Brake Rotor Specifications

E93Dude · 09-16-2024, 03:02 PM

How thin can the OEM brake rotors be on an E9X 335i before they are out of spec? Thanks

The Nightman · 09-16-2024, 05:24 PM

Basically replace them after they've worn 1.6mm from starting thickness. 348x30mm rotor = 30mm - 1.6mm = 28.4mm minimum thickness.

Grease23 · 09-16-2024, 09:13 PM

Some states also have laws on this subject, prohibiting shops from turning rotors if they will be thinner than a certain standard.

09-16-2024, 03:02 PM	#1
E93Dude Lieutenant 391 Rep 444 Posts Drives: 2007 E93 MT6 Join Date: Sep 2018 Location: The Old Dominion iTrader: (0) Garage List 2007 BMW E93 [0.00]	Brake Rotor Specifications - how thin before out of spec? How thin can the OEM brake rotors be on an E9X 335i before they are out of spec? Thanks __________________ BMW: Doing Amazing(ly cheap) Things With Plastic (crap) Since the E90...
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09-16-2024, 05:24 PM	#2
The Nightman Cometh 1247 Rep 1,411 Posts Drives: Boy's Soul Join Date: Jul 2016 Location: Boy's Hole iTrader: (4) Garage List E90 LCI "330i& ... [10.00]	Basically replace them after they've worn 1.6mm from starting thickness. 348x30mm rotor = 30mm - 1.6mm = 28.4mm minimum thickness. Last edited by The Nightman; 09-16-2024 at 05:29 PM..
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09-16-2024, 09:13 PM	#3
Grease23 Private 98 Rep 78 Posts Drives: BMW 328i Join Date: Jan 2024 Location: Seattle iTrader: (0)	Some states also have laws on this subject, prohibiting shops from turning rotors if they will be thinner than a certain standard.
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