11–13 E82/E88 135i / 11–13 E90/E92/E93 335i N55 MEVD17.2.6 CUSTOM FI TUNE (MHD+)

BMW E‑chassis N55 custom ECU tuning using MHD with MHD+ features by Poverty Built. This is a fully custom, single‑price calibration that leverages on‑the‑fly map switching, rolling anti‑lag, boost‑by‑gear, adjustable burbles, and (where hardware supports it) flex‑fuel blending on MEVD17.2.6. Built for street and track with conservative, data‑driven mapping and OEM‑smooth drivability.

Fits:

• 2011–2013 E82/E88 135i — N55, MEVD17.2.6

• 2011–2013 E90/E92/E93 335i — N55, MEVD17.2.6

What Poverty Built does for this platform: Poverty Built focuses on torque you can actually use, with clean transient behavior and safe thermal management. For N55 + MEVD17.2.6 we calibrate:

• Driver’s request → torque model → torque/boost limiters by gear

• Boost control (WGDC base/comp, spool & taper), load/air model, and PID

• Fueling targets (lambda) & fuel pressure control for your fuel type(s)

• Ignition timing, knock strategy windows, IAT/CLT compensations

• Throttle mapping for precise, predictable part‑throttle

• MHD/MHD+ live adjustables (map slots, burble tables, max‑cool, etc.)

• Plausibility/diagnostics alignment; safety‑critical monitors remain intact

PRICING & OPTIONS

• Custom tune: $380 (includes one primary map)

• Additional maps: Add up to 3 extra maps — $60 for three or $20 each (e.g., 91, 93, E30; valet; anti‑lag profile)

(All maps are built for your exact hardware & fuel. MHD+ is required to use features like on‑the‑fly map switching and rolling anti‑lag.)

WHAT YOU GET

• OEM‑smooth drivability with crisp response and stable boost control

• Torque shaping by gear for traction and transmission health

• Repeatable power on pump gas and blends (when supported)

• Revisions with datalogs until it’s dialed (we’ll specify what to capture)

RECOMMENDED SUPPORTING MODS

• High‑quality FMIC and upgraded chargepipe (factory plastics are failure‑prone)

• Healthy coils and one‑step‑colder spark plugs (gapped correctly)

• LPFP upgrade if running higher ethanol blends or sustained high load

• Free‑flow downpipe/exhaust for track/off‑road use; quality intake optional

• Fresh maintenance: filters, PCV, no boost/vacuum leaks, clean MAF/TMAP

HOW ORDERING WORKS

1. Purchase the custom tune and choose your extra map add‑ons if desired (up to 3).

2. In the order notes, list fuel(s) (e.g., 91/93/E30), mods, and desired map slots (e.g., 1=91, 2=E30, 3=valet, 4=kill).

3. Provide your MHD backup (MEVD17.2.6) and we’ll send flashing steps.

4. Flash with MHD, send a couple of clean datalogs → we iterate to finalize.

LEGAL & OFF‑ROAD USE

Any calibration that affects emissions equipment (e.g., catalytic monitor readiness, rear O2 reporting) is for closed‑course competition/off‑road use only. You are responsible for knowing and following local laws.

POVERTY BUILT DISCLAIMER

By purchasing this product, you agree that Poverty Built LLC is not liable for any damages including, but not limited to: engine failure, drivetrain damage, emissions violations, incomplete tuning results, or any indirect, incidental, or consequential damages arising from tuning services. All tuning is intended for off-road or motorsport use only and is not certified for use on public highways or as a method of emissions defeat. You also agree to our posted refund policy, and acknowledge that tuning results may vary depending on vehicle condition, modifications, and installation quality. It is your responsibility to ensure your vehicle is mechanically sound and properly maintained before and after any tuning service.