E9 Engine Parts Index
M30 engine components, gaskets, and service items organized by assembly.
DraftParts
Part explanations, diagram summaries, interchange notes, and sourcing guidance. Original write-ups from study; no factory catalog reproductions.
Organized reference to major component groups across both platforms.
M30 engine components, gaskets, and service items organized by assembly.
DraftControl arms, struts, bushings, and steering components by part number.
DraftM88, gearbox, and driveline components with part number reference.
DraftOriginal diagram summaries explaining assembly relationships. Illustrations pending. for future custom illustrations.
How to read BMW part numbers, supersession chains, and common numbering conventions for these platforms.
Cross-platform and cross-year component compatibility notes.
Shared M30, suspension, and brake components across contemporary BMW models.
DraftComponents that changed between early and late E9 production.
DraftM88 engine family interchange with M635CSi and motorsport variants.
DraftObsolete, NLA, and difficult-to-source components with known alternatives.
Structural sections no longer available from BMW and known reproduction sources.
DraftDiscontinued trim, switches, and interior hardware with sourcing notes.
DraftKnown suppliers, remanufacturers, and specialist fabricators for M1 components.
DraftGuidance on when reproduction, remanufactured, or upgraded parts are appropriate.
Evaluating aftermarket panel fit, gauge, and structural correctness.
DraftBushings, seals, gaskets, and wear items: OEM vs aftermarket considerations.
DraftWhen to preserve original components and when replacement is justified.
Draft