BMW M140i & M240i B58 Stage 2 Tuning Package

Increase your BMW M140i or M240i’s performance with the B58 Stage 2 Tuning Package, designed to deliver significant power gains and an enhanced driving experience. With this package, you can effectively achieve over 400 BHP & 600 Nm torque.

This performance-boosting package includes:

• BootMod3 Flash Tuning Software License: Custom ECU tuning that optimises your B58 engine for increased horsepower, torque, and throttle response.
• B58 Super 5" Decat Downpipe: Improves exhaust flow by removing the catalytic converter, resulting in increased turbo efficiency, faster spool times, and a more aggressive exhaust note.
• K&N High-Flow Panel Air Filter: Enhances air intake for improved combustion, delivering better airflow, increased horsepower, and superior engine performance.

With this Stage 2 package, your BMW M140i or M240i will experience a dramatic improvement in power, responsiveness, and overall performance. Perfect for enthusiasts looking to unlock the full potential of their B58 engine.

What's Included?

• BootMod3 custom flash tuning software
• B58 super 5" decat downpipe
• K&N upgraded panel air filter

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.