The BMW M3 1988-1992 uses key code series HB, with 29,998 documented codes spanning the range HB10001-HB20000, HB40001-HB49999, NB40001-NB49999. Uses a 11-cut double-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.
Code prefix
HB
Code range
HB10001-HB20000, HB40001-HB49999, NB40001-NB49999
Years
1988-1992
Total codes
29,998
Cuts per key
11
Last verified
Verification pending
Common questions
What key code series does the BMW M3 1988-1992 use?
The BMW M3 1988-1992 uses key code series HB, with 29,998 documented codes ranging from HB10001-HB20000, HB40001-HB49999, NB40001-NB49999.
How many cuts does a BMW M3 1988-1992 key have?
11 cuts on a double-sided profile. Each cut position has a depth value documented in the bitting code, which determines the key cutting pattern.
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