Supersprint Rear Exhaust with 100 mm Tailpipes for BMW M135i and M140i — F20 F21, N55 and B58 — Part No. 988624
Upgrade the sound and style of your BMW M135i or M140i with the Supersprint rear exhaust and 100 mm dual tailpipes. This is the go-to performance exhaust for BMW 1 Series F20 and F21 owners looking for a deeper, sportier tone, premium stainless steel build quality and a perfect bolt-on fit. Designed specifically for the N55 and B58 platforms, this axle-back rear silencer transforms your M135i or M140i without drone, without cutting and with full street legality.
Why choose this Supersprint exhaust
- BMW M135i and BMW M140i exhaust upgrade for F20 and F21 — precise model-specific engineering for N55 and B58 engines
- Rear exhaust right O100 and left O100 with 100 mm tailpipes for a bold factory-plus look
- No trimming required — the 100 mm tips sit perfectly in the OEM valance
- True symmetrical flow design — unlike the stock muffler, gases are split evenly left and right for a balanced note
- Removes the OEM electronic bypass valve — no electronic, performance or sound issues
- Sporty, refined sound achieved through dedicated silencer internals and optimised piping sections
- ECE/EEC approved for road use, MOT friendly, no OBD warning lights
- Direct bolt-on fit — uses factory hangers, no chassis or mechanical modification required
- European AISI 304 and AISI 409 high-grade stainless steel construction for long-term durability
- Supersprint 36‑month warranty with unlimited mileage
Tailpipe finishes
100 mm tips available on request in matte black, polished black and satin silver to suit your BMW styling.
Kit and installation notes
To be installed as a kit with 524212 and 988603 or 988613.
Fitting is straightforward and quick. For professional installation and supply in the UK, we recommend booking with Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.
Compatibility
- BMW 1 Series F20 and F21 — M135i, N55
- BMW 1 Series F20 and F21 — M140i, B58
Part number
988624
Built to OE-level safety standards
Supersprint components meet strict JASO safety obligations, including thermal management and fire safety in critical areas. Every OEM safety requirement is fully respected.
What we and our customers think
We have supplied and fitted this Supersprint rear exhaust for many M135i and M140i owners. Feedback is consistently positive — excellent fitment, premium stainless finish, a richer soundtrack on throttle and a comfortable cruise. It is the ideal BMW M135i exhaust upgrade and BMW M140i exhaust upgrade if you want quality, sound and style without compromise.
SEO-friendly search terms you might be looking for
BMW M135i exhaust, BMW M140i exhaust, M135i rear silencer, M140i rear silencer, M135i back box, M140i back box, F20 exhaust, F21 exhaust, N55 exhaust, B58 exhaust, Supersprint BMW exhaust, Supersprint M135i, Supersprint M140i, performance exhaust BMW 1 Series, axle-back exhaust M135i, axle-back exhaust M140i, 100 mm tailpipes BMW, stainless steel exhaust BMW.
Manufacturer and warranty
Manufacturer: Supersprint
Warranty: 3 years