VALVETECH One-Off Valved Exhaust - BMW 4 Series G22 / G23 / G26 (B48 / B58)

A fully made-to-order, one-off exhaust system from BIMMER+. Each unit is built individually after order confirmation, with specifications tailored to your vehicle and preferences — an exhaust character and presence no mass-produced system can deliver, crafted specifically for the BMW 4 Series G22 / G23 / G26 (B48 / B58).

• Fully built-to-order: production begins upon order confirmation
• Customization available: consultation accepted before purchase
• Additional charges: may apply depending on specifications
• Limitations: some customizations may not be available depending on production status or vehicle
• Pre-purchase consultation required: please contact us before purchase if you wish to customize

1. Tail (exhaust tip) material
2. Tail (exhaust tip) diameter
3. Main pipe wall thickness
4. Main body material
   • 304 stainless steel (standard)
   • Titanium alloy
5. Main pipe diameter

• Main body material: 304 stainless steel (titanium alloy upgrade available)
• Valve mechanism: Electronically controlled valve (VALVETECH proprietary)
• Construction: Cat-back design utilizing OEM hanger positions
• Welding: Full TIG welded construction

Designed specifically for the BMW 4 Series G22 / G23 / G26 (B48 / B58). Production year, grade, or prior modifications may require additional fitting adjustment.

After purchase, please email us your vehicle model, year, and chassis (VIN) number. This is required even if you do not wish to customize, in order to confirm vehicle compatibility.
* For Mercari purchases, please contact us via Mercari chat.

Exhaust removal and installation require specialized tools and a vehicle lift. We strongly recommend professional installation by a qualified BMW specialist or workshop.

Due to made-to-order production, lead time is typically 4-8 weeks from order confirmation. Customizations may extend the lead time.