The 2004–2010 X3 uses the same key setup, so everything on this page applies to those years too. The full picture is on the BMW X3 key guide.

2008 BMW X3: key facts

Key type: Remote-head key
Push-to-start: No
Transponder chip: ID44 (PCF7935)
Programming: EEPROM
All keys lost: We can originate new keys on site

EWS system: new keys are originated from the EWS module data on the bench (AK90/Abrites EWS3-class tools) or ordered pre-cut by VIN — all-keys-lost is routine specialist work, no working key needed. The E83 kept EWS to the end of production — no CAS, no slot.

Same key system as the 2004–2010 X3

BMW kept the X3's key system unchanged across 2004–2010, so everything about replacing a 2008 key — blanks, programming, and what happens if every key is lost — matches the rest of that run. The full year-by-year breakdown lives in our BMW X3 key guide.

What drives the price is the key type, whether you still have a working key, and where the car is parked. There's more on BMW programming in general on our BMW key page.

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Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.

2008 BMW X3 key replacement

2008 BMW X3: key facts

Same key system as the 2004–2010 X3

We cover all these cities