Body Style: convertible; Lighting: halogen

2007 BMW 328I Headlight Bulbs & Lighting Guide

Choose the factory headlight system below to see the correct bulb and recommendation path for this 2007 BMW 328I.

Low beam
H7
High beam
H7
Factory setup
Body Style: convertible; Lighting: halogen

Choose the factory system installed in this vehicle. Bulb sizes and recommendations change with that selection.

2007 BMW 328I representative vehicle image

Best headlight upgrades

These products were physically tested by BulbFacts, but the tests were not performed in this exact vehicle unless a card explicitly says otherwise.

Body Style: convertible; Lighting: halogen

High/Low Beam Combined: H7

Best direct replacement

OSRAM Night Breaker 200

High/Low Beam Combined H7

BulbFacts testedCorrect bulb size
Best Standard Reflector Upgrade

The Night Breaker 200 is the top standard-wattage reflector recommendation at the time of review. Anything scoring higher in the reflector chart uses much higher wattage, while the NB200 keeps the simple drop-in halogen format.

General BulbFacts housing test

A matching bulb size identifies fitment; it does not by itself prove optical compatibility or make a conversion a vehicle-specific recommendation.

Support independent testing: BulbFacts may earn a commission from qualifying purchases through these links, at no extra cost to you. Affiliate relationships do not determine test results or recommendations.

Other bulbs

Available exterior and interior lighting data for this model year.

Cargo / Trunk Light
6418Likely fitment
Dome Light
T10Likely fitment
Front Turn Signal
6418Likely fitment
Glove Box Light
6418Likely fitment
License Plate Light
6418Likely fitment
Map Light
T10Likely fitment
Reverse Light
T15Likely fitment
Stepwell Light
T10Likely fitment
Vanity Mirror Light
6418Likely fitment
Brake Light
1156Likely fitment
Daytime Running Light
H7Likely fitment
Front Side Marker
T10Likely fitment
Technical details and sources

Fitment, factory-system research, and BulbFacts product tests remain separate evidence. A matching bulb size does not by itself make a conversion a vehicle-specific recommendation.

PositionBulb or systemEvidence status
High/Low Beam CombinedBody Style: convertible; Lighting: halogenH7Likely fitment
High/Low Beam CombinedBody Style: convertible; Lighting: HIDD1SLikely fitment
High/Low Beam CombinedBody Style: coupe; Lighting: halogenH7Likely fitment
High/Low Beam CombinedBody Style: coupe; Lighting: HIDD1SLikely fitment
Low BeamBody Style: sedanH7Likely fitment
High BeamBody Style: sedanH7Likely fitment
High/Low Beam CombinedBody Style: sedan; Lighting: halogenH7Likely fitment
High/Low Beam CombinedBody Style: sedan; Lighting: HIDD1SLikely fitment
Low BeamBody Style: wagonH7Likely fitment
High BeamBody Style: wagonH7Likely fitment
High/Low Beam CombinedBody Style: wagon; Lighting: halogenH7Likely fitment
High/Low Beam CombinedBody Style: wagon; Lighting: HIDD1SLikely fitment

Fitment note: Verify the installed bulb, connector, housing, and factory system before ordering. A bulb-size match is not automatically a conversion recommendation or proof of vehicle-specific testing.