Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #151
    Join Date
    Nov 2017
    Location
    Irvine, CA
    Posts
    822
    I know our cars are supposed to be weighted when doing an alignment. I forgot the specifics but it was roughly 150lbs in each of front seats, 150lbs in middle of rear bench, and 50lbs in the middle of the trunk.

    I have yet to see a tire+alignment shop add these weights. Last time I went to a Big O tires, I went to a Lowes beforehand and bought ten 50lb bags of gravel, and returned them afterwards like a maniac.

    Do the alignment racks, Hunter or any other brand, take these weights into account on an unladen car or are the weights supposed to be added?

    Just wondering if I can skip the Lowes or Home Depot for the next alignment.

  2. #152
    Join Date
    Nov 2016
    Location
    Charlotte, NC
    Posts
    3,130
    I'd skip it man. BMW still uses sand bags to get the weight right but I don't worry about it. It's just to mimic loading from people in the cabin and junk in the trunk.

    If I think of it before I get an alignment, I'll tuck two 50lb dumbbells behind the drivers seat but that's about it. Definitely not necessary especially with the degree of accuracy you're getting from Shrek at Big O Tire or whatever.

  3. #153
    Join Date
    Nov 2017
    Location
    Irvine, CA
    Posts
    822
    Quote Originally Posted by ZHPizza View Post
    I'd skip it man. BMW still uses sand bags to get the weight right but I don't worry about it. It's just to mimic loading from people in the cabin and junk in the trunk.

    If I think of it before I get an alignment, I'll tuck two 50lb dumbbells behind the drivers seat but that's about it. Definitely not necessary especially with the degree of accuracy you're getting from Shrek at Big O Tire or whatever.
    Hahahahaha yeah, I figured even Shrek can set toe.

  4. #154
    Join Date
    Dec 2019
    Location
    Raleigh, NC
    Posts
    879
    For anybody wondering, E36 M3 strut mounts + Z4M FCABs nets you about 8.7 to 8.8 of caster.

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    330i Base | Mysticblau | Slicktop | 6MT

  5. #155
    Join Date
    Nov 2016
    Location
    SF Bay
    Posts
    613
    That's really similar to my alignment, For those on coilovers but don't want tons of camber, turn your camber plates 45 degrees so that when you adjust them, they slide "towards the interior and inwards". With adjustable control arm bushings and this modification, I have 6.9 degrees of caster and -1.9 degrees of camber.

  6. #156
    New 2006 ZHP owner here. I drove the car home from the SF Bay Area to San Diego yesterday and the car is awesome. It feels a little "darty" on the freeway, which with other cars of mine has been due to alignment issues. I've read this entire thread, and I never found the factory alignment specs for the car.

    Does anyone have the factory alignment specs for a 2006 ZHP with staggered 18" tires?

    Thanks, Mike

  7. #157
    Join Date
    Feb 2013
    Location
    Austin TX
    Posts
    7,615
    I got an alignment last week. The shop reported "tie rods frozen, unable to break loose." I agreed to replace the tie rods on both sides, inner and outer.

    After the alignment was done, I noticed some values were out of spec. They said that's the best they could do and some other parts would need to be replaced to have everything green. But they didn't specify which parts. Here's the before and after screenshot. The car drives fine BTW.

    What are your thoughts on this?

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    2005 IR / black / 6MT
    157,000 miles

  8. #158
    Join Date
    Feb 2014
    Location
    Kitchener, ON
    Posts
    6,045
    fredo - i assume both rear camber adjustment bolts are moving freely? if so... i would look at your RR lower camber arm to see if it's bent or not. those are pretty flimsy, and designed to be 'expendable' in the event of an impact.

    also, how old are your RTABs?

    for the front, the FCAB impacts caster but the top mount would affect camber and caster angle. how old are your front strut mounts?

    peter
    peter

    2004 330i ZHP
    2005 330iT ZHP
    2010 328iT M Sport

  9. #159
    Join Date
    Sep 2018
    Location
    Austin, Tx
    Posts
    298
    Quote Originally Posted by fredo View Post
    I got an alignment last week. The shop reported "tie rods frozen, unable to break loose." I agreed to replace the tie rods on both sides, inner and outer.
    Not uncommon at all.

    Quote Originally Posted by fredo View Post
    After the alignment was done, I noticed some values were out of spec. They said that's the best they could do and some other parts would need to be replaced to have everything green. But they didn't specify which parts. Here's the before and after screenshot. The car drives fine BTW.
    • Did they add weight to the car to get it to the correct ride height? BMW specs are expecting the car to be at a specific height, it will definitely affect rear camber if its too high but based on the LR camber coming in to spec maybe it is correct?
    • Is the RR LCA bent, it doesn't look like it changed much from before to after, was it already maxed out?
    • Is the LF strut bent? If you measure between the tire sidewall and the strut housing and compare to the RF you can see if one is different than the other. They should be the same, even sticking a finger or thumb in there should tell you
    Current Garage... '00 R11S, '09 HP2S, '12 R12GSA, '00 Black 323iT (wife's), '02 Alpine 325iT (Eileen, Track Wagon), '02 Japan Rot 325iT

    Instagram @ HillPerformanceBimmers
    Email to George@HillPerformance.com

  10. #160
    Join Date
    Feb 2013
    Location
    Austin TX
    Posts
    7,615
    Gents, I appreciate your comments. I have additional details:

    Peter,
    1) I don't know how old those parts (RTABs, front strut mounts) are.
    2) I will check into the RR lower control arm.

    George,
    1) The shop doesn't add weights for the alignment. But I made sure the gas tank was full.
    2) Yes, the LF strut seems to be bent. We can double check next time I visit your shop.

    Thank you!
    2005 IR / black / 6MT
    157,000 miles

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