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BMW 1600 (Trunk key C) 1968-1976 Key Codes

The BMW 1600 (Trunk key C) 1968-1976 uses key code series SX, with 240 documented codes spanning the range SX1-SX240. Uses a 5-cut single-sided profile. Set the duplicator to flat-bottom cuts 0.1″ wide. Code is typically stamped on the original key bow or available via the VIN through the dealer. Bitting data verified as of May 25, 2026.

Code prefix
SX
Code range
SX1-SX240
Years
1968-1976
Total codes
240
Cuts per key
5
Last verified

Common questions

What key code series does the BMW 1600 (Trunk key C) 1968-1976 use?
The BMW 1600 (Trunk key C) 1968-1976 uses key code series SX, with 240 documented codes ranging from SX1-SX240.
How many cuts does a BMW 1600 (Trunk key C) 1968-1976 key have?
5 cuts on a single-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
When was the BMW 1600 (Trunk key C) 1968-1976 key data last verified?
Bitting data for the BMW 1600 (Trunk key C) 1968-1976 was last verified May 25, 2026. Verification timestamps are tracked per series, and updates appear here as locksmiths confirm code accuracy in the field.

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