Fault Codes
Enter an OBD or BMW/DME code, see what WrenchGuide has actually verified, and work from checks and evidence rather than blindly replacing parts.
YOUR WORKSHOP CONTEXT
Keep the exact car in context so WrenchGuide can surface the right jobs, parts, tools and technical information for the vehicle you are actually working on.
YOUR GARAGE
Add a vehicle below so WrenchGuide can show the most relevant repair guides.
JOBS & DIAGNOSTICS FOR YOUR GARAGE
Look up a fault code or open the best-matched repair work for this car. WrenchGuide keeps uncertain diagnostic information clearly marked instead of guessing.
Enter an OBD or BMW/DME code, see what WrenchGuide has actually verified, and work from checks and evidence rather than blindly replacing parts.
Complete E91 cabin-microfilter replacement with current MANN fitment evidence, preparation inventory and post-install airflow checks.
A complete walk-around and cockpit inspection that teaches a novice how to spot visibility, tyre, fluid-leak, lighting and warning-state problems before committing the car to a road test.
A complete novice journey for putting the E91 wipers in service position, replacing both front blades without striking the glass, and validating sweep and clearance.

GARAGE VEHICLE VISUAL
The BMW E91 Touring LCI is WrenchGuide's current pilot. Add a vehicle below for exact-model matching, or add your own photo now to personalise this Garage.
M 93 · Wikimedia Commons · public domain →Image only · up to 12 MB · local device storageSERVICE HISTORY
For now WrenchGuide uses service dates for reminders. Mileage is useful history, but it is never used to guess how far you have driven since the last update.
Add the last known service date and WrenchGuide can give you simple calendar-based reminders.
Add the most recent service you know about; you do not need a complete history to start.
NETHERLANDS VEHICLE LOOKUP
Pull public vehicle, fuel, APK and recall status directly from RDW. No owner data is requested or stored.
MY WORKSHOP DATA
Export Garage details, service history, job readiness, procedure progress and personal step notes. A full backup can also carry your locally stored Garage photo and teardown photos.
Save a versioned JSON backup that can be restored on another browser or device.
Imports only recognised WrenchGuide Garage/service/progress/readiness/note state and validated image records. Matching saved items are replaced.
Current restore limit: 150 MB per backup file.