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BMW E36 M3 Restoration Works

Julian
Thursday, 14 July 2022 / Published in BMW, Classic Cars, Restoration

BMW E36 M3 Restoration Works

Powered by a straight-six BMW S50 engine the E36 was the first M3 to sport such an engine and coupled with its sleek, modern design it’s no wonder the praise it recieved featuring a max output of 286-321 horse power. Originally the car was booked in for various mechanical upgrades, but it quickly became apparent there were a number of areas of corrosion that needed attention. Of course, when we start the works, it’s always worse than you first imagine…

E36 M3 Corrosion
M3 Corrosion behind wheel on the nearside
Corrosion on drivers side panel
M3 corrosion on drivers side panel – because someone had welded a plate over this previously, it caused it to then rot much more quickly from the inside out.
corrosion on passenger side wheel arch
M3 corrosion on passenger side wheel arch

Upon closer inspection we found extreme corrosion on the front wheelarches, previous poor repairs had caused corrosion under panels and especially the poor welding on the break line had caused severe corrosion

Drivers side replacement panel
Drivers side replacement panel
before and after panels
Before (right) after (left) passenger side panel replacement
passengers side panel replacment
passengers side panel replacment

We quickly got to work fabricating and welding on replacement panels for the horrifically corroded underside panels as seen in the previous pictures.

Passengers side corrosion above spring
Drivers side corrosion above spring
Drivers side after treatment
Passengers side after treatment

We also dealt with heavy corrosion above and around both springs which were replaced and painted over promptly as seen above.

Repair work almost complete on passenger side
Repair work almost complete on passenger side
Seam sealer is applied to ensure a long lasting repair

more updates to follow with the final finish being Gravitex paint…

BMW E36 RESTORATION WORKS – PART 2 – updated 18th August

Picking up when we left off in July work continued on the E36 M3 Saloon. We finished off the wheel well repair, and then used Gravitex to finally seal the work for a long life. Repair work this time was focused on the front Strut Towers. This was a particularly complicated piece of work as we will see from the pictures. The biggest challenge was trying to remove the fuse box to permit the welding work from below and in addition corrosion protection on top of the strut tower. Get ready for a lot of pictures..

E36 M3 RESTO -Corrosion along seams where 3 areas meet
Under the strut tower – corrosion along seams where 3 areas meet – this is going to be a tricky bit of work
   E36 M3 RESTO Repair work in progress under the strut tower
Repair work in progress under offside strut tower
Repair work in progress under the strut tower
Repair work in progress under the strut tower – note the use of Copper Weld through and lightly galvanised steel – for safety reasons, it’s important to remove the zinc coat where welding is taking place.
E36 front turret repair
Front turret repair on the passenger side
Front turret repair - cutting away rusty metal
Front turret repair – cutting away rusty metal
quite a lot to do now...
quite a lot to do now…you can see the fuse box above – moving this out the way was challenging to say the least
Repairing the front turret
Repairing the front turret
turret repair progressing...
turret repair progressing…
repair completed, now all that is left is to Gravitex both sides
repair completed, now all that is left is to Gravitex both sides
Passenger side after painting with Gravitex
Passenger side after painting with Gravitex
Driver's side after painting with Gravitex
Driver’s side after painting with Gravitex
Driver's side with new suspension
Driver’s side with new B12 suspension courtesy of Balance Motor Sport
Passenger side with new suspension
Passenger side with new suspension

We've also replaced the front lower arm and track rod ends
We’ve also replaced the front lower arm and track rod ends

The M3 is on the road and attended Radwood, We had some very kind words from the customer about the way the car drives, with the new B12 suspension fitted. Another blog post will detail the rear end work which will commence in 2023.

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5 Comments to “ BMW E36 M3 Restoration Works”

  1. Shirish Patel says :Reply
    December 9, 2022 at 9:44 am

    Really happy to have had Balance Motor Works sort out my e36 M3.

    The photos show just how bad it was, none of which was flagged in any of the previous MOTs.

    Craig has done a fantastic job with very some intricate work needed in places.

    Julian also convinced me to stick with a new Bilstein B12 suspension kit instead of going with Sachs – so glad I took his advice as it’s perfect for my road use.

    High standards of prep and finish applied, together with fair pricing; just as importantly, they are a pair of decent chaps who are passionate about what they do.

    Will be back next year to get the rear end done, which is the best endorsement of any business – parts collection has begun in anticipation!

  2. Julian says :Reply
    January 4, 2023 at 7:10 pm

    Thanks Shirish – Happy New Year ! I thought we had acknowledged this post. You’ve been a pleasure to do business with and we look forward to helping you do the rest of the bits to the M3. Can I also suggest we remove the viscous fan and replace with electric? It really doesn’t help the noise of the engine.

    1. Shirish Patel says :Reply
      January 16, 2023 at 6:43 pm

      Hello Julian and Happy New Year too.

      Happy to go with electric if it helps, I hadn’t thought of that. The noisy Vanos seems to drown everything out

      Will hopefully have the Karbonius fitted next time I see you, look forward to your feedback!

  3. David Woodwards says :Reply
    June 29, 2024 at 1:00 pm

    Hello I have a bmw e 36 m3 evo which has body damage. Can I send some pictures so you can give an estimate a time scale and price to repair. Thank you . Regards. David .

    1. Julian says :Reply
      June 29, 2024 at 1:12 pm

      HI David – sure please send us an email https://balancemotorworks.co.uk/contact-us/, unfortunately with any work like this until you start you don’t know what kind of work awaits. So any quote would be very much an estimate, however we can work in stages and work to your budget. Look forward to seeing your email come through.

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