Precision Raceworks Stage 2 Direct Injectors - BMW N55 and S55 - F20 F21 F22 F23 F30 F31 F32 F33 F36 F80 F82 F83 F87
Upgrade your BMW’s fuelling with the Precision Raceworks Stage 2 Direct Injectors for N55 and S55 engines. This high flow direct injector set is engineered for serious performance builds and reliable daily use, delivering up to 55 percent more flow than stock injectors. Whether you are chasing big power without port injection or you want rock-solid headroom alongside port injection, these Precision Raceworks injectors are a proven solution for BMW N55 and S55 platforms including M135i, M235i, 335i, 435i, M2, M3 and M4.
Developed in partnership with NHP and calibrated on state-of-the-art high pressure equipment, every injector is individually tested, then matched to a set for consistent performance cylinder to cylinder. E85 compatible and fully supported by popular BMW tuning suites, these Stage 2 DI injectors are the go-to upgrade for enthusiasts who want reliable power on petrol or ethanol blends.
At Nforcd we have installed these in-house and our customers have been delighted with the smooth idle, crisp throttle response and strong fuelling under boost. If you want a BMW injector upgrade for N55 or S55 that just works, this is it.
Key performance benefits
- High flow DI injectors - 55 percent increase over stock
- Power capability - up to 950 whp on gasoline or 715 whp on E85 without port injection*
- E85 compatible - suitable for petrol and ethanol blends
- Max operating pressure - 250 bar / 25 MPa / 3,625 psi
- Precision matched sets - tested and flow calibrated on high pressure equipment
- Tuner support - compatible with MHD, Bootmod3 and EcuTek
- Lifetime warranty from Precision Raceworks
Why choose Precision Raceworks Stage 2 injectors for BMW N55 and S55
- Direct fit BMW N55 injectors upgrade for M135i, M235i, 335i, 435i and M2
- Direct fit BMW S55 injectors upgrade for F80 M3, F82 F83 M4 and F87 M2 Competition
- Ideal for big turbo and hybrid turbo builds needing reliable DI headroom
- Perfect for E85 tuning on BMW N55 and S55 with no port injection required
- Smooth drivability with the fuelling capacity to support serious power
Tuning and installation
- Tune required - calibration is needed after installation
- Supported tuning suites - MHD, Bootmod3, EcuTek and others
- Installation - direct replacement of the factory injectors with coding and tune update
Want professional fitting and calibration support in the UK? Nforcd offers installation in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility - BMW N55 and S55
Includes rear wheel drive and xDrive models.
- 1 Series - F20 F21 - M135i
- 2 Series - F22 F23 - M235i and F87 M2 - includes M2 Competition for S55
- 3 Series - F30 F31 - 335i
- 4 Series - F32 F33 F36 - 435i
- M Series - F80 M3, F82 F83 M4, F87 M2 Competition
Please note: Compatibility is specific to N55 and S55 engines. If you are unsure, we will verify before dispatch.
Compatibility check
We will confirm fitment prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and our team will run a compatibility check.
Part number
201-0260
Manufacturer
Precision Raceworks
Ready to maximise fuelling on your BMW N55 or S55 with a high flow DI upgrade? Order your Precision Raceworks Stage 2 Direct Injectors today for M135i, M235i, 335i, 435i, M2, M3 and M4.
*whp is theoretical based on injector capability with a fully built system and all supporting modifications.