# Water Leak **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** bmw, leaks, 530\ **Created:** [July 24, 2009, 2:01am UTC](https://community.cartalk.com/t/water-leak/33907 "2009-07-24T02:01:34Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![rdf4524amf](https://avatars.discourse-cdn.com/v4/letter/r/51bf81/32.png) [@rdf4524amf](https://community.cartalk.com/u/rdf4524amf)\ **Post date:** [July 24, 2009, 2:01am UTC](https://community.cartalk.com/t/water-leak/33907/1 "2009-07-24T02:01:34Z")
When it rains, the rear floor mats get soaked. The front and the truck remain dry. Where should I take the car to have it diagnosed and or repaired? In checking the interior, there are no obvious signs of a leak, yet the rear mats get wet whether the car is being driven in the rain or sitting still. The car has a sun roof. ---
**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\ **Post date:** [July 24, 2009, 2:13am UTC](https://community.cartalk.com/t/water-leak/33907/2 "2009-07-24T02:13:20Z")
What year 530i? You do say “the front and the truck” I really don’t know what that means. ---
**Author:** ![rdf4524amf](https://avatars.discourse-cdn.com/v4/letter/r/51bf81/32.png) [@rdf4524amf](https://community.cartalk.com/u/rdf4524amf)\ **Post date:** [July 24, 2009, 3:55am UTC](https://community.cartalk.com/t/water-leak/33907/3 "2009-07-24T03:55:25Z")
The car is a 2003. The front floor mats and the truck mats to not become soaked. It is only the rear seat floor mats that get soaked. ---
**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\ **Post date:** [July 24, 2009, 4:22am UTC](https://community.cartalk.com/t/water-leak/33907/4 "2009-07-24T04:22:26Z")
I say the Dealer, second choice is a dedicated BMW Independant,last is someone totally inexperienced on this car. You need experience here. Sunroof drains or door seals are a possibility. No technical service bulletins about any water leaks (I looked). ---
**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\ **Post date:** [July 24, 2009, 3:52pm UTC](https://community.cartalk.com/t/water-leak/33907/5 "2009-07-24T15:52:24Z")
You were doing go to mention the sunroof. They have four drains and they often clog and when they clog they leak. My guess is it is a blocked sun roof drain. They can usually be cleared by using compressed air or string trimmer line. I generally recommend letting a professional do it. The idea is really simple and you likely do it, but if you put in a little too much enthusiasm, you could damage a drain or blow a connection apart making for a much more involved repair. ---
**Author:** ![edb1961](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/edb1961/32/122_2.png) [@edb1961](https://community.cartalk.com/u/edb1961)\ **Post date:** [July 24, 2009, 4:00pm UTC](https://community.cartalk.com/t/water-leak/33907/6 "2009-07-24T16:00:05Z")
I had the same problem on a 2000 Blazer, front dry, back wet on the driver’s side only. There was a crack in the seam between the inner fender and the firewall. I found the leak by running water into the windshield cowling and shining a flashlight under the dash. The water reflects the light. There was a stream of water running down the seam under the carpet and padding and then pooling in the rear seat area.