Order Coding): This method involves modifying the car’s Vehicle Order (VO), which is essentially a list of factory options and features. Each BMW has a unique VO that defines its “genetic identity” and feature set based on the original factory specifications. VO coding is ideal for retrofitting factory options. For example, adding option code 6NS (Enhanced Bluetooth and USB) and removing 6NH (Base Bluetooth and USB) can activate features like dual phone pairing and enhanced media display, provided the necessary hardware is installed. VO coding automates the configuration of multiple ECUs to support a specific option.
FDL Coding (Function Data Line Coding): FDL coding provides granular control, allowing direct modification of parameters within individual ECUs. This bypasses the limitations of VO coding and enables customization beyond factory options. For example, FDL coding can activate 6NS features without requiring all the hardware components or disable features like iDrive disclaimers and seatbelt chimes, which are not part of the VO system. FDL coding is exceptionally powerful for fine-tuning vehicle behavior and personalization.
Why BMW Coding Exists: BMW employs coding as a cost-effective strategy. By using shared hardware components across different models and trims, and then utilizing software to differentiate features, BMW reduces manufacturing complexity and costs. For instance, different BMW models may share the same power steering rack, but software coding within the EPS module dictates the steering feel to match the specific model’s characteristics (e.g., a sportier feel for M models). This system allows enthusiasts to potentially unlock or customize features by coding their vehicles.
Tools for BMW Coding: ESYS
ESYS Interface ExampleCredit: mev2630 https://f30.bimmerpost.com/forums/sh…76&postcount=1
Image of ESYS interface for illustrative purposes.
ESYS (Engineering Software System): ESYS is BMW’s official software for coding, diagnostics, and ECU flashing. It is a powerful tool used by dealerships and advanced enthusiasts. To use ESYS, you typically need:
- A Windows laptop with sufficient RAM (8GB or more recommended for newer models with many ECUs).
- Current PSdZData files (BMW data files containing coding parameters).
- An ENET (Ethernet to OBD2) cable.
- ESYS Launcher (like Launcher Pro or BimmerUtility) to facilitate FDL coding by dynamically mapping CAFD files.
ESYS provides comprehensive coding and flashing capabilities. However, it has drawbacks:
- Cost: Acquiring all necessary components, including a suitable laptop and launcher licenses, can be expensive.
- Complexity: ESYS has a steep learning curve, with a complex menu system that can be intimidating for beginners.
- Time-Consuming: Coding procedures can be slower compared to mobile apps.
- Portability: Requires a laptop, making it less convenient for quick modifications.
Safety Tips for BMW Coding:
Before embarking on any coding modifications, prioritize safety:
- Create Backups: Always back up your car’s ECU configurations before making changes. This allows for easy restoration to the original settings if needed.
- Know What You Are Doing: Thoroughly research the coding modifications you intend to perform. Understand the function of each parameter and its potential impact on your vehicle. Verify compatibility with your specific BMW model and software version.
- Maintain Battery Voltage: Use a reliable battery charger to maintain stable voltage during coding. Voltage drops can interrupt the coding process and potentially brick ECUs. For some coding tasks, running the engine during the procedure may be advisable, but never code while driving.
- Use Quality Adapters/Cables: Employ high-quality ENET cables or wireless adapters. Cheap, unreliable adapters can cause communication failures during coding, leading to errors or ECU damage. Avoid low-quality cables from unknown sources, as they may have poor internal construction and risk short circuits.
Protool: A Mobile ESYS Powerhouse
Protool App IconCredit: Bimmer Geeks (image from the Google Play Store)
Protool emerges as a revolutionary mobile application that brings ESYS-level coding and diagnostics to your Android device (Android 4.1 and higher). While currently Android-based, potential iOS support may be considered in the future.
Protool Quick Highlights:
- Two License Options: Diagnostics License ($89.99) and Coding License ($79.99) are available separately, allowing users to choose based on their needs. The Master License ($149.99) bundles both at a discount.
- Free Lifetime Updates: Protool receives ongoing updates from Bimmer Geeks, ensuring compatibility with newer BMW models – a significant advantage over ESYS and some older launchers that may require paid updates or become outdated.
- No VIN Locking: The Protool license is linked to your Google account, not a specific vehicle. You can use it on unlimited BMWs, making it ideal for households with multiple BMWs or professional use.
- Free Feature Exploration: You can download Protool and connect to your car for free to explore available coding and diagnostic features before purchasing a license. This “try before you buy” approach is invaluable for assessing compatibility and functionality.
- Adapter Flexibility: Protool supports a wide array of adapters, increasing the likelihood that you already own a compatible device or can choose one that suits your needs and budget. Prioritize high-quality adapters to ensure reliable coding. Bimmer Geeks offers their own cables and adapters with optional lifetime warranties, reflecting their confidence in product quality. Adapters compatible with tuning software like MHD or BootMod3 can be excellent choices for future expandability.
Currently Supported Adapters for Protool:
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USB K+DCAN Cable (E-series): For older BMW E-series models, Protool supports USB K+DCAN cables via OTG (USB On-The-Go) adapters.
BimmerGeeks K+DCAN CableCredit: Bimmer Geeks https://www.bimmergeeks.net/product-…eeks-pro-cable
High-quality K+DCAN cable from Bimmer Geeks for reliable E-series diagnostics and coding. -
BimmerGeeks Bluetooth Adapter: Bimmer Geeks’ proprietary Bluetooth adapter is fully compatible with Protool for wireless connectivity.
BimmerGeeks Bluetooth AdapterCredit: Bimmer Geeks https://www.bimmergeeks.net/product-…etooth-adapter
Bimmer Geeks Bluetooth adapter designed for seamless Protool integration. -
Thor WiFi Adapter: The Thor WiFi adapter, previously popular for Thor flashing, is also supported by Protool.
Thor WiFi AdapterCredit: Bimmer Geeks https://www.bimmergeeks.net/product-…p-wifi-adapter
Thor WiFi adapter, compatible with Protool for wireless BMW coding and diagnostics. -
MHD Orange WiFi Adapter (Discontinued): While discontinued, the older MHD orange WiFi adapter remains compatible with Protool for users who already own it.
MHD Orange WiFi AdapterCredit: Mashimarho https://mashimarho.com/products/mhd-…32241903861859
MHD Orange WiFi adapter, an older but compatible option for Protool. -
ENET Cable (with OTG Ethernet Adapter): For a wired connection on newer F/G series cars, ENET cables can be used with an OTG Ethernet adapter to connect to your Android device.
ENET Cable ExampleCredit: Amazon https://www.amazon.ca/OHP-Ethernet-D…/dp/B07V3C47YD
Example of an ENET cable suitable for Protool with an OTG adapter. -
MHD Black ENET WiFi Adapter: The black MHD ENET WiFi adapter offers both wired (ENET) and wireless connectivity, making it a versatile choice for Protool.
MHD Black ENET WiFi AdapterCredit: Mashimarho https://mashimarho.com/products/mhd-…32241903894627
MHD Black ENET WiFi adapter, offering both ENET and WiFi connectivity for Protool. -
MHD Newest WiFi Adapter (Potential Future Support – Unconfirmed): Support for MHD’s latest WiFi adapter is anticipated but not yet officially confirmed. Check for updates from Bimmer Geeks regarding compatibility.
MHD Newest WiFi AdapterCredit: Mashimarho https://mashimarho.com/products/mhd-…32241903894627
MHD’s newest WiFi adapter, with potential future compatibility with Protool. -
BootMod3 (BM3) WiFi Adapter: The BootMod3 WiFi adapter is confirmed to be compatible with Protool, providing another reliable wireless option.
BootMod3 WiFi AdapterCredit: Protuning Freaks https://www.protuningfreaks.com/prod…-flash-adapter
BootMod3 WiFi adapter, confirmed to work seamlessly with Protool for BMW coding and diagnostics.
For detailed instructions and a comprehensive feature list, consult the Protool user guide within the app’s menu or contact Bimmer Geeks support.
Protool Features and Capabilities: Beyond Basic Coding
Protool surpasses basic coding apps by offering functionalities comparable to ESYS, including advanced coding options for modules like DSC, EPS, and GHAS. This unlocks performance-oriented customizations previously exclusive to more complex tools. Protool also supports FA/VO coding for efficient retrofitting and large-scale feature activation.
Key Protool Features:
- Extensive Coding Options: Code popular features like comfort windows, mirror folding, disclaimers, and warning chimes, along with advanced options for DSC (e.g., M4 GTS MDM mode), EPS (e.g., F87 CS steering feel), and GHAS (e.g., F87 CS differential coding).
- Backup and Restore Profiles: Create full backups of your car’s coding parameters and save them as profiles. Easily switch between different coding configurations by restoring saved profiles – ideal for track days or reverting to stock settings.
- Advanced Diagnostics: Read BMW-specific fault codes, register new batteries (including different capacities), code injectors, reset adaptations, and trigger module recalibrations (e.g., GHAS).
- Module Control and Activation: Activate and control hardware components directly from the app, similar to ISTA’s “activate components” function. This is useful for diagnosing issues or performing maintenance tasks like retracting electronic parking brakes for pad changes.
- Data Logging: Log a wide range of parameters for performance monitoring and diagnostics – a valuable feature for enthusiasts and those considering tuning.
- Remote Backups: Store profiles, data logs, and diagnostic reports securely online via Bimmer Geeks’ website. Access logs from your computer and ensure data safety even if your mobile device is lost or damaged.
Protool Interface Examples:
Protool Main MenuCredit: F87source
Protool’s main menu showcasing ECU categories for easy navigation.
Protool Main Menu SectionsCredit: F87source
Continuation of Protool’s main menu, illustrating the breadth of accessible systems.
Protool ECU Menu NavigationCredit: F87source
Further navigation within Protool’s menu, demonstrating user-friendly organization.
Protool ECU Submenu ExampleCredit: F87source
Example of an ECU submenu in Protool, offering options for error reading, clearing, functions, live data, control, and coding.
For detailed coding tutorials, refer to the linked guides in the overview section or the “Advanced Coding” section below, which provides links for coding GHAS, EPS, and DSC modules.
Protool vs. ESYS: Key Differences and Advantages
Comparing Protool and ESYS reveals significant differences in usability, cost, and portability:
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Ease of Use: Protool boasts a far more intuitive and user-friendly interface compared to ESYS. Its mobile app design, categorized menus, and readily accessible common coding options make it straightforward for users of all skill levels. ESYS, while powerful, has a complex and potentially overwhelming interface, especially for new users. Its menu system can be less clear, and accidental clicks can lead to unintended consequences, such as the “code default” function, which can brick ECUs if misused. Protool avoids such “trap buttons” with its more guided and user-centric design.
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License and Portability: Protool licenses are linked to your Google account, allowing seamless use across multiple Android devices. ESYS launchers are typically tied to a single computer, limiting portability. While some launchers now offer account-based licensing, ESYS still requires a laptop. Protool’s mobile nature offers superior portability and convenience.
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Cost-Effectiveness: Protool is significantly more affordable than setting up a comparable ESYS system.
- Protool Setup (Approximate): ~$80 (Android tablet) + ~$30 (ENET cable + OTG adapter) + $80 (Coding License) = ~$190
- ESYS Setup (Approximate): ~$50-100 (ESYS Launcher) + ~$25 (ENET Cable) + ~$300 (Windows Laptop) = ~$375 – $425
Protool offers a cost saving of approximately $185 or more. Additionally, a tablet purchased for Protool can serve as an in-car gauge display, whereas a budget laptop for ESYS may have limited utility outside of coding.
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Portability and Speed: Protool’s mobile app format makes it ultra-portable and ideal for quick coding changes on the go. ESYS requires a bulkier laptop setup, making it less convenient for spontaneous modifications. Protool allows for coding adjustments in minutes, while ESYS setup and coding can take significantly longer.
Conclusion: Protool – The Smart Choice for Most BMW Coders
For the vast majority of BMW owners, from beginners to advanced DIYers, Protool emerges as the superior coding and diagnostics solution. It offers ESYS-level capabilities in a user-friendly, portable, and cost-effective mobile app. While ESYS remains relevant for expert users needing ECU flashing or extensive remote coding capabilities, Protool provides a more than adequate, and often preferable, alternative for most BMW enthusiasts.
Advanced Coding Resources:
To explore advanced coding examples with Protool, refer to these resources for step-by-step guides on modifying specific modules (originally shared on Bimmerpost forums):
- EPS Module (Steering Feel): https://f87.bimmerpost.com/forums/sh…4#post29968214
- DSC Module (Traction Control/MDM): https://f87.bimmerpost.com/forums/sh…8#post29968208
- GHAS Module (Differential): https://f87.bimmerpost.com/forums/sh…7#post29968227
