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      03-15-2013, 05:12 PM   #1
HP Autosport

Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction,

iTrader: (34)

FS: JRZ RS1 - Dampers only or full package

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Slightly used JRZ RS1 off of my 1M. Less than 3K miles and just got them back from a full service/inspection by JRZ so they are basically new. I will include the bump stops, which I sue as secondary springs at no additional charge. The price is for dampers only, which retail new at $2499.

Adding springs, rear height adjusters and camber plates will add $1360 on top of the dampers. Alternatively, you can also source the above components on your own.

My review on these:

Product description from JRZ:

JRZ Suspension Engineering is proud to introduce the JRZ RS1, a revolutionary development in multipurpose high performance damping.

Applying our race winning technology, JRZ designed the JRZ RS1 to give ultimate comfort for public roads and precise chassis control when driving on track.

The JRZ RS1 is a high gas pressure, single adjustable monotube damper. The canister has been designed inside of the damper.

JRZ inner canister technology gives the advantages of monotube canister dampers without the mounting concerns and complexity.

Easy to install, the JRZ 1M M3 RS1 is available as a complete kit with mounting hardware and springs for all applications we support.

Built on the same production line and sharing components with our pro racing applications, the JRZ RS1 is of true professional heritage.

Following JRZ’s design philosophy, the JRZ RS1 has a large 22mm diameter piston rod in strut applications and a 16mm diameter piston rod in aluminium damper applications.

The large piston rod magnifies the high pressure gas charge which means great chassis control without using a high spring rate or increasing harshness.

Utilizing a mono tube design with a high flow piston ensures the smoothest possible ride in normal conditions while the bleed adjustment gives the ability to tune for racing situations.

Unlike many other single adjustable suspensions, damping balance is carefully maintained between compression and rebound. This damping balance is critical to maintaining tire contact with the road in addition to controlling the main mass of the vehicle.

To satisfy the diverse needs of each driver’s application, the JRZ RS1 has an extra large adjustment range.

With a few clicks you can turn your smooth street car into a crisp, rock solid track car in seconds.


• 22 mm rod strut, 16 mm rod damper
• 24 clicks of rebound
• Adjustable gas pressure, mono tube
• Piston designed for high performance
• Large adjustment range

JRZ has designed the JRZ RS1 to give the end user the best possible damper to drive daily, while maintaining the racetrack performance that wins championships.

The JRZ RS1 is shipped as a bolt-on kit and always comes with the personal support JRZ is known for.

Using the best materials, coatings and aerospace standard manufacturing processes as in our motorsport line; the JRZ RS1 is designed to perform flawlessly.

Adjustment is easy to perform and comes with the knowledge base only JRZ provides to his customers.


• Easy to use and bolt-in
• Street ride, racing performance
• Extra long product life
• One adjustment for complete control of ride and handling
• Professional racing quality

Recommended applications

• Daily driving
• Drivers education (DE) events and track days
• Club racing

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Last edited by HP Autosport; 03-31-2013 at 09:02 PM.
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      04-18-2013, 09:14 PM   #2
bdaddylo's Avatar

Drives: 2011 E82 1M
Join Date: Dec 2010
Location: Houston, TX

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Harold, congrats on the sale. Was this sold to a 1M owner?

1991 E30 M3/Brilliantrot
2011 1 Series M Coupe/VO/Fully Loaded/Bloated/Stoptech ST-40 Trophy Street
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      04-18-2013, 09:52 PM   #3
HP Autosport

Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction,

iTrader: (34)

Originally Posted by bdaddylo View Post
Harold, congrats on the sale. Was this sold to a 1M owner?
E9x M3. He will be coming up to Santa Barbara for the install soon.
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