735i brake booster/cylinder

[MR 325]

E23 is hyrdoboost or whatever they call it. E23 won't work.

[Lobstrosity]

The rules to join the PNW Crew is you have to provide a goofy picture of yourself for identification... so there it is. :)

I can verify that Dmitry looks normal in person ;)

Where did you find the brake booster/master, was it local? Are there any more :D

[trucupey]

Any pictures?

Does anyone have any pictures of the e32 735 booster and master? If you do please post. Thank you.

Alex

[matt]

Looks just like the iX booster everyone uses. Two smaller diameter boosters in series.

[etxxz]

sorry to revive this thread....does it matter if its from an automatic 735i??

i bought a booster for like $21 and left the MC becuase it was automatic and thought "what goes to the slave?" looking at realoem.com i think that i didnt know what i wanted. any input would be greatly appreciated since $14 more >> $380 for a new one.

[BigD]

Nope, they're all the same. Don't take my word for it, verify on realoem.com. You'll find the exact same brake booster/MC on the 735 and E34 M5 (I wonder what others?) and the booster only on the iX (which really means it's the last car you should try to look for, since it's rare and doesn't have the 25mm MC).

[nando]

So does anyone else realize that the 735i brake booster/master cylinder is the exact same booster as the iX, and the exact same master cylinder as the E34 M5??? Everyone seems to be hounding for only those two specific ones, which are uber rare used, when you could simply find a junker 735i and have the complete assembly....

yeah, I actually bought a 735i master cylinder for my ix in case I ever do bigger brakes down the road.

[etxxz]

yeah real oem says they're the same auto and manual thanks you two!

[chuck90m3]

The IX fork is a one car piece. just for the IX, this is the fork to use in the E30. Check parts use on ETK

[BigD]

The IX fork is a one car piece. just for the IX, this is the fork to use in the E30. Check parts use on ETK

What's your point exactly? The booster is still the same. No the E32 fork doesn't fit. Your E30 came with a fork, use it.

[chuck90m3]

My POINT is that the E30 fork and the IX fork are different pieces. If you use the 7ser or the regular E30 forks your brakes will not work properly. I am not saying they will not perform optimality, they will actually lock up while driving the car. The 7ser and the regular E30 forks are longer and you can not get the correct amount of adjustment out of them. which in turn will keep the brakes slightly ingaged and cause the ABS pump to lock up either the front drivers side or the rear passenger side of the car. I know this from experience, trust me.

If you have access to a tap and die set you can run the threads through the 7ser or E30 fork and shorten the back side to an overall length of 40MM. Or just order PN 35 21 1 158 439, i want to say they are $5-$10 with no work.

[e30s52]

My POINT is that the E30 fork and the IX fork are different pieces. If you use the 7ser or the regular E30 forks your brakes will not work properly. I am not saying they will not perform optimality, they will actually lock up while driving the car. The 7ser and the regular E30 forks are longer and you can not get the correct amount of adjustment out of them. which in turn will keep the brakes slightly ingaged and cause the ABS pump to lock up either the front drivers side or the rear passenger side of the car. I know this from experience, trust me.

If you have access to a tap and die set you can run the threads through the 7ser or E30 fork and shorten the back side to an overall length of 40MM. Or just order PN 35 21 1 158 439, i want to say they are $5-$10 with no work.

so if whats he is saying i need an ix fork with my 735 booster?

[chuck90m3]

e30 325 fork PN 35 21 1 154 097 L=44MM
e32 735 fork PN 34 33 1 156 826 L=50MM
e30 325ix fork PN 35 21 1 158 439 L=40MM

[BigD]

so if whats he is saying i need an ix fork with my 735 booster?

No you use the one that came on your car. Screw off, screw on, done.

[chuck90m3]

you wont have enough threads to adjust it down far enough. or just buy the right shit, its a $7 part. not the biggest expense the swap.