BMW 328d Stage 1 Tune — OBD Flash with Q-PRO+, Pre-LCI Models (2014–2015) | KermaTDI

What it is
This is a Stage 1 performance tune for the BMW 328d diesel, delivered via the Q-PRO+ programmer over the OBD port — no mechanic visit or ECU removal required for this specific model range.

Performance gains

• +50 whp, +70 wtq at the wheels (dyno-measured, not crank) — described as approaching 350 lb-ft of wheeled torque
• Up to 10% MPG improvement on long-distance driving
• Instant turbo response — turbo lag is described as removed
• More power delivered in the mid and top RPM range

Which BMW 328d generation this applies to
This tune covers Pre-LCI (pre-facelift) models only: 2014–2015, including xDrive. Post-LCI (facelift) 2016–2018 models require bench tuning instead — the ECU must be sent in, and that's a separate product listing (BMW 328d Bench Tuning, 2016–2018), not this one.

How it's installed
Flash via the Q-PRO+ module over the OBD port, from home. No mechanic visit needed. Price includes both the Q-PRO+ module and the tune.

The Q-PRO+ programmer
Stores both stock and tuned settings — switch back to stock before a dealer visit, then re-flash the tune afterward.

Requirements and limitations

• Requires the vehicle's stock emissions system to remain fully installed — described as not a flow bottleneck for this tune's performance
• Windows-based computer required for the Q-PRO+ software; does not work on macOS
• Vehicle year/model and transmission type (manual or auto) required at checkout

Fitment
2014–2015 BMW 328d, including xDrive (Pre-LCI/pre-facelift models only).

Common questions

Does this fit a 2016 328d? No — 2016 and later are Post-LCI (facelift) models and require a separate bench-tuning product where the ECU is sent in, not this OBD-flash tune.

Do I need to remove my emissions equipment for more power? No — this tune is designed to work with the stock emissions system intact, and KermaTDI states exhaust flow isn't a limiting factor for this tune's performance.

Can I install this on a Mac? No, the Q-PRO+ software requires Windows.

Does this work on xDrive (all-wheel drive) 328d models? Yes, xDrive is explicitly included in the fitment.

What's the difference between this and KermaTDI's other 328d tuning listing? This one is the OBD-flash Stage 1 tune for Pre-LCI 2014–2015 cars. The Post-LCI 2016–2018 cars need the separate bench/remote tuning product instead, since they can't be flashed the same way.