When calibrating an engine, manufacturers consider all of the above-mentioned factors, which leads to a conservative end product. As a proponent of performance you wouldn’t do such a thing, right? Old spark plugs, dirty air filters, low grade fuel accidently or intentionally run through the engine are all taken into consideration when calibrated by the manufacturer. In addition to building in flexibility for ailing sensors, manufacturers are also forced to consider other wear items either from lack of service or neglect. Knowing this, manufacturers err on the conservative side to help avoid emission/warranty issues by building in a margin of error. As these sensors age they will often degrade and the reading sent to the ECU will vary slightly. To meet required standards, a significant margin for error is built into the calibration, which leaves power on the table.Įngine sensors are built to read within certain tolerances.
A manufacturer cannot risk their reputation or their bottom line if they sell a car that has difficulty passing post-sale emission testing. In the US, the EPA requires manufacturers to cover specified major emission control components for the first 8 years or 80,000 miles.
A single vehicle model will sell 100,000+ units worldwide and each unit must meet varying countries’ emission standards. These standards are very restrictive in nature power output is greatly affected as a result.
The processors’ performance is measured in megahertz allowing performance in millions of calculations per second.Īll of these advances in performance and fuel mileage are running concurrently with stringent manufacturer emissions standards. Modern ECU’s contain new powerful processors. One of the rapidly evolving components is the Engine Control Unit (ECU). The combination of new technology and better components, such as, variable valve timing, Valvetronic, and forced induction result in better performance and increased fuel mileage as compared to the same displacement engines only a few years ago. Modern engines have come a great distance in a very short amount of time. Not legal for street use in State of California.HOW WOULD YOUR BMW BENEFIT FROM AN EPIC MOTORSPORTS PERFORMANCE CALIBRATION? It is the reseller’s responsibility to educate the end user of these terms and conditions. The purchaser/reseller assumes the risks of modifying a used vehicle and educating themselves on the common traits of their platform. VF-Engineering is not responsible for trouble shooting, diagnostic costs or consequential cost. Components and sensors near the limit of their wear tolerance may need replacement. Post installation of this product may require trouble shooting/diagnostics. Dealer is responsible for providing product disclosures/terms and conditions to their consumers. Supercharger Systems are considered special order, and not returnable without written consent by VF Engineering. By installing this product on your vehicle you assume all responsibility and consequences. The dealer/consumer is not absolved of responsibility by means of ignorance and is hereby informed. It is understood that you are installing this product / having specific labor performed on a pollution controlled vehicle. It is therefore NOT legal for use on public roads in the State of California or other states with similar laws. This product is not California Emissions Compliant or CARB approved. Customer understands that modifying their car bares certain risks including engine failure and both parties understand and agree to hold VF Engineering harmless of liability from installation and use of this product. Dealer/Consumer has educated and researched the pros and cons or modifying their vehicle with high performance parts such as superchargers.
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