BMW Windshield Moulding Replacement – All Models

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bmw windshield moulding
A dry rotted windshield moulding on a 2005 645ci.

BMW Windshield Moulding Replacement – 30 Minutes

BMW Models Difficulty Rating

The BMW Repair Guide used this 2005 645ci for the following article. To see other repairs on our site using this actual car, please click on the image below!

The BMW windshield moulding is a very easily replaced part that will return your vehicle to looking factory fresh again.

A rotting BMW windshield moulding sticks out like a sore thumb on our bimmers. For some strange reason, our eyes are drawn to a rotten windshield moulding like a fly to a rib roast. Forget about the dings and scratches all over our cars…the deteriorated windshield moulding causes us more gastric reflux than all of them put together.

bmw windshield moulding
A dry rotted windshield moulding on a 2005 645ci.

Why? I’m not sure we know the answer to that. Perhaps because it is more directly in our line of sight than other repairs. The good news is a BMW windshield moulding replacement is extremely easy to do and will save you money by avoiding the dealership or repair shop.

If your windshield moulding is starting to deteriorate, you should replace right away to avoid more costly repairs down the line.

A BMW windshield moulding helps keep water and debris from getting caught between your windshield and the body of your vehicle. If not replaced you could end up with a windshield leak which is a costly repair to a BMW. It also keeps air from penetrating the seal around your windshield which can also cause leaking and irritating “whistling” sounds. If your BMW windshield moulding is starting to deteriorate, you should replace right away to avoid more costly repairs down the line.

Parts, Tools and Supplies

Parts
Rubber windshield moulding (varies by model vehicle)

Tools and Supplies
Trim removal tool kit – plastic
Shop vacuum – wet/dry

Procedure
  1. Use a plastic trim removal tool to extract the dry rotted windshield moulding. Use your fingers as much as possible to try and get it out in large pieces.bmw windshield mouldingbmw windshield moulding
  2. Use a Wet-Vac or portable vacuum cleaner and thoroughly clean up any small pieces of dry rotted moulding that remain. You must remove all of the old moulding so new moulding seals correctly.
  3. ***DO NOT use any type of glue or adhesive when installing your new BMW windshield moulding. It will only cause a mess and is not needed.
  4. Install the new moulding starting at one of the corners of the windshield. Move slowly as you press the rubber moulding into the channel.bmw windshield mouldingbmw windshield moulding
  5. Gently pounding the moulding with a closed fist helps set the moulding into the channel.bmw windshield moulding
  6. Using a plastic trim tool like shown below will also help set the BMW windshield moulding into the channel.bmw windshield moulding

 

Final notes
The trick behind getting the moulding into the channel properly is patience. Try different techniques, whether light fist pounding or using a plastic trim tool, to get the moulding to seat against the windshield and create a nice air/water tight seal. DO NOT use any type of adhesives or glues…they are not necessary and will only create a mess. If you have any issues or just need a word of inspiration, please don’t hesitate to contact us at customersupport@bmwrepairguide.com. We will get back with you right away.

 

Repair finished
If you have any questions or comments, please feel free to contact us. And congratulations for Doing It Yourself!

The Repair Difficulty Level displays graphically how challenging the repair is, from easy to advanced. Easy repairs usually require very few tools, have short repair times and do not require jacking and supporting the vehicle. As the difficulty level rises, expect the repair to demand more time, specialized tools, and better understanding of mechanics to complete the job.

This article applies to all applicable BMW models.