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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > 07 335i - Adjust Parking Brake



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      12-30-2012, 09:21 AM   #1
jewrican
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07 335i - Adjust Parking Brake

I have seen several diys and they have been pretty good.. but for some reason my car is being stubborn.

I have an 07 e90 335i with sport but when i adjusted the brake using the star nut thing on the rear wheels it is still now working. It said to set it to tight then back off 10. I backed off 5 and it is still now holding nearly at all. I tried to look in the arm rest, and I don't have the adjustment that others have shown in the DIY.

This picture shows what I have seen (seems like it is a 330 instead of the 335.) I dont have those adjusting nuts there.

http://www.csfrancis.net/BMW/pbdiy.pdf

Mine looks more like this one but I am only 6 clicks off and it is not holding. I didnt do the part where he released the brake, but if anything wouldnt I be too tight if i didnt? This is the first time i have seen that how to.

http://www.1addicts.com/forums/showthread.php?t=655621

The brake was holding well before i changed the rear pads. I just don't know what would have changed or gone wrong???

Any ideas? Is there an adjustment on the car that I am not seeing or don't know about?
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      12-30-2012, 12:03 PM   #2
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The reason your car doesn't have the adjustments on the handle itself is because that it an E46 shown in that first link. E9x cars don't have any adjustment there. I never put the parking brake handle mechanism in "service mode" when I'm adjusting them. I only use that feature when I need to completely remove the cables (to remove the gas tank, etc.).

Are you sure you've properly re-engaged the cables at the handle mechanism area when testing the system? If the system is in "service mode", the shoes will not hold at all. The only other reason I've seen them badly mis-adjusted is when one or both of the parking brake shoes are toast. I'd recommend taking off the rotors to inspect and clean them. It also makes adjusting them a lot easier.

Hope that helps....
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      12-30-2012, 11:42 PM   #3
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i got sick of the weak brake and just said screw it.. it was about 5 clicks off of tight and i tightened it 3 more clicks. Doing better now. Not sure what the spec is on the 335i but that 10 clicks cant possibly be right unless someone had a drifting season with my handbrake.
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