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A faulty car bulb needs replacing quickly. Even so, it’s worth taking a closer look before buying OSRAM car bulbs. The designation H4, H7, H11 or D2S alone isn’t always enough. The socket, vehicle model, headlight approval and legal requirements all need to match.
Claims such as “up to 220%” or “up to 450% more brightness” refer to defined reference values and come from the manufacturer’s respective product specifications. They don’t necessarily describe the actual illumination of every vehicle. The condition of the headlight lens, the adjustment of the light beam and the electrical system also influence the result.
A bulb with high light output must not dazzle oncoming traffic either. After installation, the headlight alignment should be checked.
OSRAM LED retrofit bulbs for H4 or H7 are not automatically approved for all vehicles. With several NIGHT BREAKER LED models, the vehicle model, headlight and light function must be listed in the current compatibility list. A general similarity in design to a halogen bulb is therefore not sufficient.
A special case is the NIGHT BREAKER LED SMART ECE H11. According to the product specifications, it has ECE-R37 homologation and is intended as a replacement for H11 bulbs in 12-volt vehicles in ECE member states. For other LED models, the product-specific approvals apply respectively.
The stated lifespan depends on factors including voltage, vibrations, operating time and heat development. A halogen bulb with higher light output can have a different lifespan to a longevity-oriented version. If you drive a lot with daytime running lights or dipped beam, you should take this point into account when choosing.
First, check the bulb you currently use or your vehicle’s owner’s manual. Common types include:
An OSRAM H7 bulb with 55 W and 12 V cannot be replaced by an H4 or H11 version, even if the dimensions look similar. With an OSRAM H4 bulb, you must also consider the values for dipped and main beam.
For many passenger car halogen bulbs, 12 V and a nominal power of 55 W for H7 or 60/55 W for H4 are standard. Luminous flux is given in lumens (lm). However, it is not the only deciding factor: the headlight optics distribute the light and determine the actual light pattern on the road.
LED bulbs usually operate with lower power consumption. The NIGHT BREAKER LED SPEED H7 is specified at 16 W according to the product data, and the H4 version at 14 W. This can reduce energy demand compared to halogen. Depending on the vehicle, a CAN-bus adapter may be required.
Look out for details such as ECE category, ECE R37, ABG or a specific compatibility list. “Off-road” or not clearly described LED bulbs should not simply be used on public roads.
Halogen and xenon bulbs get very hot. Xenon bulbs also operate with high voltage. Replacement should therefore be carried out by a qualified professional. When inserting, the glass bulb must not be touched with bare fingers. After installation, the function, fit and light beam must be checked.
Why this product fits the profile: An H7 halogen bulb with 55 W and 12 V for drivers who want to stick with proven technology and are looking for performance-oriented vehicle lighting.
The H7 socket and ECE category are clearly stated. This reduces the risk of ordering a bulb that looks similar but is not suitable.
According to the product specifications, up to 220% more brightness compared to the legal minimum requirements and a light beam of up to 150 m.
Why this product fits the profile: Suitable for halogen vehicles whose model and light function are approved in the current OSRAM compatibility list and where an LED conversion is desired.
The required check of the compatibility list is expressly stipulated. This avoids a blanket LED conversion without approvals.
According to the product specifications, 6000 K colour temperature, 16 W power consumption and a stated lifespan of up to 3,000 hours Tc.
Why this product fits the profile: An option for high-mileage drivers, vehicles with lights frequently switched on and halogen headlights where fewer replacement intervals are the priority.
The selection is based not only on brightness figures, but on the stated lifespan and the correct H7 socket.
According to the product specifications, the B3 lifespan is 700 hours; the bulb is specified at 55 W, 12 V and ECE category H7.
Why this product fits the profile: For owners of a 12-volt vehicle with an H11 socket who are looking for an LED solution with stated ECE-R37 homologation.
The stated ECE-R37 approval distinguishes this model from LED bulbs without proven road-use approval.
According to the product specifications, 14 W, 1350 lm, 6000 K, IP55 and a stated Tc lifespan of up to 3,000 hours.
For an H4 system, options include the NIGHT BREAKER LASER H4, the NIGHT BREAKER 220 H4 or the NIGHT BREAKER LED START H4. With an LED version, the compatibility list is particularly important.
For a whiter halogen look, the OSRAM COOL BLUE INTENSE H7 with up to 5000 K according to the product specifications is a possible choice. Vehicles with xenon headlights, on the other hand, require suitable xenon bulbs D2S such as the XENARC COOL BLUE INTENSE D2S. Replacement should be carried out by a qualified professional due to the high voltage.
Small bulbs are also part of vehicle lighting: the NIGHT BREAKER LED W5W is intended for certain applications behind white glass according to the product specifications. If error messages appear on the onboard computer, a suitable OSRAM accessory may be required.
We have put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations applicable in the EU.
That depends on the vehicle, headlight and bulb socket. Check the owner’s manual, the old bulb and, for LED models, also the current OSRAM compatibility list. An H7 bulb with PX26d is not automatically approved for every vehicle.
The lifespan varies depending on the series. The product data states, for example, 700 hours B3 for the ULTRA LIFE H7 and 150 hours B3 for certain NIGHT BREAKER H7 models. These figures are comparative values and not a guarantee of the actual service life in an individual vehicle.
Not across the board. Some models are only approved for listed vehicle-headlight combinations. The NIGHT BREAKER LED SMART ECE H11 is homologated according to ECE R37 according to the product specifications; for H4 and H7 LED models, the specific compatibility must be checked before purchase.