1. [Home](https://koala-locksmith.com/) 2. [Car Keys](https://koala-locksmith.com/cars) 3. [BMW](https://koala-locksmith.com/cars/bmw) 4. [X4](https://koala-locksmith.com/cars/bmw/x4) 5. 2018 [BBBAccredited Business](https://www.bbb.org/us/fl/jacksonville/profile/locksmith/koala-locksmith-llc-0403-236033367) # 2018 BMW X4 Key Service See key replacement details, pricing, and technical specifications for your vehicle below. Make Model Year Can't find your car? We cover most brands. Message us, and we’ll check vehicle support and availability. YOUR VEHICLE ## Replace Your 2018 BMW X4 Key — Mobile Service Mobile key replacement in Jacksonville — confirm your vehicle and location before booking. ### Spare Key for Your X4 Our Price $325–$425 When you still have a working key. ### All Keys Lost Our Price $440–$575 When every key is lost or stolen. Our price ranges are estimates; vehicle, location, timing and urgency affect costs. Our travel and time-based fees are disclosed before dispatch; you approve the complete price before work. See our [pricing terms](https://koala-locksmith.com/terms#pricing). ### Key information — 2018 BMW X4 These are candidate key, remote, vehicle-equipment, or immobilizer-system references for this model year. Match the VIN, original key, chassis, build date, trim, ignition type, equipment, and market as applicable before ordering. Separate entries are alternatives or overlapping source applications; do not combine them into one key or treat a candidate as confirmed equipment for the individual vehicle. **Immobilizer system referenceX4 — CAS4 candidate; source range 2014-2018; U.S. year intersection 2015–2018** Immobilizer CAS4 Candidate application, not a VIN-level identification. Model year alone may not identify the system: confirm the chassis, build date, market and installed equipment. Transition-year overlaps are expected. This reference does not establish chip, blade, FCC ID, radio frequency, proximity features or service availability. Third-party series/year summary; the source does not specify a market or distinguish model year from production year. The lookup range is capped at 2018; the source range is retained separately. Listed model years: 2015–2018. Source: [Transpondery — BMW CAS/FEM/BDC application summary](https://www.transpondery.com/vehicle-security-systems/bmw-cas_fem_bdc-list.html) **Immobilizer system referenceX4 — BDC2 candidate; source range 2018+; U.S. year intersection 2018–2018** Immobilizer BDC2 Candidate application, not a VIN-level identification. Model year alone may not identify the system: confirm the chassis, build date, market and installed equipment. Transition-year overlaps are expected. This reference does not establish chip, blade, FCC ID, radio frequency, proximity features or service availability. Third-party series/year summary; the source does not specify a market or distinguish model year from production year. The lookup range is capped at 2018; the source range is retained separately. Listed model years: 2018. Source: [Transpondery — BMW CAS/FEM/BDC application summary](https://www.transpondery.com/vehicle-security-systems/bmw-cas_fem_bdc-list.html) A part number identifies a part; an FCC ID identifies a radio device approval. A matching frequency alone does not establish compatibility. Catalog references do not confirm local stock or service availability. ### About Your 2018 BMW X4 The model name or year alone does not establish the installed immobilizer, key type, or programming method. Confirm the VIN, market, trim, and any replaced components against the source references and the vehicle. Confirm your vehicle details and whether any working keys remain so we can quote the applicable service before dispatch. #### Before your key appointment Have your VIN, trim, and any existing keys available. Describe how you start the vehicle: turn a key, press a button, or use both. Tell us whether any working keys remain and whether you need a spare, a replacement remote, or help after losing every key. Include a photo of the original key and its label when available. #### In Jacksonville For supported 2018 BMW X4 jobs, confirm your location, parts availability, and appointment time before booking. Our business hours are 7 AM – 10 PM, every day. Travel and time-based charges are disclosed before dispatch, and you approve the complete price before work begins. [Read the full BMW X4 guide](https://koala-locksmith.com/cars/bmw/x4) Ready to get your BMW X4 key? [Call Now](tel:+19045159573)[WhatsApp](https://api.whatsapp.com/send?phone=19045159573&text=New%20Estimate%20Request%3A%0AVehicle%3A%202018%20BMW%20X4) ## Browse by Make Explore our vehicle catalog — open your brand for model pricing, key specs, and service availability. 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