Milltek 80mm OPF/GPF Back System | BMW X3 G01 X4 G02 S58 - Burnt Titanium Tips

Description

Milltek OPF/GPF back exhaust system for BMW X3 G01 and X4 G02 with S58 engine. Direct factory fitment replacement that bolts to the factory GPF substrate, preserving emissions compliance while unlocking engine tone and thermal efficiency. Uses original BMW hangers and mounting points-no modification required. Hand-finished T304L stainless steel construction with mandrel-bent piping and CNC-formed GT-115 burnt titanium trims. Engineered to eliminate OE resonance drone while preserving full-throttle character. System tested for thermal properties and fitment precision at Milltek's UK development facility. Available in resonated and non-resonated configurations to suit street or closed-course driving. OE valve compatibility maintained for stock ECU operation. Decibel-tested for measurable output increase over factory system. • Direct OPF/GPF back fitment (X3 G01 and X4 G02 S58) • T304Lstainless steel with hand-finished welds • Mandrel-bent sections for optimal flow and resonance tuning • GT-115 burnt titanium exit trims • Uses factory hangers and mounting brackets • EC Approved for European market compliance This system combines proven BMW M performance tuning knowledge with precision stainless fabrication. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fits 10 vehicles including:

• 2022 BMW X3— X3M / X3M Comp (G01) 3.0 (ROW & North American S58 Engine - LCI only) (2022 and Later) > 2022 and Later
• 2023 BMW X3— X3M / X3M Comp (G01) 3.0 (ROW & North American S58 Engine - LCI only) (2022 and Later) > 2022 and Later
• 2024 BMW X3— X3M / X3M Comp (G01) 3.0 (ROW & North American S58 Engine - LCI only) (2022 and Later) > 2022 and Later
• 2025 BMW X3— X3M / X3M Comp (G01) 3.0 (ROW & North American S58 Engine - LCI only) (2022 and Later) > 2022 and Later
• 2026 BMW X3— X3M / X3M Comp (G01) 3.0 (ROW & North American S58 Engine - LCI only) (2022 and Later) > 2022 and Later
• 2027 BMW X3— X3M / X3M Comp (G01) 3.0 (ROW & North American S58 Engine - LCI only) (2022 and Later) > 2022 and Later
• + 4 more vehicles