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335 Brake Conversion on 330
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01-11-2021, 06:14 PM | #1 |
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335 Brake Conversion on 330
I've done some research but haven't come to a conclusion. What is all needed to convert the front brakes from my 330 to 335? As far as I can tell it'd be calipers, caliper carriers, and rotors, and a brake flush of course. Is there anything else I'm missing or might be misinformed about?
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01-12-2021, 12:42 PM | #2 |
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that would be it, and even the calipers is debatable, at least in europe the 330 & 335 calipers are the same.
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01-12-2021, 04:15 PM | #3 |
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Thanks for the confirmation. The calipers are identical in the rear, in the US 335 fronts are larger
vester86
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01-13-2021, 07:41 AM | #4 |
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Coding. I am not sure whether 06 330 has performance brake option. You would have to code to performance setting. It is dramatic improvement according to research I did. Also, more importantly it adjust brake bias.
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01-13-2021, 08:30 AM | #5 |
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I remember hearing about that. People were experiencing terrible brake shutter without it. Are 335 brakes considered performance brakes?
edycol
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01-13-2021, 11:01 AM | #6 | |
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I did not see anyone doing on 330i probably bcs. it was offered only for a year so not many around. Plus, 330i already has pretty big rotors if heat dissipation is imperative. Now, you already have same calipers and rotors in back as 335? If so (I never checked that) then coding might not be necessary. If you do it, check in wet and slippery (snow, ice) how it behaves. What do you want ultimately? I track my 328 so I am thinking going 335 brakes. But even these on my 328, with 312mm rotor never fade at High Plains Raceway east of Denver. If you are not tracking your car, I would say forget it. If you do, reason why to go with 335 is that you might not need specialty pads and save a lot of money. |
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01-13-2021, 11:09 AM | #7 |
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You do not need to code the car for different brake sizes; Thats insane.
Ive put 348/345 brakes w/ bigger piston calipers (replacing 324/320) on my 530, 330i front brakes on my brothers 328 and 335 front brakes on my fathers friends 328. All non M cars had the same brake booster/master and all all the same abs module/pump(rwd and x-drive differ though) |
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01-13-2021, 01:45 PM | #8 | ||
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Improved stopping distance at speed (canyon runs and tracking) which is ideal considering the weight of xi's Heat dissipation could improve as I currently do not have a drivers air duct Cosmetics, they just look good. Plus I need to do a fluid flush anyways. My buddy will be buying my old brakes off me for his 325 build
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01-13-2021, 01:47 PM | #9 | |
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01-13-2021, 01:53 PM | #10 | |
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They are heavier for sure: the 330 calipers(and 335 as well) are aluminum vs the 312 steel calipers but the 335 rotors are thicker than both. So as well as being larger diameter they add weight(Z4 rotors is a good way to bring it back down) Our reasoning for the 330 front brakes is on my brothers; its a rwd 328(small parking brake). We cant upgrade the rears so I didn't want to add too much front bias to the system. |
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01-13-2021, 02:00 PM | #11 |
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I am one person that required coding when I did the front retrofit on my wife’s 328i. The car would actually jerk side to side while braking after the retrofit (not the steering wheel but the entire car). After coding, the 328 stops better than my 335i.
Edit, I think I actually started a thread on it.
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01-13-2021, 03:28 PM | #12 | |
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01-13-2021, 04:07 PM | #13 | ||
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Thats a good point for 328 owners. 335 brakes should feel right at home on a 330xi
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01-13-2021, 04:11 PM | #14 | ||
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If my car was a 335 I'd be more inclined to do F series brakes, otherwise it's just not justifiable haha. PM sent for the 335 front brakes
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01-13-2021, 07:05 PM | #15 | |
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01-13-2021, 07:13 PM | #16 | ||
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01-13-2021, 07:24 PM | #17 | ||
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On that note, F30 brakes would be a much better upgrade. |
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01-14-2021, 11:48 AM | #18 | |
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Winter tires for winter, summer performance for summer. Another set for track. You are fooling yourself with all seasons. You willd estroy all seasons on track. It does not matter what all seasons you have, they will get physically altered on a track. One of the reasons I am hesitant to go 335 is that then I cannot fit 16" wheel on 328. I run snow 205/55 R16 in winter, Continental VikingContact 7. There is no snow plow that can catch up with me. In summer, I return to 225/45 R17. For track I will now find cheap 18" on Craigslist and run Firestone Firehawk Indy 500 as they are dirt cheap and offer good grip. |
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01-14-2021, 12:21 PM | #19 | ||
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I'm lucky if I see a track day (btw, it's literally a gokart track the local car club rents) once or twice a season, which I got a spare set of wheels for already. This thread is about a 335 brake conversion and I certainly didn't ask for your opinion on tires
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01-14-2021, 01:19 PM | #20 | |
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That is my opinion/experience I was getting paid for. |
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01-14-2021, 02:38 PM | #21 |
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My vote is to save money and get f30 4 piston brembos. I got a set of front calipers for 300 shipped. Then its a matter of calipers and pads. All in I wanna say I spent $700 and get to have Brembos.
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01-14-2021, 04:33 PM | #22 |
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