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06-24-2019, 08:58 PM | #23 |
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Subframe bushings are the backbone of the rear suspension. Fine if you don't want to do it but just be aware.
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06-24-2019, 11:47 PM | #24 |
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In a stock 135i, the rear subframe bushings are *very much* a part of the suspension.
1) They are used to absorb the road vibrations transmitted through the RFT tires. 2) They are claimed to place an upper limit on the maximum rear spring rate that can be used. (reference from TC Kline) Only after you replace the bushings with a hard rubber/elastomer or solid metal component, then it can behave like a structural component. |
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06-25-2019, 05:43 AM | #26 |
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I think my solid polyurethan bushings are closers than metal component compared to stock bushings.
While installing a metal bar on it, it was impossible to have a deformation but on the stock ones it was possible even with a screw driver ... |
02-21-2020, 03:14 PM | #27 | |
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Any idea why Strongflex didn't make the rear 2 pieces too??
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02-22-2020, 11:22 AM | #28 |
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Avoiding brake fluid loss when disconnecting brake lines (and the associated potential for loss of prime in the ABS pump if the reservoir runs dry) is quite easy and works on all cars:
- depress the brake pedal half way and hold it there while the the brake lines are disconnected - there are special tools to do this, but all you need is a piece of wood cut to the correct length so that it fits between the seat and the pedal. Adjust the seat position to fine tune the pedal depression This is a basic technique that "all" automotive technicians know ... |
02-23-2020, 09:53 AM | #29 | |
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02-23-2020, 01:17 PM | #30 |
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As soon as you move the brake pedal in a little the master cylinder piston is past the fluid reservoir inlet port preventing further ingress of fluid or air.
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Last edited by Suprgnat; 02-23-2020 at 01:24 PM.. Reason: Too hard to read. |
02-23-2020, 01:36 PM | #31 |
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Makes perfect sense. Thanks for the explanation!
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02-24-2020, 12:56 PM | #32 |
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But by depressing the pedal a bit, won't fluid be coming out of the open lines? I suppose it won't be much, but you're gonna lose some fluid no matter what method you chose. I personally have some "caps" that I screw onto the end of the brake line.
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04-28-2020, 08:20 PM | #33 | |
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