Fuel-It 15 PSI Hobb's Switch for BMW N54 and N55 – trigger your secondary LPFP with confidence
Get reliable, boost-activated control of your secondary fuel pump with the Fuel-It 15 PSI Hobb's switch. Designed specifically for Stage 3 and Stage 4 Low Pressure Fuel Pump upgrades on turbocharged BMW N54 and N55 engines, this 15 psi Hobbs switch (also searched as Hobb's switch or 15psi pressure switch) cleanly triggers the auxiliary pump right when you need it under boost. Perfect for BMW E-chassis enthusiasts who want consistent fuel delivery on tuned setups, higher boost targets and spirited road or track use.
We run this Fuel-It Hobb's switch on our own builds and customers' cars and it simply works. Strong, consistent activation at 15 psi helps keep your LPFP strategy seamless, supporting smooth power delivery and dependable performance. It is a must-have add-on when pairing a secondary pump with Stage 3 or Stage 4 LPFP systems.
Why choose the Fuel-It 15 PSI Hobb's switch
- Triggers secondary fuel pump at 15 psi for dependable activation under boost
- Ideal for Stage 3 and Stage 4 LPFP upgrades on BMW N54 and N55 turbo engines
- Improves fuel system control on tuned, high-boost E-chassis BMWs
- Proven on our own cars and by happy Nforcd customers
- Quality Fuel-It component with a straightforward, purpose-built design
Compatibility – BMW E-chassis N54 and N55
Works with all BMW E-chassis models equipped with the N54 or N55 turbocharged engines including BMW 1M, 135i and 335i. Specific platforms include:
- 1 Series E88 Convertible, 11/2006 to 10/2013
- 1 Series E82 Coupe, 11/2006 to 10/2013
- 3 Series E90 Saloon, 02/2004 to 09/2008
- 3 Series E90 LCI Saloon, 07/2007 to 12/2011
- 3 Series E91 Touring, 02/2004 to 08/2008
- 3 Series E91 LCI Touring, 07/2007 to 05/2012
- 3 Series E92 Coupe, 05/2005 to 02/2010
- 3 Series E92 LCI Coupe, 11/2008 to 06/2013
- 3 Series E93 Convertible, 09/2005 to 02/2010
- 3 Series E93 LCI Convertible, 11/2008 to 10/2013
- X1 E84, 04/2009 to 06/2015
Common search terms: BMW N54 Hobbs switch, BMW N55 Hobb's switch, 15 psi fuel pump pressure switch, Fuel-It Hobbs switch FI041, secondary fuel pump trigger, LPFP Stage 3, LPFP Stage 4, E90 E92 E93 E82 E88 fuel system upgrade.
Compatibility check
We will verify fitment before dispatch. Add your UK registration or the last 7 digits of your VIN at checkout and we will confirm compatibility for your exact BMW.
Professional fitting
For expert installation and setup, choose Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com and our team will be happy to help.
Part number
FI041
Manufactured by
Fuel-It
Warranty
Fuel-It Limited Warranty.
Upgrade your BMW fuel system control today with the Fuel-It 15 PSI Hobb's switch and enjoy consistent, confident performance under boost.