BMW 540i / 545e

B58 3.0 Twin-Turbo Inline-6 — G30 / G31

The G30/G31 540i is the sleeper executive saloon that nobody sees coming. With a bespoke B58 remap, it becomes a genuinely rapid machine while retaining all the refinement and comfort you'd expect from a 5 Series.

Tuning Packages

Stage 1

440-450

BHP

650-700

NM Torque

✓ Bespoke ECU remap
✓ Transmission tune available
✓ Before & after dyno testing
✓ No hardware modifications required

⏱ Turnaround: 4–6 hours (same day)

Stage 2

460-470

BHP

700

NM Torque

✓ Upgraded intake & intercooler recommended
✓ Downpipe upgrade recommended
✓ Transmission tune included
✓ Before & after dyno testing

⏱ Turnaround: 2–4 days

540i vs 545e — Petrol & Hybrid

Both the 540i (pure petrol) and 545e (plug-in hybrid) share the same B58 engine block and respond to ECU tuning in the same way. The 545e also benefits from transmission tuning to optimise the interaction between the combustion engine and electric motor.

→ 540i factory: ~340BHP — Stage 1 takes it to 440-450BHP
→ 545e hybrid system can also be optimised
→ Free adjustments on all tuning work

Book Your 540i / 545e In Now

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