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How much bhp will a remap add to my car?

How much bhp will a remap add to my car?

If you’re looking to improve the performance of your car, you may have come across the term “remap.” But what exactly does it mean, and how much horsepower (bhp) can you expect to gain from a remap? In this article, we will explore the benefits of remapping your car and provide some insights into the potential power gains you can achieve.

What is a remap?

A remap, also known as an engine tuning or chip tuning, is the process of modifying the software that controls your car’s engine. By making adjustments to the engine management system, a remap can optimize the performance and efficiency of your vehicle. This can include increasing power output, improving throttle response, and enhancing fuel economy.

Power gains from a remap

The amount of power you can expect to gain from a remap depends on several factors, such as the make and model of your car, its current performance, and the skill of the tuner. On average, a remap can add around 20-50 bhp to a petrol engine and 30-75 bhp to a diesel engine. However, it’s important to note that these figures are just estimates, and the actual gains can vary.

Factors influencing power gains

Several factors influence the power gains achieved through remapping. These include:

  1. Engine type: Diesel engines generally respond better to remapping than petrol engines due to their higher torque output.
  2. Condition of the engine: A well-maintained engine with no underlying issues is more likely to benefit from a remap.
  3. Tuning expertise: The skills and knowledge of the tuner performing the remap play a crucial role in achieving optimal results.

Benefits beyond power gains

While increased horsepower is often the primary motivation for getting a remap, there are several other benefits to consider. These include:

  • Better fuel economy: A well-executed remap can improve your car’s fuel efficiency by optimizing the engine’s performance and adjusting the fuel mapping.
  • Enhanced throttle response: Remapping can reduce throttle lag, making your car feel more responsive and improving your driving experience.
  • Increased torque: Along with horsepower gains, a remap can significantly increase torque, providing improved pulling power and acceleration.

“A remap can transform the driving experience of your car, unlocking its true potential and making it a joy to drive.”

Choosing a reliable tuner

When considering a remap for your car, it’s crucial to choose a reputable and experienced tuner. Look for tuners who have a track record of successful remaps and positive customer reviews. Additionally, make sure they offer warranties to safeguard against any potential issues that may arise.

How fast will my car be if I remap it?


When considering getting a remap for your car, one of the common questions that come to mind is how fast your car will be after the remap. While a remap can significantly improve the performance of your car, it’s important to understand that the extent of the speed increase will depend on various factors.

Factors Affecting Speed Increase

The speed increase you can expect from a remap will primarily depend on the initial power output of your car’s engine. In general, the higher the starting horsepower, the bigger the potential gain. Additionally, the type of remap you choose and the specific modifications made to your car during the remapping process will also play a role in determining the speed increase.

Power Gains

With a remap, it’s not uncommon to see power gains ranging from 10% to 30%, depending on the vehicle and the modifications made. These power gains can translate into noticeable improvements in acceleration and top speed. However, it’s important to note that the increase in speed will also depend on other factors such as the weight and aerodynamics of your car.

Real-World Examples

To provide some context, let’s look at a few real-world examples. A standard family hatchback with an initial power output of 120 bhp could potentially see an increase of around 20-30 bhp with a remap, resulting in improved acceleration and a slightly higher top speed. On the other hand, a performance-oriented car with a higher initial power output of 300 bhp might see a smaller percentage gain, but the absolute increase would still be significant.

Remember, the figures mentioned here are just examples, and the actual results may vary depending on your specific car and the remapping service provider.


In summary, a remap has the potential to increase the speed of your car by improving its power output. The extent of the speed increase will depend on factors such as the initial power output of your car’s engine, the type of remap chosen, and any additional modifications made. It’s always recommended to consult with a professional remapping service provider to better understand the potential gains for your specific vehicle.

Note: Before proceeding with a remap, it’s important to check if any modifications are legal and permissible as per the laws and regulations of your country or region.

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