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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY - Complete BMW E9x 320 to 335 brakes



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      04-26-2019, 05:04 PM   #1
toby_2028
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DIY - Complete BMW E9x 320 to 335 brakes

Many people have done the front only, because it is plug and play, but not many have done the rear to.

The problem is that the rear rotors from the 335 is to big for 320 handbrake shoes. The 335 is 185mm and the 320 is only 165mm, so the handbrake will not work.
Here is what I did to make the rear brake shoes work.

I took the brake shoes from the 320 and removed the brake material. Then I took another brake shoe from the 335 and cut it to size, so that I could weld it together for one Frankenstein brake shoe.
I found that the perfect distance between the 320 and the 335 brake shoe was a 10mm nut. 😊
Se the pictures and you will get the bigger picture.

I have posted all the OEM parts that you need for this projekt. If you want to do this projekt the right way, you can go for "Option 1", but it will not be cheap.

Front:

Caliper left 34116773201
Caliper right 34116773202
2x Brake carrier 34116773203

2x Rotor 34116855000

Brake pads 34116794920

Protection plate left 34116780215 (Optional)
Protection plate right 34116780216 (Optional)

----------------------------------------------

Rear - option 1: (The right way)

Drive Shaft left 33217561783
Drive Shaft right 33217561784
2x Drive Shaft nut 33411133785

Wheel carrier left 33326783667
Wheel carrier right 33326783668
2x Bearing 33416775842
2x Drive flange hub 33416783671
2x ABS sensor 34526764610

Protection plate left 34216792247
Protection plate right 34216792248

2x Brake shoe back plate 34216771430

Brake Shoe 34416761292
Repair kit springs 34410410825
2x Shoe adjusting screw 34416851437

2x Rotor 34216855004

Caliper left 34216769101
Caliper right 34216769102
2x Brake carrier 34216769104

Brake pads 34216790762

Code $102 "REINFORCED BRAKES" to VO (I am not 100% sure of this, but think it is necessary because of the different type of ABS sensor)

----------------------------------------------

Rear - option 2: (My way)

Brake Shoe 34416761292

2x Rotor 34216855004

Caliper left 34216769101
Caliper right 34216769102
2x Brake carrier 34216769104

Brake pads 34216790762

Protection plate left 34216792247 (Optional)
Protection plate right 34216792248 (Optional)

NO CODING (If you want higher prepresure on the head cylinder, you can code in +SPBR "BMW PERFORMANCE BRAKES", but it is not necessary)
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Last edited by toby_2028; 04-26-2019 at 05:23 PM..
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Silnismo225.50
      04-26-2019, 07:19 PM   #2
6ixSpd
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Nice! Thank you for posting the info on the rear brake shoe modification. I had a hard time visualizing what needed to be cut and welded.
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      11-01-2020, 08:01 AM   #3
Tomo425
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Could you not have not just fitted 35 backing plates?

Quote:
Originally Posted by toby_2028 View Post
Many people have done the front only, because it is plug and play, but not many have done the rear to.

The problem is that the rear rotors from the 335 is to big for 320 handbrake shoes. The 335 is 185mm and the 320 is only 165mm, so the handbrake will not work.
Here is what I did to make the rear brake shoes work.

I took the brake shoes from the 320 and removed the brake material. Then I took another brake shoe from the 335 and cut it to size, so that I could weld it together for one Frankenstein brake shoe.
I found that the perfect distance between the 320 and the 335 brake shoe was a 10mm nut. 😊
Se the pictures and you will get the bigger picture.

I have posted all the OEM parts that you need for this projekt. If you want to do this projekt the right way, you can go for "Option 1", but it will not be cheap.

Front:

Caliper left 34116773201
Caliper right 34116773202
2x Brake carrier 34116773203

2x Rotor 34116855000

Brake pads 34116794920

Protection plate left 34116780215 (Optional)
Protection plate right 34116780216 (Optional)

----------------------------------------------

Rear - option 1: (The right way)

Drive Shaft left 33217561783
Drive Shaft right 33217561784
2x Drive Shaft nut 33411133785

Wheel carrier left 33326783667
Wheel carrier right 33326783668
2x Bearing 33416775842
2x Drive flange hub 33416783671
2x ABS sensor 34526764610

Protection plate left 34216792247
Protection plate right 34216792248

2x Brake shoe back plate 34216771430

Brake Shoe 34416761292
Repair kit springs 34410410825
2x Shoe adjusting screw 34416851437

2x Rotor 34216855004

Caliper left 34216769101
Caliper right 34216769102
2x Brake carrier 34216769104

Brake pads 34216790762

Code $102 "REINFORCED BRAKES" to VO (I am not 100% sure of this, but think it is necessary because of the different type of ABS sensor)

----------------------------------------------

Rear - option 2: (My way)

Brake Shoe 34416761292

2x Rotor 34216855004

Caliper left 34216769101
Caliper right 34216769102
2x Brake carrier 34216769104

Brake pads 34216790762

Protection plate left 34216792247 (Optional)
Protection plate right 34216792248 (Optional)

NO CODING (If you want higher prepresure on the head cylinder, you can code in +SPBR "BMW PERFORMANCE BRAKES", but it is not necessary)
35 backing plates and shoes?
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