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E28 dashboard cracks repair

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9 replies to this topic

#1 vanhool

  • Locationlancs
  • Current Car:e28,528i, e39,528i

Posted 22 February 2012 - 11:11 am

Hi Friends, As per the title really, has anyone on here successfully repaired the cracks in their e28 dashboards insitu, and if so would like to share the method with me I'am thinking along the lines of black silicone sealant its how would I remove the excess from around the area of the cracks without ruining the appearance of the dash. TIA Steve

#2 E28_555

  • LocationWest Yorkshire
  • Current Car:No BMW at the moment :o(

Posted 22 February 2012 - 01:30 pm

Not sure about using sealant - is there access for you to get a sealant gun in to where the cracks in your dash are? I've found with that kind of sealant in the past a wet finger is usually the 'tool' for smoothing it. It usually wipes off fairly easily while its still wet too - so I guess if you messed it up a wet cloth would get rid and you could start again?

Luckily my dash top is ok - maybe others have already done this.

#3 andyb

  • LocationIlford, Essex

Posted 22 February 2012 - 08:22 pm

Mine has started in a number of places. I have superglued one (a few thin coats into the crack) and it seems to have stopped it getting any bigger, but some are now 1-2mm and too wide.

Roll on the Honda Civic :(
1986 Lachs silver E28 535iSE on 70k and now GONE Posted Image
Fitted 740 front and 540 rear calipers, disks, braided hoses and yellowstuff pads
Sitting on H&R and Spax lowering springs and 17" Alpinas

Posted Image

#4 C_Meyers

  • LocationMelbourne Dooown Under
  • Occupation:Assembly Technician
  • Current Car:e28 Hartge project

Posted 23 February 2012 - 01:36 pm

Would be less of an effort to just source/replace the current dash with a crackfree one. Once they start to go, they're gone. Either that, or buy a dashmat and forget about it!

Christian 'Bob' Meyers



'86 Hartge project

'89 535iS

#5 tusker


Posted 23 February 2012 - 02:05 pm

I've heard that drilling a small hole at the ends of the crack stops it getting bigger.

#6 baveria30si


Posted 23 February 2012 - 07:32 pm

A product i have suggested before in answer to this question, but not personally used, is laminate filler, this is a product used by kitchen fitters to fill any (badly cut joints) imperfections or chips in a laminate worktop. It is available in a variety of colours including black, and usually comes in small applicaters with tiny nozzels, controllable and much more condusive to access in an e28 dash repair situation, than a big tube and mastic gun.

#7 billyfrost

  • Current Car:BMW 525iX E34

Posted 24 February 2012 - 09:32 am

Concur with Baveria's comments, I fixed a dash exactly like this about 5 years ago now, using black silicon. Less is more though!

#8 bm0p700f

  • LocationSuffolk
  • Occupation:Bike Mechanic/teacher
  • Current Car:BMW E34 530i (1988)

Posted 24 February 2012 - 07:56 pm

I have a mint black E28 dash in the spare room that needs to go. Fancy it.
The Cycle Clinic

Gone and not forgotten BMW E28 528i (died in Italy), BMW E28 527i manual (Cat B write off), BMW E28 520i manual sold, BMW E39 528i -trouble in sheep's clothing.

#9 hippie dave

hippie dave
  • LocationSouth Oxfordshire
  • Occupation:Welder/Fabricator/Machinist
  • Current Car:mk.3 Vw Polo (isn't even mine)

Posted 24 February 2012 - 11:36 pm

or buy a dashmat and forget about it!

Just keeping the thing polished isn't a bad shout


1986 E28 520i lux / manual / cirrus blau - Click for Project thread                                                

Previous convictions: 1986 BMW 528iSE :: 1991 Peugeot 205 :: 1991 Mercedes 190e :: 1992 Rover 416Si :: 1998 Skoda Felicia :: 2000 Alfa 156 sportwagon_

#10 judojody

  • LocationSomerset
  • Current Car:E61 LCI 535d and 1986 E28 M535i

Posted 25 February 2012 - 06:13 pm

I have a mint black E28 dash in the spare room that needs to go. Fancy it.

Sorry to hijack, but I might be interested in the dash. Please PM me if you fancy selling it to me.



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