40 Years of Siebenrock – A Heartfelt Thank You!

 

Since 1985, the name Siebenrock has stood for quality, technical expertise, and genuine passion for classic BMW motorcycles.
Our success is built on continuous development, solid engineering knowledge,

and the ambition to create products that impress with functionality and durability.

  

A major milestone – and one we’d love to celebrate with you!

 

From July 4 to 16, 2025, enjoy a special anniversary discount on selected Siebenrock items in our online shop – it’s worth a look!

 

Or come see us in person at the BMW Motorrad Days in Garmisch-Partenkirchen, July 4–6, 2025.

Visit our stand and receive an exclusive anniversary gift – a little surprise from us to you!

 

 Your Siebenrock Team

 

While supplies last.

 

Jump to main content
Categories

Repair kit brake master cylinder 15mm

BMW 2-valve Boxer models

Preview: Artikelbild Preview: 3272370R_2
Artikelbild
3272370R_2
   
€63.90

Prices incl. VAT, plus shipping costs

Ready to ship today, Delivery time appr. 2-4 workdays within Germany

  • part no.: 3272370R
Description Evaluations 0
Description
Repair beats replacement is the motto of the clever repair solution for the Magura brake master... more
Close menu
Repair kit brake master cylinder 15mm
Repair beats replacement is the motto of the clever repair solution for the Magura brake master cylinder for the twovalve Boxer: The complete "inner parts" can be replaced in a single operation and the brake is leak-proof again and works smoothly and safety.
Price per piece.

This 15 mm master cylinder repair kit is also compatible with master cylinder part no. 3272022.

TIP
You can find the specifications for your piston diameter on the underside of the master brake cylinder.

For the classic BMW Boxer 2-valve models
R 80/7, R 80RT, R 100/7, R 100RS, R 100 RT, R 100CS
R 45, R 65 from 9/1981 on, R 65LS.
Paralever models R 80R, R 80R Mytic, R 100R, R 100R Mystic.

ATTENTION:
Only for repair in a specialist workshop!

Compare 32722302372

Information on product safety
Fits for BMW R2V: R 80 up to 84, R 100 up to 84, R 45 up to 84, R 65 up to 84
Evaluations 0
Read, write and discuss reviews... more
Close menu
Customer evaluation for "Repair kit brake master cylinder 15mm"
Write an evaluation
Evaluations will be activated after verification.

The fields marked with * are required.

Accessories 1 Customers also bought Customers also viewed
Accessories 1
Artikelbild Brake master cylinder 15mm
BMWR 80R, R 80R Mystic, R 100R, R 100R Mystic
€249.50
Prices incl. VAT, plus shipping costs
Part no. 3272022
Customers also bought
Artikelbild Valve cover gasket
BMW 2-valve Boxer models
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1112426
Artikelbild Repair kit brake master cylinder 13mm
BMW 2-valve Boxer models
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272784R
Artikelbild Float
BING carburator 64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
€21.15
Prices incl. VAT, plus shipping costs
Part no. 1311766
Artikelbild Strainer Fuel tap
Karcoma
BMW 2-valve Boxer models
€9.50
Prices incl. VAT, plus shipping costs
Part no. 1612112
Artikelbild Oilfilter Set
Mahle
BMW 2v Boxer models without oilcooler
OX37D two-piece
€14.25
Prices incl. VAT, plus shipping costs
Part no. 1142145
Artikelbild Airfilter
Mahle
BMW 2-valve Boxer models from 9/80 on
LX56
€25.25
Prices incl. VAT, plus shipping costs
Part no. 1372080
Artikelbild Oilfilter Set
Mahle
BMW 2v Boxer models with oilcooler
OX36D two-piece
€14.90
Prices incl. VAT, plus shipping costs
Part no. 1142146
Artikelbild Idle switch
For 5-speed gearbox
BMW 2v Boxer models from 9/75 on

€19.95
Prices incl. VAT, plus shipping costs
Part no. 6131097
Artikelbild Fuel tap
Left side
BMW 2-valve Boxer models

€49.50
Prices incl. VAT, plus shipping costs
Part no. 1612113
Artikelbild Brembo brake caliper
Repair kit
BMW 2-valve Boxer models
38mm
€69.90
Prices incl. VAT, plus shipping costs
Part no. 3411188
Artikelbild Repair kit brake master cylinder 12mm Front
BMW R 65GS, R 80G/S, R 80ST, R 45, R 65
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272369R
Artikelbild Float chamber gasket
BING carburator
64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
€6.50
Prices incl. VAT, plus shipping costs
Part no. 1311764
Artikelbild Fuel hose braided
6mm, fabric-covered
BMW 2-valve Boxer models

€9.50
Prices incl. VAT, plus shipping costs
Part no. 1311827
Artikelbild Bearing shell conrod
BMW 2v Boxer models
Standard sized
€9.99 €12.50
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Gasket Set
For Karcoma fuel tap
BMW 2-valve Boxer models

€12.95
Prices incl. VAT, plus shipping costs
Part no. 1612869
Artikelbild Gear shift bellows
BMW 2-valve Boxer models
€16.80
Prices incl. VAT, plus shipping costs
Part no. 2341746
Artikelbild Pushrod tube seal
18mm
BMW 2v Boxer models from 9/75 on
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1132995
Artikelbild Speedometer cable boot Gearbox input
BMW 2-valve Boxer models
€7.90
Prices incl. VAT, plus shipping costs
Part no. 6113170
Artikelbild Diode board
BMW 2v Boxer models
€79.90
Prices incl. VAT, plus shipping costs
Part no. 1231062
Artikelbild Oil pan gasket
BMW 2-valve Boxer models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 1113427
Artikelbild Cylinder head gasket
BMW 2-valve Boxer 1000cc and
Power Kit 860cc, Power Kit 1000cc
€9.99 €12.90
Prices incl. VAT, plus shipping costs
Part no. 1112715
Artikelbild Repair kit brake master cylinder 16mm
BMW Boxer models from 9/80 up to 9/81
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272365R
Artikelbild Alternator rotor
New part
BMW 2-valve Boxer models

€114.65
Prices incl. VAT, plus shipping costs
Part no. 1231641
Artikelbild Speedometer reset button cover
BMW 2-valve Boxer models
€9.85
Prices incl. VAT, plus shipping costs
Part no. 6212303
Artikelbild Crankshaft seal
BMW 2-valve models
Rear
€21.95
Prices incl. VAT, plus shipping costs
Part no. 1111739
Artikelbild In-line fuel filter
Mahle
BMW 2-valve Boxer models
KL 13
€2.49
Prices incl. VAT, plus shipping costs
Part no. 1614013
Artikelbild Paper gasket
For rear drive shaft housing
BMW2v Boxer models up to 9/84
€2.70
Prices incl. VAT, plus shipping costs
Part no. 3311098
Artikelbild Swing Arm Boot
BMW 2-valve Boxer models
€19.95
Prices incl. VAT, plus shipping costs
Part no. 3317304
Artikelbild Sealing rings for inspection
BMW 2V Boxer models
€4.75
Prices incl. VAT, plus shipping costs
Part no. 0711333
Artikelbild Speedometer GS2 km version
BMW R 65GS, R 80 G/S, R 80GS,
R 100GS, R 80GS Basic
"Plug and Play"
€319.00
Prices incl. VAT, plus shipping costs
Part no. 6212646
Artikelbild Hall sensor
BMW 2v Boxer models from 9/80 on
€129.90
Prices incl. VAT, plus shipping costs
Part no. 1200088
Artikelbild Transmission bearing Set
BMW 2-vakve Boxer models
5-speed gearbox
€78.00
Prices incl. VAT, plus shipping costs
Part no. 2312999
Artikelbild Carb gasket Set

BING carburator
64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
Without diaphragm
€19.95
Prices incl. VAT, plus shipping costs
Part no. 1311951
Artikelbild Airfilter
Mahle
BMW 2-valve Boxer models up to 9/80
LX194
€13.25
Prices incl. VAT, plus shipping costs
Part no. 1372382
Artikelbild Brake shoes
Lucas / TRW MCS 940
BMW 2v Boxer models up to 9/1980
Rear
€59.80
Prices incl. VAT, plus shipping costs
Part no. 3421083L
Artikelbild Fuel tap
Right side
BMW 2-valve Boxer models

€49.50
Prices incl. VAT, plus shipping costs
Part no. 1612114
Artikelbild Fork tube seal
BMW 2-valve Boxer models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 3142001
Artikelbild Float needle valve
BING Carburator 64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
€14.25
Prices incl. VAT, plus shipping costs
Part no. 1311318
Artikelbild Repair kit brake master cylinder 14mm
BMW Monolever models
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272785R
Artikelbild Seal for wheel bearing
BMW 2-valve Boxer models
€7.50
Prices incl. VAT, plus shipping costs
Part no. 3631836
Customers also viewed
Artikelbild Brake master cylinder 15mm
BMWR 80R, R 80R Mystic, R 100R, R 100R Mystic
€249.50
Prices incl. VAT, plus shipping costs
Part no. 3272022
Artikelbild Repair kit brake master cylinder 13mm
BMW 2-valve Boxer models
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272784R
Artikelbild Repair kit brake master cylinder 16mm
BMW Boxer models from 9/80 up to 9/81
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272365R
NEW
3431927_1 Repair kit Brakemaster cylinder 17mm
BMW R 90S, R 80/7, R 100 models

€109.00
Prices incl. VAT, plus shipping costs
Part no. 3431927
Artikelbild Repair kit brake master cylinder 12mm Front
BMW R 65GS, R 80G/S, R 80ST, R 45, R 65
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272369R
3432883S_1 Brake line stainless steel
BMW 45, R 65 from 9/81 on
Dual brake disc With low handlebar
€98.00
Prices incl. VAT, plus shipping costs
Part no. 3432883S
NEW
3431960_1 Rear brake master cylinder
BMW R 100 models
Rear
€349.00
Prices incl. VAT, plus shipping costs
Part no. 3431960
Artikelbild Repair kit brake master cylinder 20mm
BMW 4V Boxer and K 4V models
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272140R
3410490_1 Brake disc kit 320mm
With adapter
BMW R 80GS, R 80GS PD, R 100GS, R 100GS PD, R 80GS Basic

€349.00
Prices incl. VAT, plus shipping costs
Part no. 3410490
Artikelbild Brake master cylinder 16mm
BMWBoxer models from 9/80 up to 9/81
€249.50
Prices incl. VAT, plus shipping costs
Part no. 3272365
3353911G_1 Shock YSS
BMW R 80GS, R 100GS
"GS Sport"
€498.00
Prices incl. VAT, plus shipping costs
Part no. 3353911G
NEW
1812907_1 Silencer Hoske Set
Chrome
BMW R 45, R 65, R 65LS
35mm


€333.00 €398.00
Prices incl. VAT, plus shipping costs
Part no. 1812907
Artikelbild Polo Shirt
Siebenrock enthusiast
Size XXL
€33.31
Prices incl. VAT, plus shipping costs
Part no. 7800223
Artikelbild Brake line stainless steel
BMW R 75/6, R 90/6, R 60/7, R 75/7, R 80/7 R 100/7
With single front disc brake
€54.00
Prices incl. VAT, plus shipping costs
Part no. 3432698s
3432910_1 Brake line stainless steel
BMW R 45, R 65
Dual brake disc With high handlebar
€98.90
Prices incl. VAT, plus shipping costs
Part no. 3432910
Artikelbild Brake line stainless steel
Low handlebar
BMW R 45, R 65 up to 9/80
Dual brake disc
€98.00
Prices incl. VAT, plus shipping costs
Part no. 3432826
Artikelbild Screw
For emblem enamel
BMW /5 models

€1.95
Prices incl. VAT, plus shipping costs
Part no. 0711703
Artikelbild Repair kit brake master cylinder 14mm
BMW Monolever models
€63.90
Prices incl. VAT, plus shipping costs
Part no. 3272785R
Artikelbild Speedometer GS2 km version
BMW R 65GS, R 80 G/S, R 80GS,
R 100GS, R 80GS Basic
"Plug and Play"
€319.00
Prices incl. VAT, plus shipping costs
Part no. 6212646
Artikelbild Brake line stainless steel
BMW R 45, R 65
Monolever R 65, R 80
€54.00
Prices incl. VAT, plus shipping costs
Part no. 3432581
Artikelbild Oilfilter Set
Mahle
BMW 2v Boxer models with oilcooler
OX36D two-piece
€14.90
Prices incl. VAT, plus shipping costs
Part no. 1142146
Artikelbild Silencer Set
38mm Chrome
BMW /6 und /7 models

€398.00
Prices incl. VAT, plus shipping costs
Part no. 1811214
Artikelbild Fuel hose braided
6mm, fabric-covered
BMW 2-valve Boxer models

€9.50
Prices incl. VAT, plus shipping costs
Part no. 1311827
Artikelbild Brake line stainless steel
320mm brake disc
BMW R 80GS, R 100GS, R 80GS Basic up to 9/90
€57.00
Prices incl. VAT, plus shipping costs
Part no. 3432687
Artikelbild Brake line stainless steel
With dual disc brake
BMW /6, /7 models up to 9/80
€88.50
Prices incl. VAT, plus shipping costs
Part no. 3432699
4654839_1 Luggage rack
Mounting kit
BMW single seat G/S
€27.30
Prices incl. VAT, plus shipping costs
Part no. 4654839
Artikelbild Handlebar Flat
Chrome-plated 650mm
BMW 2-valve Boxer models
€92.50
Prices incl. VAT, plus shipping costs
Part no. 3271663
1114428_1 Timing cover gasket
BMW 2v Boxer models
Large
€4.95
Prices incl. VAT, plus shipping costs
Part no. 1114428
Artikelbild Brake master cylinder 12mm
Front
BMW R 65GS, R 80G/S, R 80ST, R 45, R 65
€249.50
Prices incl. VAT, plus shipping costs
Part no. 3272369
Artikelbild Plunger for chain tensioner Simplex
BMW 2V Boxer models
€10.86
Prices incl. VAT, plus shipping costs
Part no. 1131579
Artikelbild Throttle cable
High handlebar
BMW R 100 models
40mm carb Top Right
€27.90
Prices incl. VAT, plus shipping costs
Part no. 3273127
3353122Y_1 Shock YSS
BMW Monolever models
"Mono" Black edition
€389.00
Prices incl. VAT, plus shipping costs
Part no. 3353122Y
3353110Y_1 Shock Set
BMW /5, /6 and /7 models
YSS Black edition
€389.00
Prices incl. VAT, plus shipping costs
Part no. 3353110Y
3353451Y_1 Shock YSS
BMW R 80R, R 100R
"Sport"
€469.00
Prices incl. VAT, plus shipping costs
Part no. 3353451Y
3353122_1 Shock YSS
BMW Monolever models
"Mono"
€359.00
Prices incl. VAT, plus shipping costs
Part no. 3353122
3353911Y_1 Shock YSS
BMW R 80GS, R 100GS
"GS Sport"
€469.00
Prices incl. VAT, plus shipping costs
Part no. 3353911Y
3353911W_1 Shock YSS
BMW R 80GS, R 100GS
"GS Sport"
€498.00
Prices incl. VAT, plus shipping costs
Part no. 3353911W
5253335_1 Single seat GS
BMW R 80GS, R 100GS, R 80GSPD, R 100GSPD
€335.00
Prices incl. VAT, plus shipping costs
Part no. 5253335
2341639_1 Pivot bolt for gearshift lever
BMW 2-valve Boxer models
€22.50
Prices incl. VAT, plus shipping costs
Part no. 2341639
Artikelbild Reinforced Disc Spring
Ideal for the Siebenrock Big Bore Kit
€138.71
Prices incl. VAT, plus shipping costs
Part no. 2121597
Viewed