Tuning company BBR has developed a series of upgrades for the Mazda 2.3-litre DSI turbo engine, which powers the MPS versions of the Mazda 3 and 6. The tuning upgrades are available in three phases.

The tuning company has been tuning the Mazda 3 MPS for years, as well as offering ... 2.2-litre turbo diesel engines fitted to the 3, 5, 6 and CX7 models. BBR’s Phase 1 upgrade boosts power ...