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Wiseco Pistons Wiseco Pistons - BMW
Includes: moly coated skirts, rings, wrist pins & circlips.
* Non-coated, not supplied with rings.
 
Wiseco is world renown for their work building race winning pistons for compact engines featuring small bores, multi-valves, and high RPM's applications for many years.
 
Features:
  1. Stocking Pistons now come coated on the sides from the factory
  2. Valve Pocket designs that allow max flow around valve, also allowing oversized valves and high lift cams to be utilized.
  3. Piston crown shapes designed to promote max Intake Charge efficiency thru scavenging mixture 'Cross Flow" during intake and exhaust valve overlap. More fuel and air equals more horsepower.
  4. Pistons designed to optimize squish or quench during compression/combustion cycle event, resulting in resistance to detonation and pre-ignition. The end product is longer engine life and increased horsepower potential.
  5. Complex piston skirt profiles that reduce power robbing friction, yet promoting stability in bore for optimum ring seal.
  6. Precision machined ring grooves with proper orifice/accumulator volume using calculated groove root diameters and axial widths, featuring excellent surface finish and flatness providing maximum ring seal and minimizes blow-by and oil consumption.
  7. World class forging facility that utilizes the latest technologies featuring complex forged shapes, advanced materials, and featured aligned grain flw technology.

We also produce many other BMW piston styles.
Please email us for info.

Piston prices marked with an * do not include rings.
If you need rings, please order them here:
Rings with purchase of Wiseco Pistons:
Rings: Price/Set Buy Now Rings: Price/Set Buy Now
4 Cyl 110
6 Cyl 165
Rings purchased alone:
Rings: Price/Set Buy Now Rings: Price/Set Buy Now
4 Cyl 120
6 Cyl 180
Additional Options Available:
Option Description Price Buy Now
HD 1400DG Heavy Duty 2618 Forging 27,50/each piston
Qty:
ArmorGlide Skirt Coating 27,50/each piston
Qty:
ArmorPlating Piston Coating 27,50/each piston
Qty:
HD Pins Heavy Duty Wristpins 27,50/each piston
Qty:
Asymmetric Design Asymmetric Skirt 27,50/each piston
Qty:
BMW E30 3 Series:
M3 1988-1991 S14 "B25" Stroke (std. bore 93.4) 4 cyl.
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now

Inches K030M935B
569*
93.5 .004 3.425 5.669 1.190 42 -24 8.8 .866 3
Metric K030M940B
569*
94.0 .024 87.00 144 30.22 42 -24 8.8 22mm 3

Inches K030M935C
569*
93.5 .004 3.425 5.669 1.201 42 -20 9.5 .866 3
Metric K030M940C
569*
94.0 .024 87.00 144 30.50 42 -20 9.5 22mm 3

Inches K030M935A
569*
93.5 .004 3.425 5.669 1.190 42 -7 11.0 .866 3
Metric K030M940A
569*
94.0 .024 87.00 144 30.22 42 FT 11.0 22mm 3
  K030M945A
569*
94.5 .044 same info as above 3
  K030M950A
569*
95.0 .064 3
* Non-coated, not supplied with rings.
 
BMW E30 3 Series:
M3 1988-1991 S14 B23 (std. bore 93.4) 4 cyl.
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K031M935B
569*
93.5 (hone) - 3.307 5.669 1.260 42 -24 8.5 .866 3
Metric K031M940B
569*
94.0 - 84.00 144 32.00 42 -24 8.5 22mm 3

Inches K031M935C
569*
93.5 (hone) - 3.307 5.669 1.260 42 -15 9.8 .866 3
Metric K031M940C
569*
94.0 - 84.00 144 32.00 42 -15 9.8 22mm 3

Inches K031M935A
569*
93.5 (hone) - 3.307 5.669 1.260 42 -7 10.5 .866 3
Metric K031M940A
569*
94.0 - 84.00 144 32.00 42 F/T 10.5 22mm 3
  K031M945A
569*
94.5 - same info as above 3
* Non-coated, not supplied with rings.
 
BMW E36 3 Series:
09/1992-1995 M50 B25
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K032M840B
799*
84.0 std 2.953 5.512 1.299 34 -10 8.8 .866 3
Metric K032M845B
799*
84.5 .020 75.00 140.0 33.00 34 -10 8.8 22mm 3
  K032M850B
799*
85.0 .040 same info as above 3

Inches K032M840C
799*
84.0 std 2.953 5.512 1.260 34 FT 10.4 .866 3
Metric K032M845C
799*
84.5 .020 75.00 140.0 33.00 34 FT 10.4 22mm 3

Inches K032M840A
799*
84.0 std 2.953 5.512 1.299 34 2 11.0 .866 3
Metric K032M845A
799*
84.5 .020 75.00 140.0 33.00 34 2 11.0 22mm 3
  K032M850A
799*
85.0 .040 same info as above 3
* Non-coated, not supplied with rings.
 
BMW E36 3 Series:
M52 Single Vanos 1995-1997 B25
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K033M840B
799*
84.0 std 2.953 5.512 1.299 36 -10 8.5 .866 3
Metric K033M845B
799*
84.5 .020 75.00 140.0 32.750 36 -10 8.5 22mm 3

Inches K033M840C
799*
84.0 std 2.953 5.512 1.260 36 FT 9.0 .866 3
Metric K033M845C
799*
84.5 .020 75.00 140.0 32.750 36 FT 9.0 22mm 3

Inches K033M840A
799*
84.0 std 2.953 5.512 1.299 36 2 10.6 .866 3
Metric K033M845A
799*
84.5 .020 75.00 140.0 32.750 36 2 10.6 22mm 3
  K033M850A
799*
85.0 .040 same info as above 3
* Non-coated, not supplied with rings.
 
BMW E36 3 Series:
M3 1993-95 US M50 B30
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K035M860A
799*
86.0 std 3.378 5.314 1.286 32 -11 11.0 .866 3
Metric K035M865A
799*
86.5 .020 85.80 135.0 32.66 32 -11 11.0 22mm 3
  K035M870A
799*
87.0 .040 same info as above 3

Inches K035M860B
799*
86.0 std 3.378 5.314 1.286 32 -25 8.8 .866 3
Metric K035M865B
799*
86.5 .020 85.80 135.0 32.66 32 -25 8.8 22mm 3
* Non-coated, not supplied with rings.
 
BMW E36 3 Series:
M3 1993-1995 "Euro" M50/S50 B30
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K036M860A
799*
86.0 std 3.378 5.590 31.6mm 32 -8 11.0 .827 3
Metric K036M865A
799*
86.5 .020 85.80 142.0 31.6mm 32 -8 11.0 21mm 3
  K036M870A
799*
87.0 .040 same info as above 3

Inches K036M860C
839
86.0 std 3.378 5.590 31.6mm 32 -12 9.7 .827 3
Metric K036M865C
799*
86.5 .020 85.80 142.0 31.6mm 32 -12 9.7 21mm 3

Inches K036M860B
799*
86.0 std 3.378 5.590 31.6mm 32 -25 8.8 .827 3
Metric K036M865B
799*
86.5 .020 85.80 142.0 31.6mm 32 -25 8.8 21mm 3
* Non-coated, not supplied with rings.
 
BMW E36 3 Series:
M3 1996-00 S52(M52)(B32) (US Single Vanos)
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K037M865US1
799*
86.5 .004 3.527 5.315 1.215 34.5 -26 8.8 .866 3
Metric K037M870US1
799*
87.0 .024 89.60 135.0 30.86 34.5 -26 8.8 22mm 3

Inches K037M865US2
799*
86.5 .004 3.527 5.315 1.215 34.5 -12 11.0 .866 3
Metric K037M870US2
799*
87.0 .024 89.60 135.0 30.86 34.5 -12 11.0 22mm 3
 
BMW E36 3 Series:
M3 1996-99 M50/S50 B32 Euro
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K037M865A
799*
86.5 (hone) .004 3.583 5.472 1.260 34 -12 11.0 .827 3
Metric K037M870A
799*
87.0 .024 91.00 139.0 32.00 34 -12 11.0 21mm 3

Inches K037M865B
799*
86.5 (hone) .004 3.583 5.472 1.260 34 -27 8.8 .827 3
Metric K037M870B
799*
87.0 .024 91.00 139.0 32.00 34 -27 8.8 21mm 3
* Non-coated, not supplied with rings.
 
BMW E46 1999 and newer:
M54 B25 1998-00 325i 525i (Double Vanos)
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K038M840A
799*
84.0 std 2.953 5.708 1.092 35 1 11 .866 3
Metric K038M845A
799*
84.5 .020 75.00 145.0 27.75 35 1 11 22mm 3

Inches K038M840B
799*
84.0 std 2.953 5.708 1.092 35 -8.8 8.8 .866 3
Metric K038M845B
799*
84.5 .020 75.00 145.0 27.75 35 -8.8 8.8 22mm 3
* Non-coated, not supplied with rings.
 
BMW M3 S52 (Single Vanos)
(86.4 std bore)
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K040M865A
799*
86.5   89.6 135mm 31mm - 12 11-1 - 3
  K040M870A
799*
87                 -

Inches K040M865B
799*
86.5   89.6 135mm 31mm - -26 8.8:1 - 3
  K040M870B
799*
87                 -
 
BMW E46 1999 and newer  (Double Vanos)
M3 Euro S54 B32
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K041M870EUR1
799*
87.0 std 3.583 5.472 1.260 33 -12 11.3 .827 3
Metric K041M875EUR1
799*
3.425 .020 91.00 139.0 32.00 33 -12 11.3 21mm 3

Inches K041M870EUR2
799*
87.0 std 3.583 5.472 1.260 33 -27 8.8 .866 3
Metric K041M875EUR2
799*
3.425 .020 91.00 139.0 32.00 33 -27 8.8 22mm 3
* Non-coated, not supplied with rings.
 
BMW E46 1999 and newer  (Double Vanos)
M3 2001-2005 S54 B32
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K041M865A
799*
86.5 std 3.583 5.472 1.268 33 -12 11.3 .827 3
Metric K041M870A
799*
87.0 .020 91.00 139.0 32.20 33 -12 11.3 21mm 3

Inches K041M865B
799*
86.5 std 3.583 5.472 1.268 33 -27 8.8 .827 3
Metric K041M870B
799*
87.0 .020 91.00 139.0 32.20 33 -27 8.8 21mm 3
* Non-coated, not supplied with rings.
 
BMW S38:
M5/M6 1988 S38 B35
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K042M935A
799*
93.5 .004 3.307 5.669 1.190 34 -24 8.3 .866 3
Metric K042M940A
799*
94.0 .024 84.0 144.0 30.22 34 -24 8.3 22mm 3

Inches K042M935B
799*
93.5 .004 3.307 5.669 1.201 34 -19 9.0 .866 3
Metric K042M940B
799*
94.0 .024 84.0 144.0 30.50 34 -19 9.0 22mm 3

Inches K042M935C
799*
93.5 .004 3.307 5.669 1.260 34 -24 9.7 .866 3
Metric K042M940C
799*
94.0 .024 84.0 144.0 32.00 34 -24 9.7 22mm 3

Inches K042M935D
799*
93.5 .004 3.307 5.669 1.190 34 -7 10.3 .866 3
Metric K042M940D
799*
94.0 .024 84.0 144.0 30.22 34 -7 10.3 22mm 3

Inches K042M935E
799*
93.5 .004 3.307 5.669 1.260 34 -15 11.0 .866 3
Metric K042M940E
799*
94.0 .024 84.0 144.0 32.00 34 -15 11.0 22mm 3

Inches K042M935F
799*
93.5 .004 3.307 5.669 1.260 34 -7 FT 12.6 .866 3
Metric K042M940F
799*
94.0 .024 84.0 144.0 32.00 34 -7 FT 12.6 22mm 3
* Non-coated, not supplied with rings.
 
BMW S38:
M5 1992 S38 B36
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K043M935A
799*
93.5 .004 3.386 5.669 1.190 34 -24 9.4 .866 3
Metric - - - 86.0 144.0 30.22 - - - 22mm - -

Inches K043M935B
799*
93.5 .004 3.386 5.669 1.201 34 -19 10.3 .866 3
Metric - - - 86.0 144.0 30.50 - - - 22mm - -

Inches K043M935C
799*
93.5 .004 3.386 5.669 1.190 34 -7 FT 12.0 .866 3
Metric - - - 86.0 144.0 30.22 - - - 22mm - -
* Non-coated, not supplied with rings.
 
BMW S38:
M5 1994 S38 B38
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K044M950A
799*
95.0 .016 3.543 5.610 1.190 34 -24 10.0 .866 3
Metric - - - 90.00 142.50 30.22 - - - 22mm - -

Inches K044M950B
799*
95.0 .016 3.543 5.610 1.201 34 -19 11.3 .866 3
Metric - - - 90.00 142.50 30.50 - - - 22mm - -

Inches K044M950C
799*
95.0 .016 3.543 5.610 1.190 34 -7 FT 13.3 .866 3
Metric - - - 90.00 142.50 30.22 - - - 22mm - -
* Non-coated, not supplied with rings.
 
BMW M54 B25
2001-06 E46 Double Vanos
Series # Bore
MM
Over
Sizes
Stroke Rod
Length
Comp
Ht.
Head
cc's
Dome/
Dish
Comp
Ratio
Pin
Dia.
Notes Buy
Now
Inches K045M840A
799*
84mm std 2.953 5.709 1.095 36cc -7cc 8.5:1 .866 3
Metric K045M845A
799*
84.5mm std 75mm 145mm 27.81mm 36cc -7cc 8.5:1 22mm 3
  K045M850A
799*
85mm std 75mm 145mm 27.81mm 36cc -7cc 8.5:1 22mm 3

Inches K045M840B
799*
84mm std 2.953 5.709 1.095 36cc -4cc 9:1 .866 3
Metric K045M845B
799*
84.5mm std 75mm 145mm 27.81mm 36cc -4cc 9:1 22mm 3
  K045M850B
799*
85mm std 75mm 145mm 27.81mm 36cc -4cc 9:1 22mm 3

Inches K045M840C
799*
84mm std 2.953 5.709 1.095 36cc +2cc 10:1 .866 3
Metric K045M845C
799*
84.5mm std 75mm 145mm 27.81mm 36cc +2cc 10:1 22mm 3
  K045M850C
799*
85mm std 75mm 145mm 27.81mm 36cc +2cc 10:1 22mm 3

Inches K045M840D
799*
84mm std 2.953 5.709 1.095 36cc +4.5cc 10.5:1 .866 3
Metric K045M845D
799*
84.5mm std 75mm 145mm 27.81mm 36cc +4.5cc 10.5:1 22mm 3
  K045M850D
799*
85mm std 75mm 145mm 27.81mm 36cc +4.5cc 10.5:1 22mm 3

Inches K045M840E
799*
84mm std 2.953 5.709 1.095 36cc +7cc 11:1 .866 3
Metric K045M845E
799*
84.5mm std 75mm 145mm 27.81mm 36cc +7cc 11:1 22mm 3
  K045M850E
799*
85mm std 75mm 145mm 27.81mm 36cc +7cc 11:1 22mm 3
* Non-coated, not supplied with rings.
 
 
Notes:
#1 Most Wiseco pistons have offset pins. Pins must be offset the same as o.e. for quietest operation - Pin offset will be opposite of direction of engine rotation.
#3 Non-coated, not supplied with rings. Rings are available for 89.99 (4 cyl) or 129.99 (6 cyl). - See top of page.
#4 This piston made w/stock compression height, which is very close to cylinder head. Use Cometic thick gasket if decking block.
Notes: that apply to all Part #'s:
*
Some pistons are listed with a range of compression ratio's. The low number is determined w/an un-cut deck and the high number is determined w/.030 piston to cylinder head clearance.
* Always check pistons to valve clearance - If using VTEC or like mechanisms- check w/longer duration higher lift lobe.
* Always run at least .030 piston to head clearance including gasket thickness.
* If piston appears to be different than expected, please do not hesitate to call Wiseco at 800-321-1364 to verify proper installation specifications.
 
 
 
No high import / shipping costs and fees anymore.
Just order the parts here at Flatlander Performance Parts in the Netherlands.
 


All prices on website are without (exclude) salestax of 21 percent; MWST of 21 percent; BTW of 21 percent

Email: Sales@Flatlander-IPP.nl
Office: 0031 (0) 545-291505
Cell: 0031 (0) 6-23360358
FAX:
0031 (0) 545295648

Mailing Address:
(no store location, we're online only):
Flatlander-IPP Nederland
Postadres: Oudestraat 75
7161 DT Neede
Nederland

 
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