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02-07-2013, 10:16 PM | #1 |
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Brembo 365/345 same weight as stock?
http://www.eurotuner.com/techarticle...r/viewall.html
This article says there are no weight savings, while many others have said that there are roughly 24lbs in savings. What gives? Anyone have an answer to this? Thanks |
02-07-2013, 10:44 PM | #2 |
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i thought what they said was generally true. the rotors are bigger usually in diameter and thickness so often heavier. the calipers are also usually of larger size but of lighter weight material. Pads end up being heavier as well because they are larger covering a larger swept area. you get more thermal capacity and larger stopping power with a slight weight loss. there is a thread comparing weight of each kit somewhere here.
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02-08-2013, 10:53 AM | #3 | |
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Quote:
"BRAKES Stock assembly (F/R): 37.2/30.7 lbs F caliper assemb: 14.5 lbs with pads and rubber line (Badfish weighed this) F rotor assemb: 22.7 lbs (Badfish weighed this) R caliper assemb: 11.0 lbs with pads and rubber line (Badfish weighed this) R rotor assemb: 19.7 lbs (Badfish weighed this) Brembo 365x34 (F) 345x28 (R) Kit Brembo F caliper assemb: 14.0 lb (weighed by sparkyg) Brembo F rotor assemb: 24.5 lb (weighed by sparkyg) Brembo R caliper assemb: 9.5 lb (weighed by sparkyg) Brembo R rotor assemb: 15.0 lb (weighed by sparkyg) Cost: ~$6100 Weight savings: 9.8 lbs cost/benefit: $622/lbs http://www.m3post.com/forums/showthr...15#post5194815 Stoptech 380x35 (F) 355x32 (R) Kit Stoptech F caliper assemb: 13.11 lbs with pads & bracket (Badfish weighed this) Stoptech F rotor assemb: 21.01 lbs (Badfish weighed this) Stoptech R caliper assemb: 11.15 lbs with pads & bracket (Badfish weighed this) Stoptech R rotor assemb: 19.33 lbs (Badfish weighed this) Cost: $5890 Weight savings: 4.6 lbs cost/benefit: $1280/lbs http://www.**********s.com/product.a...BK_E92_M3_RS10 http://www.m3post.com/forums/showthread.php?t=150944 Performance Friction 371x32 (F) 372x30 (R) Kit (prototype, production will use slightly ligther brackets) Performance Friction F caliper and rotor assemb: 28 lbs with pads & bracket (James C weighed this) Performance Friction R caliper and rotor assemb: 34 lbs (James C weighed this) Cost: $8000 Weight savings: 12 lbs cost/benefit: $666/lbs http://www.m3post.com/forums/showthr...=232463&page=3 http://www.nexternal.com/bimmerworl/Product1060"
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