The DeatschWerks DW420 Series is a 420 LPH in-tank fuel pump supplied with a vehicle-specific install kit for the BMW E36 and E46 platforms. It mounts in the factory pump location and delivers the fuel volume required for high-horsepower and forced-induction builds. The kit adapts the universal pump body to the OE fuel module for a direct fit.
| Type | In-tank high-flow fuel pump |
| Series | DW420 |
| Flow | 420 LPH |
| Mounting | In-tank |
| Includes | Vehicle-specific install kit |
| Fitment | BMW E36 / E46 325i 328i 330i M3 |
| Part Number | 9-421-1031 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1992-1995 | BMW | 325i | Base |
| 1992-1995 | BMW | 325is | Base |
| 2000 | BMW | 328Ci | Base |
| 1996-2000 | BMW | 328i | Base |
| 1996-1999 | BMW | 328is | Base |
| 2001-2006 | BMW | 330Ci | Base |
| 2001-2005 | BMW | 330i | Base |
| 2001-2005 | BMW | 330xi | Base |
| 1995-1999 | BMW | M3 | Base |
| 2001-2006 | BMW | M3 | Base |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
