B48 / B46 Port Injection kit as used on our B46 race cars and B48 swaps. Fits both the B48B (F30 and similar) and B48D / B48TU engine (G20 and similar). Can add as much fueling as you want depending on injector size. Currently this kit has made 500whp in combination with the stock B48D injectors and stock B48D manifold.
Additionally adding port injection to a B48 allows it to make more power at high RPM even when you are not running out of Direct Injection. Using the port injection allows the fuel to mix sooner and the result can be seen in the attached dyno plot. No other changes were made between the two dyno runs other than using only Direct Injection on the Blue run and replacing 25% of the DI volume with port.
- Fits all B46 and B48 inline (not transverse) engines. So generally F30 and G20 330i and similar. Will not fit the Mini cooper engine. Please email us if you are unsure. Generally if the vehicle designation has a 30 in such as 230i, 330i, 430i, 530i etc it will fit.
- Secondary plumbing for fuel required and additional injector controller. Our setup runs these injectors with Motec but multiple kinds of systems can be used.
- Includes adapter plate, fuel rail, -6AN fitting, manifold gaskets and hardware as shown in the pictures.
We don't provide injectors with this kit but you can reach out to us if you are unsure what to get. Here are some options. Bigger is not always better on the injector size as you get better fuel mixing and atomization with a smaller injector (more power). Any injector of the EV14K size will fit. This form factor was used on the Chevy LS3 among other engines. Here are some recommended options. All numbers are at a 43.5psi fuel pressure differential:
- Bosch 362cc/min - 0280158051 - What we use on our B46 race cars and makes up to 500whp depending on the ethanol content. Available many places but try to get factory quality ones (not from Amazon).
- Bosch 471cc/min - 0280158187 - A nice bump if you are trying to hit 550whp or running straight E85
- Bosch 695cc/min - 0280158491 - Perfect for running 600whp+ or you have low input fuel pressure (less than 60lbs) at high boost.
Installation Instructions
STROM
B46 / B48 Port Injection Kit
B46 / B48 Port Injection Kit
SKU:99.00103
6 in stock
Couldn't load pickup availability
B48 / B46 Port Injection kit as used on our B46 race cars and B48 swaps. Fits both the B48B (F30 and similar) and B48D / B48TU engine (G20 and similar). Can add as much fueling as you want depending on injector size. Currently this kit has made 500whp in combination with the stock B48D injectors and stock B48D manifold.
Additionally adding port injection to a B48 allows it to make more power at high RPM even when you are not running out of Direct Injection. Using the port injection allows the fuel to mix sooner and the result can be seen in the attached dyno plot. No other changes were made between the two dyno runs other than using only Direct Injection on the Blue run and replacing 25% of the DI volume with port.
- Fits all B46 and B48 inline (not transverse) engines. So generally F30 and G20 330i and similar. Will not fit the Mini cooper engine. Please email us if you are unsure. Generally if the vehicle designation has a 30 in such as 230i, 330i, 430i, 530i etc it will fit.
- Secondary plumbing for fuel required and additional injector controller. Our setup runs these injectors with Motec but multiple kinds of systems can be used.
- Includes adapter plate, fuel rail, -6AN fitting, manifold gaskets and hardware as shown in the pictures.
We don't provide injectors with this kit but you can reach out to us if you are unsure what to get. Here are some options. Bigger is not always better on the injector size as you get better fuel mixing and atomization with a smaller injector (more power). Any injector of the EV14K size will fit. This form factor was used on the Chevy LS3 among other engines. Here are some recommended options. All numbers are at a 43.5psi fuel pressure differential:
- Bosch 362cc/min - 0280158051 - What we use on our B46 race cars and makes up to 500whp depending on the ethanol content. Available many places but try to get factory quality ones (not from Amazon).
- Bosch 471cc/min - 0280158187 - A nice bump if you are trying to hit 550whp or running straight E85
- Bosch 695cc/min - 0280158491 - Perfect for running 600whp+ or you have low input fuel pressure (less than 60lbs) at high boost.
Installation Instructions
