
BMW 1 Series / M135i
BMW 118i F40 · Downpipe · B
Alternate stainless downpipe design for the BMW 118i F40 B38 1.5T — braided flex section, OEM hangers.
Specification
BMW 118i F40 · Downpipe · B — details
| Material | T304 stainless |
| Valves | None — downpipe |
| Main pipe | Per chassis — confirm at enquiry |
| Tips | Per model — confirm at enquiry |
| System type | Headers & front sections |
| Fitment | BMW 118i F40 B38 1.5T |
| Quality | Jig-built, back-purged TIG, pressure tested |
| MOQ / lead time | Sample 1 unit · 2-3 weeks standard |
Fitment notes are indicative — every enquiry is confirmed against your VIN / chassis photos before production.
How it is made
Checked before it leaves the floor.
- Full-penetration, back-purged TIG welds
- Jig-verified fitment on the real chassis layout
- Pressure tested and photo / video documented pre-shipment
- Foam-protected export packing, air or sea freight
Same platform





