Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2013128I 2D CONVERTIBLE, ENG CD N52, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1012 (BRAKE SYSTEM - REPAIR)BRAKE TESTING AND BLEEDING34 00... CHECKING BRAKE DISCS
2013 BMW 128i 2D Convertible, Eng CD N52, Standard Trans
34 00... Checking brake discs
2013 BMW 128i 2D Convertible, Eng CD N52, Standard TransSECTION 34 00... Checking brake discs
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
- 34 1 280
See BRAKES - SPECIAL TOOLS .
Necessary preliminary tasks:
- Remove WHEELS
Checking thickness difference:
- Measure thickness difference within brake surfaces at 8 point (spread over the circumference) with a micrometer gauge
- Compare measurement result with setpoint value . See BRAKES - TECHNICAL DATA .
Check minimum brake disc thickness:
- Position special tool 34 1 280 at three measuring points in measuring area (1) and measure
- Compare measurement result and lowest value with setpoint value . See BRAKES - TECHNICAL DATA .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.