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The E30 S50 swap is a popular project among car enthusiasts, particularly those who appreciate the blend of classic BMW styling with modern performance. This article will delve into the costs associated with swapping an M50 engine versus an S50 engine from the M3 into an E30 chassis.
Understanding the E30 Platform
The BMW E30, produced from 1982 to 1994, is known for its lightweight design and balanced handling. This platform is ideal for engine swaps due to its simplicity and the availability of aftermarket support.
Engine Options: M50 vs S50
When considering an engine swap, the two most popular options are the M50 and S50 engines. Each has its own set of characteristics, benefits, and costs associated with the swap.
M50 Engine Overview
The M50 engine is a 2.5-liter inline-six engine that was produced from 1989 to 1996. It is known for its reliability and decent performance, making it a popular choice for E30 swaps.
S50 Engine Overview
The S50 engine, specifically from the E30 M3, is a high-performance variant of the M50 and features a 3.0-liter capacity. This engine is sought after for its power and racing pedigree.
Cost Comparison
When planning an engine swap, understanding the costs involved is crucial. Below is a breakdown of the estimated costs for both M50 and S50 swaps.
- M50 Swap Costs:
- Engine purchase: $1,500 – $2,500
- Transmission: $500 – $1,000
- Wiring harness: $300 – $600
- ECU: $200 – $500
- Miscellaneous parts (mounts, adapters): $200 – $400
- Labor (if outsourced): $1,000 – $2,000
- Total Estimated Cost: $3,900 – $7,000
- S50 Swap Costs:
- Engine purchase: $4,000 – $7,000
- Transmission: $1,000 – $1,500
- Wiring harness: $400 – $800
- ECU: $300 – $600
- Miscellaneous parts (mounts, adapters): $300 – $600
- Labor (if outsourced): $1,500 – $3,000
- Total Estimated Cost: $7,800 – $13,100
Factors Influencing Costs
Several factors can influence the overall costs of an engine swap, including:
- Condition of the Engine: A newer or well-maintained engine may cost more but can save on future repairs.
- Availability: Prices can vary based on how readily available the engines are in your area.
- Performance Parts: Upgrading components such as exhaust systems or intakes will increase costs.
- Labor Costs: If you choose to hire professionals, labor rates can vary significantly.
- DIY vs Professional Swap: Doing the swap yourself can save money but requires mechanical skills and tools.
Conclusion
In summary, the E30 S50 swap offers a thrilling performance upgrade, but it comes at a higher cost compared to the M50 swap. Enthusiasts must weigh their budget against their performance goals when deciding between these two engines.
Ultimately, both swaps provide an opportunity to enhance the driving experience of the E30, making it a rewarding project for any BMW aficionado.