Where is the sunroof drain hole located on the BMW 320?

[StColton]

The sunroof drain holes on the BMW 320 are generally located inside the front wheel liners at the front and inside the interior trim panel near the trunk at the rear. Relevant information about the BMW 3 Series is as follows: 1. Exterior: The original sporty style of the 3 Series has been further retained. The polygonal kidney grille and the new Angel Eye headlights feature an additional recess in the middle below the headlights, with the bumper lines extending into the recess to connect with the headlights. From the side profile, the new car remains very sleek, with the rear-wheel-drive setup resulting in a long hood and short rear end, complemented by a continuous waistline and the new Hofmeister kink. The rear of the new car also follows the family design, with L-shaped elongated taillights, a flat rear end, and dual-exit exhausts. The new BMW 320/330 models feature a dual-exhaust layout, with the 330 version additionally sporting a carbon fiber spoiler on the trunk lid. 2. Interior: The overall interior design of the new BMW 320/330 series closely resembles that of the current BMW 5 Series and BMW 7 Series. It is equipped with numerous high-tech features, including a multifunction leather steering wheel, a 12.3-inch full LCD instrument cluster, parking assist system, electric front seat adjustment with memory function for the driver's seat, Intelligent Connectivity Cockpit (including BMW Navigation System, BMW Intelligent Personal Assistant, Remote Software Upgrade, etc.), a 10.25-inch central touchscreen, advanced three-zone automatic climate control, rear independent air conditioning, HUD head-up display, wireless phone charging, and more. 3. Powertrain: Both the 320i/320Li and 330i/330Li are powered by the B48 series 2.0T turbocharged engine, but with different power outputs. The 320i delivers a maximum power of 115KW (156 horsepower), while the 330i offers 190KW (258 horsepower). Both models are paired with an 8AT transmission.

[DelSebastian]

I've been driving a BMW 320 for over a decade and am very familiar with the location of the sunroof drain holes. These holes are typically found at the four corners of the sunroof frame, with each corner having a small hole connected to a drain tube. The tubes run down the pillars and exit near the wheel arches, usually around the front A-pillar or rear C-pillar area. If you neglect cleaning them, accumulated rainwater can backflow into the cabin, soaking the headliner and potentially damaging seats and electronic components—that's when real trouble starts. I remember a few years ago when my car leaked because these holes were clogged with leaves, costing me thousands in repairs. Now, I check them every spring, using a thin wire or compressed air to keep the openings clear. The holes aren't hard to find—just open the sunroof to see the corner openings, and feel around the wheel arches for the small tubes.

[LeLucia]

As a long-time auto repair technician, I'm familiar with the sunroof drainage design of the BMW 320. The drainage holes are positioned along all four edges of the sunroof, each connected to hoses that lead to outlets beneath the vehicle or near the wheel arches. Common causes of blockage include accumulated leaves or dirt, which can lead to water leakage and interior damage. Based on experience, the outlets are typically located above the front wheel arches or along the rear door seams, where they can be easily accessed. A thin tool can be used to clear any obstructions. I recommend that owners regularly flush the drains using a syringe with water or use low-pressure air to blow through the passages. During inspections, pay special attention to the A-pillar joints to ensure proper drainage and prevent unexpected water seepage.

[LeilaniMarie]

I'm a BMW owner and recently cleaned the sunroof drainage holes. They're located at the four corners of the roof, with small holes connected to tubes leading to exit points below the wheel arches. The exits are usually near the front wheels where you can feel them by hand. Last time I noticed water dripping inside the car and realized they were clogged. I fixed it by poking through with a thin wire. These spots are easily overlooked, but regular checks can prevent water leakage issues.

[MacCole]

I pay great attention to car maintenance and regularly check the sunroof drain holes on my BMW 320. The holes are located at the four corners of the sunroof on the roof, with drain tubes leading to exit points near the wheel arches, commonly around the front wheels or the bottom of the rear doors. If left uncleaned for a long time, blockages can cause rainwater to back up, leading to mold on the headliner and compromising driving safety. I inspect them quarterly, using a thin wire to test for smooth flow or flushing the exit points with clean water. The locations are easy to identify—the key is to keep them clean to avoid damage.

[MargaretAnn]

Speaking of my BMW 320, the sunroof drain holes are located at the corners of the roof. Four points connect to tubes leading to exit ports in the wheel arches, where the small outlet holes are prone to clogging. Once, I had a water leakage issue and asked the mechanic at the shop about it. The location is found by tracing the tubes in the wheel arches, and after blowing them clear, the problem improved significantly. Regular cleaning can prevent interior damage. The location is easy to find, but don't take it lightly.