I have replaced the front oem windshield in the local authorized BMW dealer they have replaced the following parts:
1- 51317203857 Windshield for vehicles with climate comfort windscreen and rain & light sensor.
2- 51317061967 Windshield Moulding – Upper.
3- 51137133292 Windshield Moulding – Lower.
4- 51717180743 Rain Tray / Water Deflector.
5- 64116928326 Condensation Sensor ( it is behined the rear view mirror cover you cant use the old one, it will break if you take it out)
64116928326 Set, condensation sensors, bonded.
and they used OEM polyurethane BMW / MINI adhesive:
83190444144
83190444144 WINDOW ADHESIVE, COLD, 1 HR.
The “V” bead (triangle shape) is almost a fail-safe way of applying adhesive.
I’m not sure if they used the triangl shape method to apply the adhesive but it seems a fail-safe way to prevent leaks.
2- 51317061967 Windshield Moulding – Upper.
3- 51137133292 Windshield Moulding – Lower.
4- 51717180743 Rain Tray / Water Deflector.
water leak passenger side
The fix !:
it appears that leak is not from the windshield it is from the seal of the door vapor barrier AKA Sound Insulating foam.
door vapor barrier AKA Sound Insulating
this barrier is sticked to the door using Butylband tape (Butylene tape) from BMW:
Part Number 83190153321
found here:
Link
All BMW workshop accessories are here:
bmwfans.info
BMW Butylband tape 83190153321 Terostat 81
BMW Butylband tape 83190153321 15 X 1.5mm X 10 M
I went to one of BMW garages to do the job, they removed the door panel and removed the old seal.
Removing the old seal (Driver Side)
Removing the old seal (Passenger Side)
Then they applied the new seal.
Applying the Butylband tape on the door
And using Seam Roller tool to seal the edges.
Seam Roller tool
Seam Roller tool used on the vapor barrier to stick it to the Butylband tape
No more water leaks during rain of car wash and nothing was wrong in the sealing of the windshield.
Sayyarti 