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Ensure a perfect seal for your BMW's OEM, VRSF, or aftermarket high flow downpipes with our high-quality Grade 12 installation hardware and gaskets. Each set includes 4 bolts, nuts, washers, and 2 stainless steel gaskets suitable for N54/N55 engines. Designed for years and models specified below, these components guarantee optimal performance and compatibility. Additionally, turbo to downpipe gaskets and clamps are available separately, along with midpipe gaskets for the S55 engine.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
For over 30 years, Active Autowerke has been the one to turn to for high-quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about.
The B46 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes – therefore reducing radiant heat and increasing performance.
Features Include
NO CEL when using this downpipe
GESI EPA registered high flow and fully OBD2 compliant
Casted upper stainless steel V-Band for precise fitment
3 inch diameter piping allows for maximum power output
Quicker turbo spool
Rated for 500 to 850 hp applications
Withstands up to 1500° F
Can reach operational efficiency within 9 seconds of startup
Easily bolts-on – no cutting or welding required
Durable construction from TIG welded 304 stainless steel
Ultra high flow 400 cell per square inch catalyst
EPA certified for use on OBD2 vehicles (1996 and newer) except in California
304 stainless steel substrate in catalytic converter is furnace braised to the mantle for outstanding durability
GESi® proprietary precious metal loading technology ensures greatly reduced emissions
Both passengers and drivers are safe from harmful emissions and noise
Precise fitment
Made in Miami, Florida
Covered by 5 Year / 50,000 Mile Warranty (on shell and tube ends)
FITMENT NOTE: For G-Chassis models (G20, G22), the cutoff build date of 08/2020 is important as cars produced after that date have a downpipe with different bracket locations. Cars with a build date of 08/2020 and earlier have the brackets in a V configuration. Cars with a build date of 09/2020 and later have the brackets in a straight line and require Active Autowerke p/n 11-065G
This plug is a replacement for the following models: 10901020A, 10901020B, 10901020C, 10901020D, 10301050, 10101020 and any other VRSF chargepipe that utilizes a water injection bung. VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is a crucial component for maintaining peak performance in turbocharged BMW engines. Designed to prevent boost leaks and ensure a secure seal for methanol and water injection ports, this bung plug is crafted from premium materials for long-lasting reliability. Compatible with VRSF chargepipes, it is an ideal solution for BMW enthusiasts seeking precision and durability in their high-performance setups. Available through Turner Motorsport, this part ensures seamless integration with your BMW's engine components.
Benefits: Ensures a secure seal for methanol and water injection ports to prevent boost leaks Built from high-quality materials for superior strength and longevity Compatible with VRSF chargepipes on 07-16 BMW N54, N55, N20, N26, S55, and B58 engines Easy installation minimizes downtime and simplifies engine upgrades Maintains optimal turbo efficiency and performance in high-pressure systems The VRSF Replacement Chargepipe Methanol/Water Injection Bung Plug for 07-16 BMW N54/ N55/ N20/ N26/ S55/ B58 is the ultimate choice for BMW owners committed to maximizing reliability and performance.
This product was last offered at the strikethrough price on
07-09-2026
This product was last offered at the strikethrough price on
07-09-2026