BMW N52B25 2.5L - E9X 323i, 325i, E6X 523i, E83 X3 2.5i 25i, E85 Z4 2.5si, E89 Z4 23i - Bimmworks Remote Tuning

STAGE 1 Performance tune

• Modifications: None (Stock)
•  +25hp / +32lb-tq

STAGE 2 Performance tune

• Modifications: Catless headers
• +40hp / +50lb-tq

Performance tune key features:

• 7200 RPM rev limiter
• Improved throttle response
• Improved torque management
• Supports upgraded air intakes
• Top speed limiter removed
• No check engine for catless headers
• Developed on Dyno

Available options (Inquiry):

• Cold start delete
• Catless Exhaust
• Exhaust Burbles (Examples)
• Custom RPM rev limiter
• Hardcut limiter
• Ghost cams (lumpy idle)
• Custom top speed limiter
• MSV70 / MSV80 - EWS Delete (contact us)
• Fault codes (DTCs) off
• Secondary O2 Sensor Delete

BimmworksFlasher key features:

• Easy to use
• Comprehensive instructions
• Quick MAP (tune) flash
• Full Original DME backup
• DME unlock
• Recovery feature
• Reads and clears fault codes
• Engine adaptations features
• Stock MAP included

All 2.5L N52B25 E-Series Models including:

• BMW 323i 2006-2011
• BMW 523i  2004-2007
• BMW X3 2.5si, xDrive25i 2005-2010
• BMW Z4 2.5si 2005-2008
• BMW Z4 sDrive23i 2009-2011
• Includes all x-drive models

All our tunes are customizable upon request, visit our GLOSSARY page for options details.

You are buying custom tune files to be used with our included flashing software. Requirements are a Windows computer, a battery charger to keep the car ON while flashing and a high quality K-Dcan cable designed for flash tuning. Generic K+Dcan cables are not recommend. A link to download our flashing software and step by step instructions is automatically sent at order confirmation. Please visit our FAQ page for more information on the remote tuning process, K+Dcan cable recommendations and policies.