These days, especially here in Texas, air conditioning system in our car is not a luxury – it’s a necessity. Regarding the smell, I don't think I've ever experienced such a strong mildew-like smell coming from an auto a/c system before. Needless to say, I am calling customer service. If you google on e90 and ac smell, you'll find a bunch of topics which eventually suggest one of the following: 1) Pay dealer to do AC system cleaning 2) Pay indy shop to do the same 3) Check drain hose for clogging 4) Replace cabin filter 5) Use spray to spray in the vent system intake (under the hood, after cabin filter removal) I have also heard that a mixture of water and hydrogen peroxide applied using the sprayer method above will kill the mold / bacteria and doesn't leave any residual chemical smell in the cabin. 5. Compliments of Tyrone, AK, DanT, Mug, EricS, Mola and TomM. I had no issues since Fall 2008 and then suddenly the air from the vents started smelling bad during the Fall of 2014, for no apparent reason. Maybe not an ac question specifically but heres the deal. Cold starts, long drives, it always produces this odor. air conditioning won’t turn off. General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio, http://www.pelicanparts.com/BMW/tech..._Replacing.htm, Recommend this as a feature on the BimmerPost Homepage. Discussion Starter • #1 • May 31, 2005. When I turn on the air conditioning, there is a smell from the vents. Some cleaning chemicals including some versions of pine sol say not to use them on metals like aluminum because they can be corrosive to the metal. How do I get this cleaner smell out of it? But since I never had this issue before with either of my previous cars, it got (much) worse before I decided to do anything. You don't need to disassemble everything. '08 328i | TiAg | 6MT | CDV Mod | RevMotoring Silicon Intake Tube | AG M310 | Cold | Premium | HiFi | V1 Hardwire | AirPlay - FiiO DAC. This smell has been described in many ways – musty, rotten eggs, dirty socks, fishy, burnt plastic, gas, to list a few – and can even be accompanied by the feeling of being short of breath, dizziness, or headaches. Mildew in Air Ducts & Vents. Reply. I recommend running the AC full with windows open at least 15 minutes so condensation will wash out any remainder of loosened spray and dirt. Get Rid of Musty Air Conditioner Smell (easily) - 05-16-2013, 11:57 PM UPDATE: 06-21-2013 : Smell is back, just not as bad and goes away after 30 seconds or so of climate control use. Or, there’s a gas smell coming from the air conditioner. This is super useful. OMG!! Symptoms typically include 1) leaking oil on the side of the head, 2) potentially a burning oil smell, and 3) in worst-case scenarios you may have smoke coming from the engine bay. OP, I am curious to hear if your 'foaming spray' efforts included the use of 1Z Einszett Klima-Cleaner, as I have read some positive results posted by a number of users. What should you do when your car smells like antifreeze but not overheating? We’ve also had calls where people say they smell a skunk when they turn on the AC. The cause is that the evaporator gets damp after using the AC in high humidity areas. So some time ago I noticed some pretty bad smell coming out of vents which later on proved to be evaporator bacteria\mold buildup. It's much worse if you use it in recirculate mode. You get into a hot car and instantly reach to turn up the AC, only to be hit in the face with an unpleasant (and unwanted) smell. I let it stay and soak for 5-10 minutes between spraying to let cleaners work on bacteria. Usually, a gas leak is to blame rather than a white-striped critter. In order to remedy the issue, dealers will inspect the wiring harness and replace any components that … It's bad enough that I don't want to run the A.C. Foul/Musty Smell coming from the AC Vents? It has new instructions on it that says to use the blower motor duct as this DIY explains to spray it. Really hard to find A/C leak on 2007 Mustang. Bleach may kill the bacteria better...if you can deal with the smell and keep it off your carpet. Occupants might also smell a burning plastic odor. No air comes out ... BMW 325i: air conditioning..a smell from the vents..air intake. AC compressor not staying engaged. In this video I show you how to replace your AC compressor on your N54 power BMW. BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > air conditioner smells awful Page 1 of 2 1 It smells like the musty stench of a beat-up old a/c unit you'd find in a cheap, sleezy, ghetto-ass motel in a seedy part of town. It's nasty. When the engine does not overheat despite you detect a sweet smell inside the car, it means that you still have a chance to fix the problem without spending much. :-). So the evaporator must be the root cause of the problem. E90 328i 2007. AC Recharge Failed / Broke Compressor? It's been two weeks. It only masks the odor and it still didn't smell good, not to mention the odor came back after several weeks. But now my car smells very strongly pine-sol chemical. 115 Posts . Reply. First step, follow the "BMW Blower Motor Final Stage Replacement" guide from Pelican Parts to remove the blower motor (Very easy, ~ 10 minutes of work): Attached it the view at the ac \ vent system of e90 from the TOP. If it works, white vinegar may not leave as strong of a smell behind. This is most common in older cars and those who use the A/C infrequently. :-(, 535i MIssion Performance, PS2, Helix HPFP Kit, Wagner FMIC, Spec 3 clutch, Steel SMF, Wolf Racing CP, UUC SSK, GFB dv, SprintBooster, Custom Dynomax Exhaust, M5 Sways, Eibach OE Springs, Koni Sports Adjustable, Custom Short Ram CAI. Tried to clean the engine bay and replace the cabin filter which did nothing to the problem. Hi All, Everytime I turn off my A/C some really bad smell comes out of the vents for a while. If the burning odor persists, evacuate the home and contact the fire department. tip for keeping the smell away now that you've finally gotten rid of it: Is there a way to disassemble it more to get a better view of the whole evaporator? Read at your own risk. Tcart car accessories for BMW e46 e90 e60 f30 e39 f10 e36 f20 e92 x5 e70 Perfume bottle air conditioner outlet Smell remover US 0.01 Fluorescent Car Reflective Strips Warning Stickers For BMW E34 F10 F20 E92 E38 E91 E53 E70 X5 M M3 E46 E39 E38 E90 Information provided is without warranty and as is, it provides tips on what we've done as reference. Stephen says. I've checked the common places like the VCG dripping on the exhaust, but don't see anything. Even when its in the 50s or 60s I cant seem to get the cold outside air into the car. Written by Tom McCandless CCA# 288126 You need to find out the source of the smell could be from the microfilmer needing to be changed to a partially clogged evaporator drain. If there is smoke, it is caused by oil dripping onto the exhaust manifold and then burning off. Now does your car smell like pine-sol all the time? In areas with high humidity, it’s not uncommon for moisture levels in … I'm … Great DIY, and I'm sure a lot of people will find this very helpful. Sometimes the smell may be more similar to gun powder, which can indicate a short from the AC’s circuit board or fan motor. Used all kinds of vent perfume but of course the smell was still there. :-(, OK so it worked. Btw did the smell ever come back? … 2. I recently bought 1Z einszett spray. Why not try to clean the evaporator from front vents holes, seems the best way in and doesnt involve much disassembling (trim and vents only), General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio, https://www.amazon.com/gp/aw/d/B0749...op_mb_pd_title, https://www.amazon.com/gp/aw/d/B075M...op_mb_pd_title, Recommend this as a feature on the BimmerPost Homepage. So if you smell something akin to nail polish remover in your home, a refrigerant leak is the most likely culprit. I taped a hose to a hanger and bent it in the general shape to get into the evap chamber, I then shot the whole can in there - so far so good, mold smell is gone. Moisture in Your Air Conditioning System. Great DIY to show how to get access to the evaporator where all the bacteria / mold is growing. September 25, 2017 at 9:12 am. And, it can be dangerous. 3. The hose that goes to the evaporator is behind the glove box, closer to the console, precisely where the blower motor used to be. Has anyone else used this process successfully? I could even touch it with my fingers, and my fingertips' smell left no doubt as to what's causing the smell. Smells very strongly pine-sol chemical can use a A/C treatment to kill the smelly off! Tyrone, AK, DanT, Mug, EricS, Mola and TomM some time ago I some. 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