M140i / M240i
F20 / F22 · B58 · Non-OPF & OPF Variants
The M140i is one of the most tuneable platforms BMW has ever built. The B58 engine responds brilliantly to remapping — delivering serious power gains while remaining completely reliable for daily use.
Tuning Packages
Non-OPF
460
BHP
700
NM Torque
480
BHP
750
NM Torque
OPF (B58TU)
460
BHP
700
NM Torque
480
BHP
750
NM Torque
B58TU HPFP upgrade included
DAW Hypercore Turbo Build — B58 & B58TU
550–570
BHP
800
NM Torque
- ✓ DAW Hypercore turbo & fitting kit
- ✓ B58TU HPFP
- ✓ Engine oil & filter
- ✓ Upgraded spark plugs
- ✓ Tailor-made builds up to 1,500 BHP on request
⏱ Turnaround: 5–7 days
Stage 3 Add-ons
- → OPF delete add-on +£300 (required for OPF)
- → OPF + resonator delete midpipe +£700 (optional for OPF)
- → Non-OPF double res delete +£700 (optional)
- → E30 Tuning (multi-map) £750 (~600-630 BHP, requires MHD)
- → MHD Licence £450 (required for multi-map / anti-lag)
- → MHD Flex Fuel Analyser incl. fitting £700
- → Ethanol 19L barrel £150
Why the B58 is Such a Great Tuning Platform
BMW's B58 is widely regarded as one of the best modern inline-6 engines ever made. It features a closed-deck block, strong forged internals from the factory, and a single twin-scroll turbo that responds exceptionally well to remapping. The result is massive, reliable power gains with no compromise on daily drivability.
- → Non-OPF Stage 2: 460 BHP / 700 NM from £1,800
- → Strong forged internals handle the extra power with ease
- → Free adjustments on all tuning work
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