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BMW Rear Guide Rod Kit - Better traction and handling
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12-23-2008, 12:02 AM | #1 |
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BMW Rear Guide Rod Kit - Better traction and handling
*Original guide rods were made to deflect under load, a bad thing for good handling and traction(in of the the product images you can see where the stock 335i guide rod can deflect and bow under cornering and acceleration loads)
*Aluminum guide rods are made of all aluminum, a lightweight component thereby reducing wear and tear on other, more critical parts (rear subframe, control arm bushings, etc) Each guide rod weighs just over 1.5 lbs making for a total of ~3 lbs for both parts (stock guide rods weigh 2.1 lbs each or 4.2 lbs for both). A weight savings of over 1.2 lbs from the rear suspension. *Bushing with a rubber material at one end is replaced by a sealed joint for deflection and noise free operation. Bushing deflection is unwanted because it leads to excess suspension movement. This is bad for handling and traction due to constant alignment changes. Plus, any power from the engine can take longer to get to the ground because it has to windup the bushing first. The traction link is no brainier. You will have better traction and braking and more stability and you will feel this under acceleration. The traction link is actually a tuned spring so it is designed to deflect a lot under load which is really bad for the suspension control. This is the most important link to replace. Customer review of the guide/torque link kit along with the Quaife LSD: http://www.n54tech.com/forums/showpo...31&postcount=1 Retail is $412.80 $359.13 per set! Order here: http://www.hpashop.com/BMW-Rear-Guid...kit-e9x-m3.htm We now have the TRW version of the guide rods as well for those looking to save some money $259.95 for the set Order here: http://www.hpashop.com/BMW-Rear-Guid...de-Rod-TRW.htm Last edited by HP Autosport; 01-04-2017 at 11:20 AM.. |
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01-01-2009, 10:01 AM | #2 |
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Sounds interesting, but can you explain what differences we will actually feel if we install one of these? You say it can take longer to get power to the ground with the stock part, so are you saying we'll get faster acceleration? How much faster? And better handling? Will the car corner flatter with this part? What is it exactly that we can expect to feel? Is the difference noticeable in everyday driving or do we need to be at 9/10ths on a track to appreciate the change? Just trying to understand what the tangible benefits are and if they will apply to every day driving... Thx!
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01-01-2009, 12:34 PM | #3 | |
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01-02-2009, 02:37 AM | #4 | |
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Going from a bushing to a joint, you should feel that right away. I think the best way to explain it is for you to hop in a new M3 and find out for yourself. |
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02-03-2009, 11:19 AM | #6 |
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02-18-2009, 02:35 PM | #7 |
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02-18-2009, 02:42 PM | #8 |
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02-18-2009, 05:29 PM | #10 | |
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The front tension rods and lower wishbones will make a huge difference for you, but every little bit helps! |
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02-23-2009, 11:47 PM | #11 |
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These guide rods are now back in stock, but they won't be on the shelf for long. Order your today!
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04-07-2009, 12:48 AM | #12 |
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Looking for a bit more traction? These guide rods will help you plant your tires better and give you a bit more traction.
OEM 335i guide rods are flexible and have way too much deflection when compare the the M3 pieces. |
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08-18-2009, 12:10 PM | #13 |
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I can vouch for this! Harold hooked me up with the M3 parts and this was one of the 1st things I noticed when I got my car back...better rear wheel traction and the rear stays more planted under hard acceleration (i.e. prior to this, the rear tires would tend to chirp a bit before gripping). Definitely a great mod!
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09-02-2009, 10:26 AM | #14 | |
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Excellent! |
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09-16-2009, 04:09 PM | #16 |
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09-16-2009, 05:53 PM | #17 |
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Kind of a dumb question, but would an alignment be needed after installation?
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09-16-2009, 06:31 PM | #18 |
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05-26-2010, 09:45 PM | #19 | |
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Harold,
I got the Quaife from you recently. Getting the BMW Performance Suspension, including th perf. springs soon, and I may have enough left in the wallet for just the M3 guide rods for now. I saw in another post you mentioned how you just unbolt these and put the new ones in. In the Bentley manual it talks about having to losen the stabilizer links and rotate the sway bar upwards to get room to work. Just want to confirm it can be done without that step? Quote:
Thanks! |
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05-26-2010, 10:35 PM | #20 | |
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05-26-2010, 11:17 PM | #21 |
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does it really cost that much to fabricate it? pretty pricey part for some small rods.
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05-27-2010, 09:09 PM | #22 |
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Thanks Harold. Does the kit you sell come with new self locking nuts and fastners? If not do you have the correct part numbers for those so I can order them seperatley or do you feel they are not needed? The diagram is hard to tell what to order.
Also, did you raise the price back up to retail? It was around $370. Scott |
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