BMW 6 Series / 640i
BMW N55B30 · Downpipe · B
T304 stainless downpipe variant B for the BMW N55B30 3.0T — straight catalytic section, flex pipe, OE flanges.
Specification
BMW N55B30 · Downpipe · B — details
| Material | T304 stainless |
| Valves | None — downpipe |
| Main pipe | Per chassis — confirm at enquiry |
| Tips | Per model — confirm at enquiry |
| System type | Downpipes & resonator sections |
| Fitment | BMW N55B30 3.0T — 535i / 640i and other N55 chassis |
| 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
