Transponder key
66 12 3 456 37766123456377·short number 3456377Genuine BMW Part
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01 View BMW DiagramSee this part on the official exploded view→What's Included
Sold as part of these kits
Genuine BMW part 66 12 3 456 377: Transponder key. The number stamped on the part is 66123456377; BMW's catalog files it under the short number 3456377. You will find it on our Instruments & Electronics shelf, under Radio-controlled locking system. It supersedes the older numbers 2186040 and 3428262, so a part carrying any of them is the same part.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
BMW draws it on 3 diagrams, among them Key (41_1783) and Key (41_1932). It weighs about 20 g (under 0.1 lb). It also comes in BMW kit Set of keys with CAS control unit (0035568).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
66 12 3 456 377661234563773456377No fitment data available for this part.
Every used part is inspected and graded before listing. Condition grades:
- Good — minimal wear, fully functional.
- Fair — normal wear, fully functional.
- Acceptable — visible wear, still functional.
Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.
Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.