BMW E90 3-Series Tail Light Bulb Parts
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BMW E90 3-Series tail light bulb typically cost between $0.89 and $7.89.
What Type Of Bulb Does The BMW E90 3-Series Tail Light Use?
When you need to replace a BMW E90 3-Series tail light bulb, figuring out the right one is key. For most E90 sedans, the outer tail light takes a standard 1156 single-filament bulb for both the brake and signal lights. The inner trunk light uses a different type—usually a 6418 or something similar for the reverse light. It’s always a good move to double-check in your owner’s manual or pull out the old bulb yourself, since different years and trims might have small changes. If you need a second opinion, your local auto parts shop can help match the exact bulb for your car.
How Do I Replace The BMW E90 3-Series Tail Light Bulb?
Swapping out the BMW E90 3-Series tail light bulb isn’t complicated and doesn’t require any fancy tools. First, pop open your trunk and find the liner near the tail light. There’s either a twist-off cap or a small panel you can remove by hand. Once you open it up, grab the bulb holder and twist it counterclockwise to take it out. Gently pull out the old bulb and put the new one in—try not to touch the glass with your fingers if you’re installing a halogen bulb. After everything’s back together, test the lights before you close up to be sure you’re good to go.
What Causes One Side Of The BMW E90 3-Series Tail Light To Stop Working?
It’s pretty common for one BMW E90 3-Series tail light bulb to go out while the other side still works. Usually, it’s just a burnt-out bulb, but sometimes corrosion around the socket or a burnt connector could be the culprit. The E90 is known for having a thin ground wire in the light assembly—especially on the passenger side—which can burn out and cause bulb failure, even if the bulb itself looks fine. If you put in a new bulb and you’re still stuck, give the wiring and connectors a once-over, or consider adding a new ground wire if needed.
Why Does My BMW E90 3-Series Show A Tail Light Warning But Bulb Looks Okay?
Sometimes, the E90’s dash throws a tail light warning even when the BMW E90 3-Series tail light bulb seems to be working with no issue. This usually happens because the car checks the resistance in the circuit—so a dirty socket, weak ground, or even certain aftermarket LEDs can trick the warning system. The bulb might light up, but if the resistance is off, you’ll still get the warning. Cleaning the contacts, sticking with OEM-style bulbs, or fixing any wiring problems usually takes care of it. If you’ve recently switched to LED, adding a resistor kit can help keep the warning light off.
Are LED Bulbs Compatible With The BMW E90 3-Series Tail Lights?
Lots of E90 owners like to upgrade their tail light bulbs to LEDs for a cleaner look and brighter output. While LEDs typically fit without issue, these bulbs use less power, and that can trigger the car’s bulb warning on the dash. The best bet is to use “canbus” LED bulbs designed to work with modern systems—they’re made to match the factory resistance and avoid warnings. For a hassle-free install, look for reputable brands that mention E90 compatibility. Sometimes, adding resistors or updating the car’s coding with a scan tool can also do the trick.
Where Can You Find Affordable BMW E90 3-Series Tail Light Bulbs?
At AutohausAZ, you’ll have no trouble finding the right BMW E90 3-Series tail light bulb for your car. The prices are great—usually much less than what the dealership charges—and your order gets shipped out quickly so you’re not stuck waiting. Returns are straightforward and stress-free if you need to send something back. The goal is to keep you moving with a quality tail light bulb for your BMW E90 3-Series, at a price that makes sense.
