M50 swap that will blow your mind.

[erynapolean777]

interested in a pin

[Noshow20x96]

interested in a pin

Pm me


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[Noshow20x96]

interested in a pin

Pm sent


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[hoveringuy]

The e30 doesn’t feel like I’m driving a 31 year old car anymore. It’s very responsive, predictable pedal, smooth braking even with the RX7 calipers. I would recommend this booster to ever single e30 owner out there.

What is it that makes this MC feel better than others? I didn't think that brake boost technology has changed much in 30 years, it's still just a big pneumatic diaphragm with a metering valve.

[moatilliatta]

I think its just an Availability thing.

New ATE $200.


The feel of an 31 year old well maintained E30 are great. Not numb or everything is over boosted.

[Noshow20x96]

What is it that makes this MC feel better than others? I didn't think that brake boost technology has changed much in 30 years, it's still just a big pneumatic diaphragm with a metering valve.

Hey buddy sorry for the delay to reply, just wanted to start by saying something has changed with the boosters and MC, idk if you have driven any new bmw’s lately but every time I hit the brakes with the slightest touch I feel like my head is going to go through the windshield lol

The feeling I get with this booster in my e30 feels like that. It surprises me every time I hit the brakes lol


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[moatilliatta]

Hey buddy sorry for the delay to reply, just wanted to start by saying something has changed with the boosters and MC, idk if you have driven any new bmw’s lately but every time I hit the brakes with the slightest touch I feel like my head is going to go through the windshield lol

The feeling I get with this booster in my e30 feels like that. It surprises me every time I hit the brakes lol


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So it's overpowered / New car feeling?

What master cylinder and calipers are you running?


This is one thing I don't want. Touchy overpowered brakes.

[jjc034]

So it's overpowered / New car feeling?

What master cylinder and calipers are you running?


This is one thing I don't want. Touchy overpowered brakes.

Agree with the touchy, but I LOVE mo' powaaa haha

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[Noshow20x96]

So it's overpowered / New car feeling?

What master cylinder and calipers are you running?


This is one thing I don't want. Touchy overpowered brakes.

Not too much in that since. I have the rx7 calipers.

It’s like how I expand it in my post, it’s just a more responsive brake pedal, predictable and feels like it have more braking power. If you guys where in the jersey area I would let you drive it and see for your self.


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[razo-s.supra]

I got the pin about 3 weeks ago and barely got around to buttoning up my swap brake wise. The fitment of the pic is perfect. Fits the m5x just right. If I had to do it over again I would.

https://photos.app.goo.gl/raAopxesH8LUv8sd9

[pazi88]

So it's overpowered / New car feeling?

IF you jump around between e30 and newer cars, the difference how much brake power you need to apply is quite big. Which is quite annoying and because of the brake feel the e30 feels like outdated car. Which it is :D So I at least would much rather get the same new car feel to the e30 brakes also.

And inspired by this thread, I also got myself e90 booster. 50€ from ebay and in like new condition. Going to install that to my car next winter when the driving season ends here.

But well. Some people even like the boosterless setups and I personally think that those are the most horrible thing to have...

[moatilliatta]

Hope not to get thread OT.

I now have a 944 booster, Used 20+ years old.

If feels like Slight assist. Less than E30.. But I feel like the E30's original was perfect.

I wonder if my 944 booster is just weak? It holds a vacuum just fine.

[Noshow20x96]

I got the pin about 3 weeks ago and barely got around to buttoning up my swap brake wise. The fitment of the pic is perfect. Fits the m5x just right. If I had to do it over again I would.

https://photos.app.goo.gl/raAopxesH8LUv8sd9

Awesome job man. What reservoir are you doing and the adapters for it. Let me know when you take that thing for a spin.


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[Noshow20x96]

Hope not to get thread OT.

I now have a 944 booster, Used 20+ years old.

If feels like Slight assist. Less than E30.. But I feel like the E30's original was perfect.

I wonder if my 944 booster is just weak? It holds a vacuum just fine.

This is one of the reasons why I went with the e9x booster and I kept reading that the diaphragms on the 944 boosters break internally, very common.


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[jwal]

Any updates to the parts list/DIY? I'm interested to know more about the X3 booster that may be a more ideal fit.

It would be awesome to be able to develop a kit for this swap, so the process can be done without guesswork and getting stuck needing more parts. Even better if all the parts can be ordered new, apart from the booster as that would be pricey.