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BMW ULTRA-LITE Competition Flywheels

 

Our ULTRA-LITE competition flywheels are designed to enhance vehicle performance by reducing the static flywheel weight and more importantly, the Moment of Inertia (MOI) to near minimum which allows the engine to "rev" quicker thus increasing the vehicle's acceleration rate. These flywheels are designed for off-highway competition usage only and utilize reduced diameter multi-disc racing clutches. These clutch systems require a properly installed and adjusted clutch pedal stop to control clutch pedal travel. These flywheels and clutch systems are not suitable for street driven vehicles.

ULTRA-LITE Flywheel Kits include:
 
- Complete CNC machined UL aluminum flywheel
- Replaceable, hardened steel friction surface
- Clutch mounting hardware
- Helicoil inserts installed as required
- Starter ring gear heat shrunk and bolted
- Hardened steel flywheel bolt ring w/
- Premium 10.9 grade installation bolts
- Zero Balanced

ULTRA-LITE Flywheel/Clutch Kits include:
 
- Complete CNC machined UL aluminum flywheel
- Racing multi-disc clutch (114, 140, 184 or 200mm)
- Performance pressure plate (114, 140, 184 or 200mm)
-Throw-out bearing w/ custom JBR bobbin
- Replaceable, hardened steel friction surface
- Clutch mounting hardware
- Helicoil inserts installed as required
- Starter ring gear heat shrunk and bolted
- Hardened steel flywheel bolt ring w/
- Premium 10.9 grade installation bolts
- Zero Balanced

Our BMW ULTRA-LITE flywheels and clutch systems are categorized by chassis designation, year(s) and specific model to assist in locating a suitable flywheel for your application. Please select (click) from the BMW chassis groupings listed below to view the flywheel and clutch systems available.

 
(Click link below to view listings for:)
2002
E21
E30

E30 M3
E36 3-Series, M3

E39
E46 3-Series, M3
Z3 & M Coupe
Z4

 
Stock Clutch-Type Flywheels
ORDERING INFORMATION
 


2002, E21, E30

Fitment:
1968 - 76 2002, ti, tii w/ M10 2.0L - 4 cyl. (see note 1)
1977 - 83 E21 320i w/ M10 1.8L, 2.0L - 4 cyl.
1982 - 88 E30 316, 318i w/ M10 1.8L - 4 cyl.

 

ULTRA-LITE Competition Flywheel

BMW UL Flywheel Flywheel p/n Clutch Size: FW Wt. Price
520-100-140 140mm / 5.50" 6.5 lbs. $973.00
520-100-184 184mm / 7.25" 7.0 lbs. $973.00
520-100-200 (see note 2) 200mm / 7.87" 8.0 lbs. $973.00
         
 

ULTRA-LITE Competition Flywheel and Racing Clutch Kits (1) (3)

BMW UL Flywheel/Clutch Kit Flywheel/Clutch Kit p/n Clutch Size & Nr. of Discs FW/Clutch Wt. Price
520-100-140K-2D 140mm / 5.50", 2-disc   $1,878.00
520-100-184K-2D 184mm / 7.25", 2-disc   $1,765.00
520-100-200K-2D (see note 2) 200mm / 7.87", 2-disc   Call
 
Notes:
(1) When ordering for use in 2002 models the transmission must be specified. Original 2002 transmissions require our TOB/bobbin p/n 551-254. If an E21 320 transmission is being employed, TOB/bobbin p/n 551-250 is required.
(2) This flywheel is designed for Sachs 200mm RCS components. Available on custom order only.
(3) All Racing clutch kits require the installation of a clutch pedal stop to prevent clutch damage due to overtravel.

 


 

E30 M3

Fitment:
1985 - 91 E30 M3 w/ S14 2.3L- 4 cyl.

BMW UL Flywheel

ULTRA-LITE Competition Flywheel (1)

Flywheel p/n Clutch Size: FW Wt. Price
520-050-140 140mm / 5.50" 6.5 lbs. $973.00
  520-050-184 184mm / 7.25" 7.0 lbs. $973.00
BMW UL Flywheel Detail 520-050-200 (see note 2) 200mm / 7.87" 8.0 lbs. $973.00
       

ULTRA-LITE Competition Flywheel and Racing Clutch Kits (1) (3) (4)

  Flywheel/Clutch Kit p/n Clutch Size & Nr. of Discs FW/Clutch Wt. Price
BMW UL Flywheel/Clutch Kit 520-050-140K-2D 140mm / 5.50", 2-disc   $1,878.00
520-050-184K-2D 184mm / 7.25", 2-disc   $1,765.00
520-050-200K-2D (see note 2) 200mm / 7.87", 2-disc   Call
 
Notes:
(1) ULTRA-LITE Flywheel contains the ignition trigger required for OEM Motronics ignition system.
(2) This flywheel is designed for Sachs 200mm RCS components. Available on custom order only.
(3) All 2-disc clutch kits utilize TOB/bobbin assembly, p/n 551-250.
(4) All Racing clutch kits require the installation of a clutch pedal stop to prevent clutch damage due to overtravel.

 


E36, E46, Z3, M Coupe & Z4

Fitment:
1992 - 99 E36 3-Series w/ M50/M52 - 6 cyl.
1992 - 99 E36 M3 w/ S50 3.0L, S52 3.2L - 6 cyl.
1998 - up E46 3-Series w/ M52/M54 - 6 cyl., 5-speed trans only (see notes 3)
1998 - up E46 M3 w/ S54 3.2L - 6 cyl., 6-speed trans
1996 - 02 Z3 & M Coupe w/ M52/M54, S50/S54 M3.2L - 6 cyl.
2002 - up Z4 2.2i, 2.5i w/ 5-speed trans only (see note 3)

 

ULTRA-LITE Competition Flywheel

BMW UL Flywheel Flywheel p/n Clutch Size: FW Wt. Price
520-010-114 114mm / 4.50" 5.5 lbs. $1,113.00
520-010-140 140mm / 5.50" 5.5 lbs. $973.00
BMW UL Flywheel 520-010-184 184mm / 7.25" 6.0 lbs. $973.00
520-010-200 (see note 2) 200mm / 7.87" 7.0 lbs. $973.00
       
 

ULTRA-LITE Competition Flywheel and Racing Clutch Kits (4)(5)

  Flywheel/Clutch Kit p/n Clutch Size & Nr. of Discs FW/Clutch Wt. Price
  520-010-114K-2D (see note 1) 114mm / 4.50", 2-disc   $2,109.00
BMW UL Flywheel/Clutch Kit 520-010-140K-2D (see note 1) 140mm / 5.50", 2-disc   $1,878.00
520-010-184K-2D 184mm / 7.25", 2-disc   $1,765.00
520-010-200K-2D (see note 2) 200mm / 7.87", 2-disc   Call
BMW UL Flywheel/Clutch Kit
Notes:
(1) ULTRA-LITE Flywheel Kits are also available w/ 3-disc clutch - call for pricing and availability.
(2) This flywheel is designed for Sachs 200mm RCS components. Available on custom order only.
(3) E46 and Z4 applications utilized multiple clutch-hub spline configurations. EXACT year/model must be specified when ordering to ensure receiving the correct clutch discs.
(4) All 2-disc clutch kits (except E46 M3) utilize TOB/bobbin assemby p/n 551-250, 3-disc kits require p/n 551-251. E46 M3 installations require TOB/bobbin assembly p/n 551-252 (2-disc) or p/n 551-253 (3-disc).
(5) All Racing clutch kits require installation of a clutch pedal stop to prevent clutch damage due to overtravel.

 


E39

Fitment:
1996 - up E39 540i w/ M62 4.4L V-8 cyl.
1997 - up E39 M5 w/M62 4.4L v-8 cyl. (see notes)

 

ULTRA-LITE Competition Flywheel (1)

BMW UL Flywheel Flywheel p/n Clutch Size: FW Wt. Price
520-160-140 140mm / 5.50" 8.5 lbs. $1,246.00
   
         
 

ULTRA-LITE Competition Flywheel and Racing Clutch Kits (1) (2) (3)

(photo not available) Flywheel/Clutch Kit p/n Clutch Size & Nr. of Discs FW/Clutch Wt. Price
520-160-140K-3D 140mm / 5.50", 3-disc   $2,282.00
   
 
Notes:
(1) ULTRA-LITE Flywheel contains the ignition trigger required for OEM Motronics ignition system.
(2) This flywheel/3-disc clutch kit requires a custom TOB/bobbin assembly (p/n 551-253) which is included..
(2) All Racing clutch kits require the installation of a clutch pedal stop to prevent clutch damage due to overtravel.