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FCC ID cross-reference

FCC ID KR55WK49127

Fits BMW (2003–2012)

KR55WK49127 is the FCC ID printed on the label under the fob’s battery cover — on this code we verify fit for BMW (2003–2012). 2 aftermarket replacements are published, all in stock.

See all 2 parts
  • Makes
    1
    BMW
  • Models
    3
  • Model years
    2003–2012
  • Frequency
    315
    MHz
  • In stock
    2 / 2
    2 SKUs
Will it fit?

Vehicles verified for KR55WK49127

BMW

3 models
  • 3 Series
  • 5 Series
  • E60 E70 E90

Model years 2003–2012.

Which part fits which model

Each listing for this code, with the models and years it is verified for.

Part numbers & specs

Cross-reference data for KR55WK49127

Cross-references (original part numbers)

4

The original part numbers our aftermarket KR55WK49127 replacements match against. Tap a number to copy it.

Electronics

Frequency
315 MHz
Transponder chip
PCF7945A / HITAG 2 / 46 CHIP
Buttons
3
Key types
Smart Key
IC ID (Canada)
Visual guide

Four checks before you program

  1. 1

    FCC ID on the label

    The code on the customer's key must read exactly the same.

    This code
    KR55WK49127
  2. 2

    Frequency

    A remote on the wrong frequency will never talk to the car, even if it looks identical.

    This code
    315 MHz
  3. 3

    Buttons & layout

    Match the button count and the button layout to the original key.

    This code
    3-button
  4. 4

    Transponder chip

    For push-to-start and keyed ignitions, the chip has to match the immobiliser.

    This code
    PCF7945A / HITAG 2 / 46 CHIP
Programming guaranteeIf it won't program on the listed vehicle, we refund it and pay the return freight.Terms
Order

Aftermarket replacements for KR55WK49127

2 of 2 in stock
2003-2012 BMW 3 / 5 Series E60 E70 E9 / 3-Button Smart Key / KR55WK49127 KR55WK49123 / CAS3 (315 MHz) (Aftermarket)
In stock
CKSSmart Key

2003-2012 BMW 3 / 5 Series E60 E70 E9 / 3-Button Smart Key / KR55WK49127 KR55WK49123 / CAS3 (315 MHz) (Aftermarket)

FCC KR55WK49127315MHz3-btn2003–2012PCF7945A / HITAG 2 / 46 CHIP
Members-only pricing
View details
2003-2011 BMW 3 / 5 Series / 3-Button Smart Key / PN: PRX-BMW-3B1 / KR55WK49127
In stock
ILCOSmart Key

2003-2011 BMW 3 / 5 Series / 3-Button Smart Key / PN: PRX-BMW-3B1 / KR55WK49127

FCC KR55WK49127315MHz3-btn2003–2011
Members-only pricing
View details
Quick answers

Quick answers — FCC ID KR55WK49127

What vehicles use FCC ID KR55WK49127?

FCC ID KR55WK49127 is verified in our catalog for BMW (3 Series, 5 Series, E60 E70 E90), model years 2003–2012.

What chip and frequency does KR55WK49127 use?

KR55WK49127 keys use the PCF7945A / HITAG 2 / 46 CHIP transponder chip and operate at 315 MHz.

Is there a replacement for KR55WK49127?

Yes — Car Key Source stocks 2 aftermarket smart key replacements for FCC ID KR55WK49127, sold wholesale to the trade with US & Canada same-day dispatch.

What original part numbers cross-reference to KR55WK49127?

FCC ID KR55WK49127 cross-references to original part numbers 66126986583, 6986583, 698658305, PRX-BMW-3B1 — our replacements are matched against these originals.

More BMW FCC IDs we stock

Browse all FCC IDs

Need help confirming fit for KR55WK49127?

Leave your email and phone — we’ll verify the cross-reference against the vehicle on your bench and reply with the exact SKU. No spam, ever.

So we can call you about fitment or your order.

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