22RPD N52B25 Tune
This item is fulfilled directly by 22RPD — you'll complete checkout on their site.
Not sure it fits? Send us your VIN or save your car in the Garage.
- Build a tune
Pick the tune that matches your car and mods. Stage 1 for stock or bolt-on cars, Stage 2 for a 3-stage intake manifold, headers or custom parts.
- Complete purchase
Check out here. Then send your VIN, reads and mod list when you're ready. Your support window doesn't start until you do.
- Personal tune review
22RPD reviews your car's details and builds your calibration. Every tune includes 5 support credits for log reviews and revisions.
- Flash & enjoy
Flash the file and drive. You keep access to your tune with no expiration, so you can re-download or re-flash it any time.
Questions about options or support? See the tune option glossary and tune revision policy, or contact us.
22RPD ECU tuning for the BMW N52B25 (2.5L) — found in the 2006 E90 325i, the E60 525i and the Z4 2.5i. Every tune is built from your uploaded logs, not an off-the-shelf map.
- Naturally aspirated tune — smooth to 7,500 rpm. Suggested setups: drop-in filter or AFE intake, 3-stage DISA manifold with headers, or an N54 intake manifold with headers.
- Supercharged tune — for cars running a supercharger kit with the 22RPD N52 SC upgrade kit, from a 100mm pulley at 8.5 psi up to an 80mm pulley at 13 psi.
- Optional add-ons: pops and bangs, MAF delete, E85, hard-cut limiter and left-foot braking.
- Flashing needs a 15A+ battery tender and a Windows 10 or newer PC.
Sold and supported by 22RPD. Click Buy on 22RPD to order.
