Mahle forged pistons-set suitable for BMW E46 M3 & Z4 M S54B32

Forged high-performance pistons from Mahle for BMW E46 M3 3.2L S54B32 engines.

With these piston it is quite easy to reduce the compression ratio,
and at the same time obtain more power and durability.

Mahle also produces piston for Formula 1 engines, among others.
Hardly any other piston manufacturer has more experience and expertise than Mahle.
That is why we also rely on high-performance pistons from Mahle.

Special features:

• Low running clearance possible thanks to special alloy
• Smooth engine running even in cold start phase
• High performance piston pin
• Bore 87.50mm ( standard 87.0mm )
• Compression ratio 9:1 or 12.3:1
• 21mm piston pin
• Low blow-by due to special ring zones
• Anti-friction graphite coating
• Mahle high performance piston rings
• Plug & Play installation possible
• Installation and drilling dimensions enclosed

For BMW E46 M3 with engine code S54B32.

All piston sets are supplied with high-strength piston pins and complete ring sets.
Installation and drilling dimensions are of course included.

We are also happy to carry out the installation in-house or build complete racing engines to customer specifications.

As the standard connecting rods cannot withstand a power increase from 300 hp, we recommend using steel connecting rods.