The essentials
- 1Standardized appraisal software reduces on-site processing time to under 15 minutes and guarantees delivery of the PDF report within 24 hours.
- 2The integration of hardware such as OBD2 scanners and the Premium Battery Test ensures objective, tamper-proof data as the basis for legally sound BVSK appraisals.
- 3Fixed prices of auf Anfrages for standard assets and auf Anfrages for premium assets offer full cost transparency without hidden fees.
Monday morning at the yard of a construction machinery rental company in Berlin-Adlershof. An appraiser opens the DIAVAG hardware case to determine the residual value of a wheel loader for an upcoming fleet renewal. The tablet immediately connects to the OBD2 scanner and the coating-thickness gauge. As the inspector works through the standardized workflow, photos, technical parameters and condition reports are synced in real time. In less than 15 minutes, data capture is complete. The software takes over validating the data against market values and technical standards, so the final, BVSK-compliant appraisal can be delivered digitally the same day. This process marks the transition from manual documentation to a data-driven inspection logic.
The Role of Software in Modern Appraisal Practice
In the traditional valuation of vehicles and technical assets, manual notes and time-consuming follow-up work in the office long dominated. Modern appraisal software breaks up these inefficient structures. The core lies in standardizing the inspection workflow. An appraiser follows a predefined structure that ensures no relevant detail is overlooked. This is especially crucial for complex assets such as EVs or home storage systems, where the software must process data from the Battery Management System (BMS) directly.
DIAVAG's software acts as the central interface between the on-site hardware and the final appraisal generation. Through integration with databases for market values and technical specifications, manual research is largely eliminated. For the customer, this means significant time savings. While classic appraisals often take days or weeks, a software-supported system delivers the result within 24 hours. Independence is maintained, as the software merely records and documents condition objectively, without pursuing its own sales interests.
Standardization Through BVSK Compliance and ISO Standards
An appraisal is only as valuable as its legal robustness. That's why DIAVAG's appraisal software is based on the standards of the BVSK (Bundesverband der freiberuflichen und unabhängigen Sachverständigen für das Kraftfahrzeugwesen, the German association of independent automotive appraisers). This compliance ensures that the documents produced are recognized by insurers, banks, notaries and courts. The software enforces adherence to these standards through mandatory fields and logical checks during data capture.
In addition, the system is designed to meet the requirements of ISO/IEC 17020 Type A. This standard defines the highest level of independence for inspection bodies. The software documents every step of the inspection in a tamper-proof manner. Optionally, a notarial hash can be generated on the Polygon blockchain to guarantee the immutability of the data at the time of creation. This is a decisive advantage in legal disputes arising from inheritance, divorce, or insurance cases, where the integrity of the appraisal could be called into question.
The Hardware Case as the Software's Physical Interface
Software alone cannot capture the physical condition of an asset. That's why DIAVAG offers independent appraisers an integrated package of hardware case and software at a list price of auf Anfrages. This case contains calibrated measuring devices that communicate directly with the application. These include an OBD2 scanner for vehicle electronics, a coating-thickness gauge to identify repainting and accident damage, and a Premium Battery Test device.
The seamless integration ensures that measured values do not have to be transferred manually, which rules out transmission errors. A digital multimeter and a tread-depth gauge complete the set. The software guides the user through the measurements and automatically assigns the results to the corresponding sections of the appraisal. This synergy of precise hardware and intelligent software makes it possible to assess even complex assets such as boats or agricultural machinery in a fraction of the usual time, without compromising the quality of the findings.
B2B Solutions: DMS API and Fleet Management
For dealerships and fleet operators, the appraisal software offers specialized interfaces. From a volume of 50 appraisals per month, DIAVAG provides individual terms and an API connection to Dealer Management Systems (DMS). This allows dealers to integrate the valuation process directly into their existing IT infrastructure. A purchasing process can thus be triggered automatically as soon as the mobile appraiser's data arrives in the system.
Fleet managers use the software to continuously monitor the residual value of their inventory. Especially with lease returns, standardized documentation provides an objective basis for settling diminished value claims. The software makes it possible to manage large volumes of appraisals centrally, analyze trends in value development, and plan remarketing strategically. Thanks to the mobile component of the DIAVAG service, vehicles do not need to be moved for valuation, which saves logistics costs and minimizes downtime.
Integration of the Premium Battery Test for E-Mobility
A unique selling point of the DIAVAG software is the deep integration of the Premium Battery Test. While conventional inspection organizations often only offer a basic diagnosis via the fault memory, this system captures the actual State of Health (SoH) of the high-voltage battery. The software analyzes cell balance, the charging curve and the internal resistance of the cells. This data is of central importance for the market value of an electric vehicle or a home storage system, since the battery is the most expensive component.
The results of the battery test are presented graphically and integrated as a fixed part of the premium appraisal (auf Anfrages). This creates transparency for buyers and sellers. In addition, the software is already prepared for the upcoming EU Battery Passport, which becomes mandatory from February 2027. This makes the system a future-proof solution for the valuation of e-assets, far beyond the capabilities of simple algorithm-based estimation services.
Cross-Asset Flexibility in a Single Application
Most software solutions in the appraisal sector are specialized in cars. DIAVAG, on the other hand, covers seven asset classes: cars, EVs, boats, construction and agricultural machinery, cargo bikes, e-scooters and home storage. The software dynamically adapts the inspection workflow to the respective asset. A boat requires different checkpoints than a piece of agricultural machinery or a PV storage system. This versatility is a structural advantage for appraisers looking to expand their portfolio.
Despite the differing technical requirements, the end product remains uniform. The BVSK-compliant PDF appraisal always follows the same clear structure, which increases readability for banks and insurers. A senior inspector reviews and digitally signs every appraisal before it is released. This combination of specialized data capture and central quality assurance ensures a consistently high level of appraisal quality even for exotic assets such as sport boats or combine harvesters.
Efficiency and Transparency Through Fixed Prices
A key aspect of the DIAVAG philosophy is price stability, made possible by the efficiency of the software. The standard appraisal for cars, boats or cargo bikes costs a flat auf Anfrages. For premium assets such as EVs or home storage systems, which require more elaborate battery diagnostics, the fixed price is auf Anfrages. There are no hidden travel fees in the regions of Hamburg, Berlin and Munich, and no complicated hourly billing.
This transparency is especially important for private customers and lawyers who need planning certainty. The software automatically calculates the price based on the asset class and the selected scope of service. Since the appraiser spends less time on administrative tasks on site, DIAVAG can pass these cost advantages directly on to the customer. Compared to traditional appraisal firms, which often bill according to the JVEG (Justizvergütungs- und Entschädigungsgesetz, the German law on judicial compensation), the fixed-price model offers significantly simpler budgeting for everyone involved.
Data Security and GDPR Compliance in the Cloud
Processing sensitive vehicle and owner data requires the highest security standards. DIAVAG's appraisal software is operated in ISO-certified data centers within the EU and is fully GDPR-compliant. All data transmissions are encrypted. For commercial users such as dealers and fleet operators, this is a basic requirement for meeting compliance guidelines.
Digital archiving of appraisals allows customers to access their documents even years later. This is especially valuable for long-term warranty cases or for documenting the value development of collector vehicles. The software ensures that all photos and measurement records are stored in an audit-proof manner. Separating inspection data from personal data also ensures a high level of data protection without limiting the usability of the appraisal.
The Future of Appraisal Software: AI and Automation
The development of appraisal software does not stand still. Future versions will increasingly rely on artificial intelligence, for example to automatically detect and classify paint damage in photos. DIAVAG already integrates predictive elements today that alert the appraiser to inconsistencies in the data. If, for example, the mileage does not match the wear pattern of the pedals or tires, the software issues a warning.
Another focus is preparation for the EU Battery Passport. The software will be able to export the required data points directly into the standardized EU format. This will revolutionize the valuation of used batteries and enable a transparent secondary market for EV batteries and home storage systems. DIAVAG is positioning itself here not just as a service provider, but as a technology partner for the entire industry, strengthening the appraiser's independence through state-of-the-art tools.
Frequently asked questions
- What does the DIAVAG appraisal software cost for appraisers?
- Independent appraisers can purchase the complete package of hardware case and software at a list price of auf Anfrages. Individual terms apply for dealers and fleets from 50 appraisals per month.
- Is an appraisal created with the software admissible in court?
- Yes, the appraisals are BVSK-compliant and signed by a senior inspector. They meet the requirements for insurance cases, inheritances and divorces. However, you should consult a lawyer or notary for specific legal questions.
- What hardware is included in the DIAVAG case?
- The case includes an OBD2 scanner, a Premium Battery Test device, a coating-thickness gauge, a tread-depth gauge, a digital multimeter, and the necessary equipment for standardized photo documentation.
- Can the software be connected to existing dealer systems?
- Yes, for commercial customers DIAVAG offers a DMS API through which appraisal data and processes can be integrated directly into existing Dealer Management Systems.
- Does the software also support the valuation of home storage systems?
- Yes, home storage systems are one of the seven asset classes. The software uses the Premium Battery Test for this to precisely determine the State of Health and capacity of the storage unit.
- How secure is my data in the appraisal software?
- All data is stored in a GDPR-compliant manner in data centers within the EU. Transmission is encrypted, and additional protection via a blockchain hash is available on request.
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