BS1 ✓ Factory-verified

Buick · Regular Production Option

Insulation, acoustical package

Years 1982–83, 2008–09 Models 2 Factory citations 2

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Also described as Acoustical insulation package

Also documented for CadillacChevroletGMCOldsmobilePontiacSaturn

Documented applications

Century — A-body (1982–1996) →

• 1982–1983 ◑ Single-source

Enclave — Lambda / GMT967 (2008–2017) →

• 2008–2009 ✓ Factory-verified
  ⛭ GM factory document — 2008 buick enclave rpo code list, p.1.

  ⛭ GM factory document — 2009 buick enclave rpo code list, p.1.

This page aggregates every documented appearance of BS1 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.