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      03-27-2007, 04:12 AM   #43
wuufer001
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Drives: 2006 E90 M/T
Join Date: Mar 2006
Location: DFW, TX//Taiwan//South Africa

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2006 325i  [4.67]
Quote:
Originally Posted by MarkE90M3 View Post
Well, there are already some aftermarket suspension out there for the E90, and although BMW come with great handling cars from the factory, a simple spring/shock change can turn a great handling car into a sick handling car

I tried to compile it all into one list for now so we can all use it for reference.. hope this helps, and if anyone has suggestions or finds new products please post them here, it would help everyone out !

For those that don't know, its always better to get a matched spring/shock set for a car in terms of handling performance, ie. a coilover set will be better then just springs, but it may also be overkill for the street, depending on what you use your car for..


I'll try to organize these by the amount of lowering they offer from least agressive to most agressive. ALL LOWERING MEASUREMENTS ARE BASED ON THE STANDARD SUSPENSION, NOT SPORTS SUSPENSION. Obviously, if you have the sports suspension, then these options will lower the car a bit less then listed here.

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Springs:


0.6" --> OEM Stock BMW Sports Suspension
1.2" / 1.0" --> Eibach Pro-Kit (part # 2085.140)
1.2" / ???? --> KW Automotive Springs (part # 25020058)
1.2" / ???? --> Hartge Sport Springs
1.3" / 1.2" --> H&R Sport Springs (part # 50490)
1.35" / 0.8" --> H&R Sport Springs (part # 29187-1) (** Europe-Part# ** this is aparently the same spring as the 50490 but with different lowering listings for some reason.)
1.57" / 1.3" --> Hamann Progressive Springs (part #20 090 120)
1.8" / 0.8" --> H&R Race Springs (part # 29183-1) (** Europe only **)
2.0" / 1.4" --> Eibach Sportline (part # 4.0285)

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Shocks only:

Non-adjustable Shocks:

Bilstein B12 Tuning kit shocks (part # SE5-C043) -- Lowering Range--> 35mm
Bilstein B6 sport shocks (part # VE3-C037 / VE3-C038) -- Lowering Range --> retains stock height


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Matched Sets/Coilover Sets:

Non-adjustable Matched Springs+Shocks:
Eibach Pro-system (part # 70-20-014-02-22) -- Lowering range--> Front/Rear: 1.2"

Height Adjustable:
KW Variant 1 coilovers (part # 10220032) -- Lowering range--> Front: 1.2-2.3" Rear: 0.9-2.1"
H&R Coilovers (part # 29177-1) -- Lowering range--> Front: 1.58-2.78" Rear: 1.19-2.38"
Eibach Prostreet-S (part # 65-20-014-01-22) -- Lowering range--> Front: 1.38-2.57" Rear: 1.38-2.57"
Bilstein B14 PSS coilover (part # HE5-C047) -- Lowering range--> 30-50mm
Hamann Coilovers (part # 20 090 105) -- Lowering range--> Front: up to 2.36" Rear: up to 1.57"

Height Adjustable + Rebound Adjustable Dampening:
KW Variant 2 coilovers (part # 15220032) -- Lowering range--> Front: 1.2-2.3" Rear: 0.9-2.1"

Height Adjustable + Rebound Adjustable + Compression Adjustable Dampening:
KW Variant 3 coilovers (part # 35220032) -- Lowering range--> Front: 1.2-2.3" Rear: 0.9-2.1"
Bilstein B16 PSS9 coilover (part # GM5-C051) -- Lowering range--> 30-50mm



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Anti-roll bars:

Eibach: 28mm / 15mm (part # 2085.320)
H&R: 27mm / 20mm (part # 33211-1)
for the BMW suspension noted, do they refer to both 325i and 330i?
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