BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > Brake disc types
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      10-17-2013, 02:17 PM   #1
ovekvam
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Brake disc types

I used to think there were only two types of front brake discs for the F20, but when I looked into it, I found no less than five types. Here they are, sorted by weight:

1) Part number 34116792215. Weight 6.35 kg. Size 284x22 mm.
Used in:
F20 114d 5 doors, N47N, Europe (1T91) : Front brake-brake disc
F20 114d 5 doors, N47N, Europe, RHD (1T92) : Front brake-brake disc
F20 114i 5 doors, N13, Europe (1R11) : Front brake-brake disc
F20 114i 5 doors, N13, Europe, RHD (1R12) : Front brake-brake disc
F20 116d 5 doors, N47N, Europe (1C71) : Front brake-brake disc
F20 116d 5 doors, N47N, Europe, RHD (1C72) : Front brake-brake disc
F20 116d ed 5 doors, N47N, Europe (1C91) : Front brake-brake disc
F20 116d ed 5 doors, N47N, Europe, RHD (1C92) : Front brake-brake disc
F20 116i 5 doors, N13, Europe (1A11) : Front brake-brake disc
F20 116i 5 doors, N13, Europe (1A11) : Front brake-brake disc
F20 116i 5 doors, N13, Europe, RHD (1A12) : Front brake-brake disc
F20 116i 5 doors, N13, Europe, RHD (1A12) : Front brake-brake disc
F20 118d 5 doors, N47N, Europe (1C11) : Front brake-brake disc
F20 118d 5 doors, N47N, Europe, RHD (1C12) : Front brake-brake disc

2) Part number 34116792217. Weight 7.43 kg. Size 300x22 mm.
Used in:
F20 118dX 5 doors, N47N, Europe (1T51) : Front brake-brake disc
F20 118i 5 doors, N13, Europe (1A31) : Front brake-brake disc
F20 118i 5 doors, N13, Europe (1A31) : Front brake-brake disc
F20 118i 5 doors, N13, Europe, RHD (1A32) : Front brake-brake disc
F20 118i 5 doors, N13, Europe, RHD (1A32) : Front brake-brake disc
F20 120d 5 doors, N47N, Europe (1C31) : Front brake-brake disc
F20 120d 5 doors, N47N, Europe, RHD (1C32) : Front brake-brake disc
F20 120dX 5 doors, N47N, Europe (1B51) : Front brake-brake disc
F20 120dX 5 doors, N47N, Europe, RHD (1T72) : Front brake-brake disc

3) Part number 34116792219. Weight 9.09 kg. Size 312x24 mm.
Used in:
F20 116i 5 doors, N13, Europe (1A11) : Front brake-brake disc
F20 116i 5 doors, N13, Europe, RHD (1A12) : Front brake-brake disc
F20 118i 5 doors, N13, Europe (1A31) : Front brake-brake disc
F20 118i 5 doors, N13, Europe, RHD (1A32) : Front brake-brake disc
F20 125d 5 doors, N47S1, Europe (1C51) : Front brake-brake disc
F20 125d 5 doors, N47S1, Europe, RHD (1C52) : Front brake-brake disc
F20 125i 5 doors, N20, Europe (1A51) : Front brake-brake disc
F20 125i 5 doors, N20, Europe, RHD (1A52) : Front brake-brake disc

4) Part number 34106797602. Weight 10.03 kg. Size 340x30 mm.
Used in:
F20 114d 5 doors, N47N, Europe (1T91) : Front brake-brake disc
F20 114d 5 doors, N47N, Europe, RHD (1T92) : Front brake-brake disc
F20 114i 5 doors, N13, Europe (1R11) : Front brake-brake disc
F20 114i 5 doors, N13, Europe, RHD (1R12) : Front brake-brake disc
F20 116d 5 doors, N47N, Europe (1C71) : Front brake-brake disc
F20 116d 5 doors, N47N, Europe, RHD (1C72) : Front brake-brake disc
F20 116i 5 doors, N13, Europe (1A11) : Front brake-brake disc
F20 116i 5 doors, N13, Europe, RHD (1A12) : Front brake-brake disc
F20 118d 5 doors, N47N, Europe (1C11) : Front brake-brake disc
F20 118d 5 doors, N47N, Europe, RHD (1C12) : Front brake-brake disc
F20 118dX 5 doors, N47N, Europe (1T51) : Front brake-brake disc
F20 118i 5 doors, N13, Europe (1A31) : Front brake-brake disc
F20 118i 5 doors, N13, Europe, RHD (1A32) : Front brake-brake disc
F20 120d 5 doors, N47N, Europe (1C31) : Front brake-brake disc
F20 120d 5 doors, N47N, Europe, RHD (1C32) : Front brake-brake disc
F20 120dX 5 doors, N47N, Europe (1B51) : Front brake-brake disc
F20 120dX 5 doors, N47N, Europe, RHD (1T72) : Front brake-brake disc
F20 125d 5 doors, N47S1, Europe (1C51) : Front brake-brake disc
F20 125d 5 doors, N47S1, Europe, RHD (1C52) : Front brake-brake disc
F20 125i 5 doors, N20, Europe (1A51) : Front brake-brake disc
F20 125i 5 doors, N20, Europe, RHD (1A52) : Front brake-brake disc
F20 M135i 5 doors, N55, Europe (1B71) : Front brake-brake disc
F20 M135i 5 doors, N55, Europe, RHD (1B72) : Front brake-brake disc
F20 M135iX 5 doors, N55, Europe (1B91) : Front brake-brake disc

5) Part number 34116792223. Weight 10.07 kg. Size 340x30 mm.
Used in:
F20 114d 5 doors, N47N, Europe (1T91) : Front brake-brake disc
F20 114d 5 doors, N47N, Europe, RHD (1T92) : Front brake-brake disc
F20 114i 5 doors, N13, Europe (1R11) : Front brake-brake disc
F20 114i 5 doors, N13, Europe, RHD (1R12) : Front brake-brake disc
F20 116d 5 doors, N47N, Europe (1C71) : Front brake-brake disc
F20 116d 5 doors, N47N, Europe, RHD (1C72) : Front brake-brake disc
F20 116i 5 doors, N13, Europe (1A11) : Front brake-brake disc
F20 116i 5 doors, N13, Europe, RHD (1A12) : Front brake-brake disc
F20 118d 5 doors, N47N, Europe (1C11) : Front brake-brake disc
F20 118d 5 doors, N47N, Europe, RHD (1C12) : Front brake-brake disc
F20 118dX 5 doors, N47N, Europe (1T51) : Front brake-brake disc
F20 118i 5 doors, N13, Europe (1A31) : Front brake-brake disc
F20 118i 5 doors, N13, Europe, RHD (1A32) : Front brake-brake disc
F20 120d 5 doors, N47N, Europe (1C31) : Front brake-brake disc
F20 120d 5 doors, N47N, Europe, RHD (1C32) : Front brake-brake disc
F20 120dX 5 doors, N47N, Europe (1B51) : Front brake-brake disc
F20 120dX 5 doors, N47N, Europe, RHD (1T72) : Front brake-brake disc
F20 125d 5 doors, N47S1, Europe (1C51) : Front brake-brake disc
F20 125d 5 doors, N47S1, Europe, RHD (1C52) : Front brake-brake disc
F20 125i 5 doors, N20, Europe (1A51) : Front brake-brake disc
F20 125i 5 doors, N20, Europe, RHD (1A52) : Front brake-brake disc
F20 M135i 5 doors, N55, Europe (1B71) : Front brake-brake disc
F20 M135i 5 doors, N55, Europe, RHD (1B72) : Front brake-brake disc
F20 M135iX 5 doors, N55, Europe (1B91) : Front brake-brake disc

So my question is: What is the difference between number 4 and 5, and what decides if a 116i gets number 1 or number 3?

Edit: Found that 116i for the Japanese market has bigger front brakes and ventilated rears.

Last edited by ovekvam; 10-17-2013 at 04:47 PM..
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      10-17-2013, 04:03 PM   #2
ovekvam
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Actually there is a sixth option as well. The performance brake kit has a 370 mm front disc that I have no data about. Not even the part number.

Edit: I found it.

6) Part number 34106797603. Weight 11.88 kg. Size 370x30 mm.
Used in:
F20 114d 5 doors, N47N, Europe (1T91) : M Performance front brake - replacement
F20 114d 5 doors, N47N, Europe, RHD (1T92) : M Performance front brake - replacement
F20 114i 5 doors, N13, Europe (1R11) : M Performance front brake - replacement
F20 114i 5 doors, N13, Europe, RHD (1R12) : M Performance front brake - replacement
F20 116d 5 doors, N47N, Europe (1C71) : M Performance front brake - replacement
F20 116d 5 doors, N47N, Europe, RHD (1C72) : M Performance front brake - replacement
F20 116i 5 doors, N13, Europe (1A11) : M Performance front brake - replacement
F20 116i 5 doors, N13, Europe, RHD (1A12) : M Performance front brake - replacement
F20 118d 5 doors, N47N, Europe (1C11) : M Performance front brake - replacement
F20 118d 5 doors, N47N, Europe, RHD (1C12) : M Performance front brake - replacement
F20 118dX 5 doors, N47N, Europe (1T51) : M Performance front brake - replacement
F20 118i 5 doors, N13, Europe (1A31) : M Performance front brake - replacement
F20 118i 5 doors, N13, Europe, RHD (1A32) : M Performance front brake - replacement
F20 120d 5 doors, N47N, Europe (1C31) : M Performance front brake - replacement
F20 120d 5 doors, N47N, Europe, RHD (1C32) : M Performance front brake - replacement
F20 120dX 5 doors, N47N, Europe (1B51) : M Performance front brake - replacement
F20 120dX 5 doors, N47N, Europe, RHD (1T72) : M Performance front brake - replacement
F20 125d 5 doors, N47S1, Europe (1C51) : M Performance front brake - replacement
F20 125d 5 doors, N47S1, Europe, RHD (1C52) : M Performance front brake - replacement
F20 125i 5 doors, N20, Europe (1A51) : M Performance front brake - replacement
F20 125i 5 doors, N20, Europe, RHD (1A52) : M Performance front brake - replacement
F20 M135i 5 doors, N55, Europe (1B71) : M Performance front brake - replacement
F20 M135i 5 doors, N55, Europe, RHD (1B72) : M Performance front brake - replacement
F20 M135iX 5 doors, N55, Europe (1B91) : M Performance front brake - replacement

Last edited by ovekvam; 10-17-2013 at 04:41 PM..
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