Milltek Sport BMW F70 M135 xDrive OPF-Back Exhaust System (OPF/GPF Vehicles)

Unleash the full character of your new BMW F70 M135 xDrive with the Milltek Sport OPF/GPF-compatible exhaust system. Designed specifically for the 2024+ F70 M135, this system enhances sound, performance, and aesthetics without compromising factory driveability or build quality.

Crafted in the UK from high-grade T304L stainless steel, the system is mandrel-bent for optimal flow and durability. The OPF-back system offers a refined yet sporty tone while retaining the factory GPF/OPF, making it ideal for road use.

To complete the package, Milltek offers a range of premium tailpipe options to suit your personal style, including Polished Chrome, Cerakote Black, Burnt Titanium, and Brushed Titanium finishes. This is a truly modular and upgradeable solution for enthusiasts who want the best of both sound and substance from their M135.

Key Features

• Designed for BMW F70 M135 xDrive (2024+)
• OPF-back configuration for road-legal use
  
• Made from T304L stainless steel with mandrel-bent pipework
• Enhanced throttle response and deeper exhaust tone
• Direct fitment to OEM mounting points – no cutting or welding
• Choice of tailpipe finishes:
  • Polished Chrome Tips
  • Cerakote Black Tips
  • Burnt Titanium Tips
  • Brushed Titanium Tips

Compatibility

• BMW F70 M135 xDrive (2024+)
  For petrol models with GPF/OPF

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.

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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.

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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.