A single 3 in mandrel-bent seamless aluminium charge pipe with a CNC machined sensor flange for the N55. do88's SuperFlow SF-1020 flow bench recorded 750 CFM at 0.1 bar (1.45 psi) pressure drop against 542 CFM for the OEM pipe, a 38 percent gain. The pipe carries two plugged 1/8 in 27 NPT connections for water/methanol injection, and the custom silicone hose is built from four layers of polyester/aramid reinforcement for high pressure and temperature. All installation hardware is included.
Specifications
| Type | Intercooler charge pipe (turbo outlet to intercooler) |
| Material | 3 in mandrel-bent seamless aluminium with CNC machined sensor flange |
| Hose Construction | Silicone, four layers of polyester/aramid reinforcement |
| Hose Color | Black |
| Airflow | 750 CFM at 0.1 bar (1.45 psi) pressure drop, versus 542 CFM for the OEM pipe |
| Injection Ports | 2 x 1/8 in 27 NPT for water/methanol injection, supplied plugged |
| OEM Replacement | 13717599294, 13717615026 |
| Part Number | TR-290S |
| Quantity | 1 |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2013 | BMW | 1 Series (E82 / E88) | 135i / 135is, N55 |
| 2010-2013 | BMW | 3 Series (E90 / E91 / E92 / E93) | 335i / 335iX, N55 |
| 2012-2015 | BMW | X1 (E84) | 35i, N55 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
