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1988 BMW 535is 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.

1988 BMW 535is Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Low Beam4000—Standard listingHalogenHigh
Pending

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

Amazon
High Beam2721—Standard listingHalogenHigh
Pending

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

Amazon
Fog LightH1—If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

AmazoneBay
Brake Light2721—Standard listingHalogenHigh
Pending

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

Amazon
Turn Signal Front7528—Standard listingHalogenHigh
Pending

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

Amazon
Turn Signal Rear7506—Standard listingHalogenHigh
Pending

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

Amazon
Dome Light6411—Standard listingHalogenMedium
Pending

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

Amazon
License Plate6418—Standard listingHalogenMedium
Pending

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

Amazon
Parking Light7528—Standard listingHalogenMedium
Pending

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

Amazon
Reverse Light7506—Standard listingHalogenMedium
Pending

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

Amazon
Trunk Light6418—Standard listingHalogenMedium
Pending

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

Amazon

1988 BMW 535is Fitment Notes

We currently have bulb data for the 1988 BMW 535is. Check back as we expand our database with additional model years and trim-level variations.

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 1988 BMW 535is's bulbs compare to other years?

This bulb configuration covers the 1988 model years.

Finding the best installation guide...

Other 535is Years

More from BMW

1 Series1 Series M128i135i135is16001600-21602

Other Vehicles That Use 4000 Bulbs

1996 Chevrolet W3500 Tiltmaster1996 Chevrolet W4500 Tiltmaster1996 Chevrolet W5500 Tiltmaster1983 Peugeot 5051981 Honda Accord1981 Volkswagen Dasher

Frequently Asked Questions

Our database lists 4000 for the 1988 BMW 535is low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists 2721 for the 1988 BMW 535is high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 1988 BMW 535is can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed 4000 size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists H1 for the 1988 BMW 535is fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 1988 BMW 535is uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many 4000 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as 4000, and verify the factory housing before buying.

Our database has a fog light entry for the 1988 BMW 535is: H1. Fog lights may still depend on trim or equipment package.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed 4000 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 4000 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 1988 BMW 535is.