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MaxSil Replacement Pistons

Tefcote coated, overbore, high silicon pistons for most BMW applications $124.99
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MaxSil Replacement Pistons

OE quality pistons* at aftermarket prices!

MaxSil™ BMW Pistons are cast and CNC machined using a special aluminum alloy blend that includes the optimum amount of silicon offing more strength, less weight(40g per piston), less heat expansion, and less friction than other alloys. This allows installers to hold a .0015 (+/-.0003") clearance between piston and cylinder wall without risk of seizure.

Most MaxSil™ Pistons are offered with oversized bore dimensions between .025mm and 1.2mm depending on the application (found in chart). All MaxSil™ Pistons include .002" oversize pins and pin bores. This allows installers to micro hone the rod bushing to size for a precision fit of piston pin to rod bushing.

*MaxSil™ pistons are similar to OE pistons, but may not comply with class rules dictating the use of stock pistons.

Priced per piston - each piston comes with a pin and ring kit.

5 Year unlimited mileage warranty

Index Letter Production Date Range Model Description Bore Clearance & Wrist Pin Size
A 1996 - 1999 M3 (S52) MaxSil™ w/Tefcote / 2nd over / 86.565mm (+0.20) Bore Clearance 0.0015" Wrist Pin 0.0005" over
B 1995

M3 (S50)

MaxSil™ w/Tefcote / 2nd over / 86.565mm (+0.40) Bore Clearance 0.0015" Wrist Pin 0.0005" over
C 1992, 1996 -1999 325I/IS (Non-Vanos)

328I/IS

525I

MaxSil™ w/Tefcote / 2nd oversize / 84.48mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
D 1993 - 1995 325I (Vanos)

525I

MaxSil™ w/Tefcote / 2nd Over / 84.48mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
E 1996 - 1999 318I/IS/TI

Z3 1.9

MaxSil™ w/Tefcote / 2nd Over / 85.485mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
F 1991-1995 318I/IS/TI MaxSil™ / 2nd Over / 84.48mm (+0.50) Bore Clearance 0.0015" Wrist Pin Standard
G 1987 - 1991 M3

M5 (E28)

M6 (E24)

MaxSil™ w/Tefcote / 2nd over / 93.755 mm (0.40) Bore Clearance 0.0015" Wrist Pin 0.0005" over
H 1987 - 1991 325I/IS/IX MaxSil™ with Tefcote / 2nd Over / 84.48mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
I 1988 325 (Super-Eta) MaxSil™ w/Tefcote / 2nd oversize / 84.48mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
J 1984 - 1987 325E

528E

MaxSil™ w/Tefcote / 2nd oversize / 84.48mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
K 1980 - 1985

318i

320I

MaxSil™ w/Tefcote / 2nd Over / 89.47mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
L 1968 - 1979 2002

320I

0.50MM Flat Top - MaxSil™ Piston Bore Clearance 0.0015" Wrist Pin Standard
M 1968 - 1976 2002

2002TII

1.20mm over Pop Up piston for E12 head / MaxSil™ with Tefcote Bore Clearance 0.0015" Wrist Pin 0.0005" over
N 1996 - 1998 540I

740I/IL

Bavarian MaxSil™ with TefCote / 2nd over / 92.490mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
O 1994 - 1995 530I MaxSil™ / STD / 83.99mm (0) Bore Clearance 0.0015" Wrist Pin Standard
P 1987 - 1993 535I (E34)

635CSI

735I/IL
MaxSil™ / 2nd Over / 92.485mm (+0.50) Bore Clearance 0.0015" Wrist Pin Standard
Q 1985 - 1988 535I (E28)

635CSI

735I

MaxSil™ Pistons with Tefcote / 2nd oversize / 92.47mm (+0.50) Bore Clearance 0.0015" Wrist Pin 0.0005" over
R 1978 - 1984 533I

633CSI

733I
MaxSil™ Pistons / 2nd oversize / 89.47mm (+0.50) Bore Clearance 0.0015" Wrist Pin Standard
S 1968 - 1981 2800CS

528I

Bavarian

MaxSil™ Pistons / 2nd oversize / 86.47mm (+0.50) Bore Clearance 0.0015" Wrist Pin Standard
T 1974 - 1978 3.0S/SI

530I

630CSI

BAV-3.0

0.50MM Flat Top - MaxSil™ Piston Bore Clearance 0.0015" Wrist Pin Standard
U 1988 - 1994 750IL MaxSil™ / Cyl 1-6 / 84.261mm (+0.25) Bore Clearance 0.0015" Wrist Pin 0.0005" over
V 1988 - 1994 750IL MaxSil™ / Cyl 7-12 / 84.261mm (+0.25) Bore Clearance 0.0015" Wrist Pin 0.0005" over
W 1993 - 1997 850CSI MaxSil™ w/Tefcote / Right Side / Cyl 1-6 / 86.243MM (+0.25) Bore Clearance 0.0015" Wrist Pin 0.0005" over
X 1993 - 1997 850CSI MaxSil™ w/Tefcote / Left Side / Cyl 7-12 / 86.243MM (+0.25) Bore Clearance 0.0015" Wrist Pin 0.0005" over
Y* 2001 - 2003 X5 4.6IS MaxSil™™ Pistons with Tefcote Bore Clearance 0.0015" Wrist Pin 0.0005" over

*The rings supplied with piston set "Y" will need to be modified for proper fitment. Please ask about the necessary modifications with your sales person before ordering.



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Price Details
 Page of 2  >   >>
OptionPrice
A$124.99
B$134.99
C$94.99
D$94.99
E$94.99
F$94.99
G$179.99
H$79.99
I$79.99
J$69.99
K$89.99
L$74.99
M$74.99
N$99.99
O$179.99
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