G8x / F9x S58 Upgraded Hybrid Primary Fuel Pump

G8x / F9x S58 Upgraded Hybrid Primary Fuel Pump is a BMW tuning and performance upgrade available under reference 90000274. Use this BavariaMotor product guide to compare compatibility, specifications and purchase details.

Buy G8x / F9x S58 Upgraded Hybrid Primary Fuel Pump for BMW

BMW compatibility and fitment

Fitment information is a guide, not a substitute for a VIN check. BMW can use different components within the same model year.

• This pump kit utilizes the OEM brushless pump in the bucket and adds a Walbro 525 (F90000285) fuel pump outside the bucket.
• Rated for 950whp on pump gas and 900 whp on 100% E85 Included in the box Walbro 525 (F90000295 fuel pump) Billet Fuel Pump mounting bracket High flow fuel quick connects for top…
• Optional Walbro 525 pump (F90000285)
• New stock pump assembly (optional) Recommend Accessories: E-Chassis Lockring Removal ToolCompatible with the following vehicle build dates: 1' E88 (11/2006 — 10/2013)1' E82…
• For power levels up to 700whp we'd recommend using the standard 450 pump and beyond 700whp we recommend upgrading to the 525 pump.
• F-Series B58 (Gen 1) Stage 3 assemblies include: New stock LPFP Secondary pump assembly Secondary wiring harness Walbro filter Walbro 450 pump (F90000274) Optional Walbro 525 pump…
• Choice of Walbro 450 (F90000274) or Walbro 525 (F90000285) pump Common Questions Q: How much fuel does a stage 2 flow?
• A: Our stage 2 pump flows approximately 100% more than stock Q: How much more does the Walbro 525 flow than the Walbro 450?
• Generally speaking, the 450 will support approximately 500whp on E85 or 550-600whp on pump or race gas.
• The 525 pump upgrade will support approximately 10% more than the 450 pump will.
• Stage 3 Bucketless upgrade options for the E-chassis 135 and 335 N54 and N55 Platforms!
• Trade-in: This option allows you to receive a rebuilt/upgraded stock bucket with a new Walbro 450 or 525 pump to swap out your stock LPFP assembly.
• Compatible with the following: 5' E60 LCI (11/2005 — 12/2009) 5' E61 LCI (11/2005 — 05/2010) 6' E63 LCI (04/2006 — 07/2010) 6' E64 LCI (04/2006 — 07/2010) * To be eligible for an…
• Walbro Stage 2 LPFP Upgrade for BMW F Chassis F2X, F3X, and F87 (N55 M2) This is a complete Low Pressure Fuel Pump (LPFP) upgrade that replaces your stock LPFP assembly with an…
• Compatible with the following vehicles: 1' E88 (11/2006 — 10/2013) 1' E82 (11/2006 — 10/2013) 3' E90 (02/2004 — 09/2008) 3' E90 LCI (07/2007 — 12/2011) 3' E91 (02/2004 — 08/2008)…
• Choice of Walbro 450 (F90000274) or Walbro 525 (F90000285) pump Instructions for sending your pump in to be upgraded!
• BMW 1 Series1' E88 (11/2006 — 10/2013)1' E82 (11/2006 — 10/2013) BMW 3 Series3' E90 (02/2004 — 09/2008)3' E90 LCI (07/2007 — 12/2011)3' E91 (02/2004 — 08/2008)3' E91 LCI (07/2007…
• Recommended accessories: Lock Ring Removal Tool Hobb's switch Ethanol sensor Bucketless LFPF Upgrades Compatible with the following vehicles: 1' E88 (11/2006 — 10/2013) 1' E82…
• A new E85 compatible Walbro 450 pump (F90000274) Optional upgrade to Walbro 525 pump (F90000285) *Stage 4 kit requires our return kit *Stage 4 kits are ONLY compatible with…
• Recommended accessories: Lock Ring Removal Tool Hobb's switch Ethanol sensor Compatible with the following vehicles: 1' E88 (11/2006 — 10/2013) 1' E82 (11/2006 — 10/2013) 3' E90…

OEM and cross-reference numbers

• 90000274
• 90000285
• 90000295

BMW tuning checks before ordering

1. Compare the complete part number, including any superseded number.
2. Verify the vehicle VIN, production date, engine and option codes.
3. Compare connector, mounting position and left/right orientation where applicable.
4. Confirm any required supporting tune, hardware and professional installation.

Frequently asked questions

Will 90000274 fit my BMW?

Confirm the reference, chassis, engine, VIN and production date before purchase.

Is the EUR price final?

No. It is an indicative conversion and may exclude delivery, tax, duties or supplier price changes.

Does this performance part require installation or tuning?

Requirements vary by product. Confirm supporting hardware, software and installation needs before ordering.

Compatibility, availability and pricing must be confirmed before ordering.