BMW 135i / 335i N54 or BMW M3 / M4 F80 / F82? Both use a BMW-built inline-six. Here's how far each one goes, using the makers' and tuners' own figures from our two guides.
At a glance
| BMW 135i / 335i N54 | BMW M3 / M4 F80 / F82 | |
|---|---|---|
| Years | 2007–2010 | 2014–2020 |
| Engine | 3.0 twin-turbo inline-six N54 | 3.0 twin-turbo inline-six S55 |
| Stock power | US 300 hp / 300 lb-ft; UK 306 hp / 400 Nm | 425 hp / 406 lb-ft (Competition 444 hp) (US) |
Power by stage
| BMW 135i / 335i N54 | BMW M3 / M4 F80 / F82 | |
|---|---|---|
| Stock | 300 hp | 425 hp |
| Stage 1 | 360–400 hp | 500–540 hp |
| Stage 2 | 380–440 hp | 530–575 hp |
| Stage 3 | 430–480 whp | 620–710 hp |
| Stage 4 | 600–700 whp | 800–900 whp |
Figures are the tuners' own claims from each guide, on the fuel each tuner states.
Typical parts cost
| BMW 135i / 335i N54 | BMW M3 / M4 F80 / F82 | |
|---|---|---|
| Stage 1 | MHD flasher €109 plus maps €59, Dinan $405, COBB Accessport $675 (ModBargains) or JB4 $479 (BMP Tuning). | $579–$924 (JB4, bootmod3, Dinan, Active Autowerke); MHD €279 licence plus €109 per map pack; €609–€3,743 (RaceChip, Mosselman, G-Power, AC Schnitzer); Dinan+ with warranty $1,750. Pinned crank hub $429–$975 (Mosselman, VAC). |
| Stage 2 | VRSF downpipes from $285; VRSF intercooler from $379.99 on sale or Wagner EVO3 $1,150. | downpipes $480–$1,999 (VRSF, Active Autowerke); charge cooler $750–$1,695 (Dinan, CSF); Mosselman remap with downpipes €2,651 before tax. |
| Stage 3 | Pure Turbos Stage 2 £3,630.53 (R44 Performance); Fuel-It! port injection with JB4 $1,549.95; dual Walbro 450 pump $680. | turbos $2,995–$5,685 (Pure) or €4,248 before tax (Mosselman); DCT clutches $2,599; Manhart's full kit €37,500. |
List prices from the guides, before shipping, import tax and fitting. "—" means that guide has no cost line for the stage.
Where each one ends up
At Stage 4 the BMW 135i / 335i N54 reaches 600–700 whp and the BMW M3 / M4 F80 / F82 800–900 whp.