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      12-12-2023, 04:09 PM   #2143
rbryantaz
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Drives: 2007 E70 4.8i, 2008 E90 335i
Join Date: Jul 2015
Location: Phoenix, AZ area

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Garage List
2008 BMW 335i  [7.67]
2007 BMW X5 4.8i  [10.00]
Quote:
Originally Posted by Igor.v_a View Post
The main brake cylinder for 325 and 335 is the same (one catalog number)
But vacum amplifiers are different.
Is that "vacuum amplifier" difference mainly because of the turbo(s)?

It would need a check valve (and/or a pump), so that it holds vacuum under boost.

At least that is how other more simplistic turbo cars that I have owned work. I haven't looked that closely at my 335i actually.

Or do you just mean brake booster by "vacuum amplifier" I thought I checked the boosters and they were the same for hte 335/325.

-Rich
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2007 E70 X5 4.8i with 10" android screen Running 265/60/18 AT34s All Terrains (Mainly for road trips)
2008 E90 335i with 10" android screen, 7" intercooler, inlets, Dinan intake, JB4 BEF, E85 conversion, Mfactory LSD, M3 suspension, EDC shocks with custom controller.

Last edited by rbryantaz; 12-12-2023 at 11:48 PM..
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