The do88 Pressure Pipe Upgrade Kit - BMW F & G-series (B48 B46) is a performance airflow pipe upgrade engineered for smoother flow transitions, reduced restriction and improved durability. Developed by do88 for standard or tuned turbocharged vehicles.

KEY FEATURES

• Smoother flow transitions, reduced restriction and improved durability
• Reinforced high-temperature silicone components
• Application-specific design and fitment
• Developed by do88 in Sweden

PRODUCT DETAILS

Upgrade your engine with do88s pressure pipes for B48/B46, found in BMW 230i, 330i, 430i and more!

BMW usually makes their pressure pipes out of plastic. This choice is cost-effective, but it is not always optimal for handling pressurized air. As the plastic ages or if you increase the boost pressure in your car, it is not uncommon for them to break.

A broken pressure pipe can result in reduced power, also known as "limp mode," or the car can die completely. In this case, the pipe will need to be replaced before the car can be started again. This could potentially leave you stranded on the side of the road.

There are many aftermarket pressure pipes for the B48 engine on the market, but in our opinion most of them are not designed correctly. Most competitors have made a very simple design where the lower and upper pressure pipes are connected with a straight reducing silicone hose. It is obvious that they have not understood that this hose connection needs to be a little flexible to be able to take the thermal movement between the pipes. This common design will most likely cause problems with the hose slipping off the hose connections because it does not allow movement from temperature changes. A natural solution to this problem is for people to tighten the hose clamps more tightly, but this will in most cases destroy and deform the hose connection on the pipe, making the pipes unusable.

But we have chosen a different solution on do88. It was clear to us that the system needs a flexible connection between the lower and upper pressure pipes that can handle the thermal movement. Our solution is a 3-braced aramid reinforced silicone hose. Our hose design allows movement in all directions without bending or stressing the hose connections. To further improve durability, both pipes have CNC machined 6063 hose connection ends with a wall thickness of 3 mm. These hose connections will not deform even with excessively tightened hose clamps.

Our pressure pipes not only solve the durability problem but of course also improve performance. We designed our pipes with a larger diameter and with soft mandrel bent bends to improve performance. The lower pipe is 60mm (2 3/8") and the upper pipe is 76mm (3"), these effectively reduce pressure drop and reduce turbulence.

Our upper pressure pipe, which connects to the throttle body with its CNC machined flange, has two 1/8 NPT outlets suitable for methanol injection or as an outlet for e.g. boost pressure gauges. We include two 1/8 NPT plugs for those who choose not to use these ports.

WHY CHOOSE DO88?

do88 develops vehicle-specific performance cooling, intake and turbo-system components in Sweden. Products are engineered with a focus on airflow, thermal control, dependable fitment and durable construction for European and performance vehicles.

CHECK FITMENT BEFORE ORDERING

Confirm the vehicle model, engine, model year, transmission and all listed connection sizes or specifications before ordering. Contact EMS Carparts for assistance if you are unsure about compatibility.

FREQUENTLY ASKED QUESTIONS

WHAT DOES THIS DO88 CHARGE PIPE DO?

It is designed to provide smoother flow transitions, reduced restriction and improved durability.

WILL IT FIT MY VEHICLE?

This product is intended for the vehicle and engine application listed in the product details. Confirm the model, engine, model year and listed specifications before ordering.

IS INSTALLATION HARDWARE INCLUDED?

Included components vary by product. Review the product details and images carefully, and contact EMS Carparts if you need help confirming what is supplied.