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1974 BMW 3.0CS Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.
Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

1974 BMW 3.0CS Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
High BeamH5001—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Low BeamH5006—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Front1156—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Brake Light1156—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Rear1156—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon

1974 BMW 3.0CS Fitment Notes

Our database shows the same listed bulb sizes for the BMW 3.0CS across the 1971 to 1974 range. Still verify your trim, lighting package, and the bulb number in the housing before buying.

Known fitment limitations

  • factory HID or LED packages may use different parts
  • fog lights may depend on equipment package
  • aftermarket headlight assemblies may use different bulbs
  • regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 1974 BMW 3.0CS's bulbs compare to other years?

The 1974 BMW 3.0CS changed bulb sizes from 1973. The previous model year used a different configuration.

This bulb configuration covers the 1974 model years. ← 1973

Finding the best installation guide...

Other 3.0CS Years

197319721971

More from BMW

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Other Vehicles That Use H5006 Bulbs

1991 Isuzu Impulse1989 Jaguar Vanden Plas1989 Jaguar XJ121989 Jaguar XJ61989 Jaguar XJS1988 Ferrari Testarossa

Frequently Asked Questions

Our database lists H5006 for the 1974 BMW 3.0CS low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists H5001 for the 1974 BMW 3.0CS high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 1974 BMW 3.0CS can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed H5006 size against the bulb in the housing before choosing a replacement or upgrade.

The 1974 BMW 3.0CS does not have a fog light bulb listed in our current database. If your vehicle has fog lights, verify the bulb in the housing or owner's manual before buying.

The 1974 BMW 3.0CS uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many H5006 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as H5006, and verify the factory housing before buying.

Yes — the 1974 BMW 3.0CS uses different bulb sizes than the 1973 model. The 1974 generation introduced this bulb configuration.

The 1974 BMW 3.0CS is the only year in the 1974 generation to use the H5006 bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed H5006 low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. Common halogen H5006 replacements are usually cheaper than LED conversion kits. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 1974 BMW 3.0CS.