GRAIL Valved Exhaust System | ECE | suitable for BMW 340i F3x | OPF, OEM control

GRAIL Valve Exhaust System
suitable for BMW 340i F3x – OPF, OEM control

The BMW 340i of the F3x series combines classic 3 Series agility with the power of the B58 inline six-cylinder. The GRAIL system accentuates the sporting character of this turbocharged engine and delivers an audibly dynamic sound signature that perfectly complements the 340i's commanding presence. Precision-engineered and vehicle-specifically tuned, it integrates seamlessly with the drivetrain and elevates the emotional driving experience.

Highlights

• B58 inline-six – the GRAIL Valve Exhaust System amplifies the characteristic six-cylinder turbo sound with a full-bodied, sportily tuned acoustic character, while remaining completely free of drone
• Premium craftsmanship – a visually cohesive appearance thanks to carefully manufactured stainless steel components
• ECE type-approved – no registration required* in all participating ECE countries
• Crafted from high-quality 304L stainless steel
• CNC-machined precision parts – maximum durability and perfect dimensional accuracy
• Flow-optimized pipe routing – optimal exhaust flow and temperature stability
• Developed by German engineers – the highest precision in design and manufacturing

TÜV / ABE available upon request

We currently ship within Europe only.

If a part is not available, we will contact you with an estimated wait time.

If you wish to return a product after receiving it, we offer a 14-day returns policy. Custom-made products are not eligible for return, and return shipping is at the customer's expense. Full delivery and returns terms are on the “Delivery Information” page — the link is at the bottom of the page.

Products come with a warranty, detailed in a certificate included in the box.

To make a valid claim, you must prove the damage was not caused by you and that the warranty certificate is valid.

Full terms are on the “Terms & Conditions” page — the link is at the bottom of the page.