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BMW E90 / E91 / E92 / E93 3 Series Ignition Key Reader / EWS Antenna Coil - 6954720
Overview
Used BMW E90 / E91 / E92 / E93 3 Series Ignition Key Reader / EWS Antenna Coil - 6954720 — genuine OEM key reader / immobiliser antenna coil that wraps around the ignition lock barrel and reads the transponder in the key when inserted. Part of the CAS (Car Access System) / EWS3 immobiliser circuit. Common cause of intermittent no-start, "Key Not Recognised" messages, and CAS fault codes when the internal coil fails or the connector loses continuity.
Note: The front fascia / bezel is NOT included with this listing — reader unit only. Reuse your existing fascia or source one separately.
Vehicle Fitment
- 3' E90 (02/2004 — 09/2008) Sedan — all engines
- 3' E90 LCI (07/2007 — 12/2011) Sedan — all engines
- 3' E91 (02/2004 — 08/2008) Touring — all engines
- 3' E91 LCI (07/2007 — 05/2012) Touring — all engines
- 3' E92 (05/2005 — 02/2010) Coupé — all engines
- 3' E92 LCI (11/2008 — 06/2013) Coupé — all engines
- 3' E93 (12/2005 — 02/2010) Convertible — all engines
- 3' E93 LCI (11/2008 — 10/2013) Convertible — all engines
Specifications
| Application | EWS / CAS3 transponder reader coil — fits around ignition barrel |
| Includes | Reader unit only — front fascia / bezel NOT included |
| Coding | Will require coding to match your existing keys / CAS module |
| Condition | Used — removed from a running vehicle |
Cross Reference Part Numbers
- OE alt — 66126937495
- OE alt — 66129172372
OEM Part Number: 6954720
Full BMW Part Number: 66126954720
Condition
This is a used genuine OEM part. It has been removed from a running vehicle and visually inspected. Normal wear consistent with use. Coding required: this part needs to be coded to your existing CAS module / keys after fitment — please factor in coding labour or the cost of a diagnostic tool capable of programming the key reader. Sold as-is — please confirm fitment with your vehicle before purchasing.
Shipping & returns
Shipping: Orders placed before 12pm ship same day from our Australian warehouse. Express & standard options at checkout.
Returns: 14-day returns on any part that doesn’t fit or you no longer need. A 20% restocking fee applies. Original packaging required. Start a return from your account.
Parts warranty: Used parts — 3 months, unlimited km. New parts — 6 months, unlimited km. Some listings may specify a different period, which will be noted in the ad. This is a parts warranty only and does not cover labour or fitting. Full terms on our Returns & Warranty policy.
* Product descriptions are written with AI assistance and may contain errors
