Milltek Sport HJS Tuning Downpipes for BMW 1 Series M140i F20/F21 LCI (2015-on) 3 & 5 Door - B58 Stainless Performance Exhaust Upgrade - UK Made

Milltek Sport HJS Tuning Downpipes for BMW 1 Series M140i F20/F21 LCI (2015-on) 3 & 5 Door - B58 Stainless Performance Exhaust Upgrade - UK Made

Regular price
£1,860.11
Sale price
£1,860.11
Regular price
Sold out
Unit price
per 
Tax included. Shipping calculated at checkout.

Milltek HJS Tuning Downpipes for BMW M140i F20 F21 LCI 2015-on

Unlock performance, sound and flow on your BMW M140i with Milltek HJS Tuning downpipes. Purpose-built for the M140i 3 door and 5 door F20 and F21 LCI models, these UK-made downpipes deliver a genuine performance exhaust upgrade for the B58 engine while retaining everyday refinement. If you are searching for BMW M140i downpipe, M140i F20 downpipe, F21 LCI downpipe, Milltek M140i downpipe, HJS Tuning downpipe or M140i performance exhaust upgrade, this is the premium solution.

Crafted in the UK for lasting performance

Each Milltek system is designed, developed and hand finished in the UK by experienced craftsmen. Constructed from aerospace grade type 304 non-magnetic stainless steel, the pipework resists discolouration, corrosion and fatigue and is used throughout the downpipes and associated hardware for exceptional durability.

Engineered for flow, response and a refined tone

Mandrel-bent tubing maintains a constant radius through every bend to optimise gas flow, with carefully enlarged bore diameters over stock to reduce back pressure and enhance turbo spool and throttle response without sacrificing mid-range torque. Every Milltek system undergoes extensive acoustic development to create a sporty, crisp note while avoiding unwanted NVH, drone or cabin resonance.

  • Direct-fit Milltek HJS Tuning downpipes for BMW M140i F20 and F21 LCI 2015-on
  • Aerospace grade type 304 stainless steel for strength and longevity
  • Mandrel-bent, enlarged-bore design for optimised gas flow and response
  • Sporty exhaust tone that remains refined on the motorway
  • Precision UK manufacturing and hand-finished quality

Compatibility

BMW M140i 3 door and 5 door F20 and F21 LCI, 2015-on.

Why buy from Nforcd

We have supplied and fitted Milltek HJS Tuning downpipes to many BMW M140i owners and customer feedback has been consistently positive, praising the sharper throttle response, smoother power delivery and the deeper, more engaging exhaust note. We use these parts on our own builds and rate them highly for quality, fit and finish.

Professional fitting available

For installation, we recommend professional fitting at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.

Search-friendly terms

BMW M140i downpipe F20 F21 LCI 2015-on, Milltek M140i downpipe, HJS Tuning downpipes, BMW M140i performance exhaust, M140i B58 downpipe, upgraded downpipe for M140i, performance downpipes BMW 1 Series M140i, stainless steel downpipe, UK made downpipe, Milltek Sport downpipe M140i.

Note: Please check local regulations regarding emissions-related components and vehicle use.