BMW N54 Hybrid Twin Turbo Exchange Core Deposit for TTE600 TTE680 – Advance Exchange, Refundable Core Charge (Deposit Only) – 135i 335i 535i 1M Z4 E82 E90 E92 E60 E89 – TheTurboEngineers UK

Secure advance exchange units for your BMW N54 turbo upgrade

Pay a refundable £250 ex VAT core deposit to lock in an advance replacement pair for TheTurboEngineers TTE600 or TTE680 upgrades on the N54 engine. Perfect when your factory chargers are still on the car and you want minimal downtime during the swap.

Deposit only. No turbochargers are included with this listing.

Why this core-return deposit works

• Keep the vehicle on the road while we prepare your exchange pair.
• Straightforward refundable core charge that supports quick turnarounds.
• Ideal for performance builds using TTE600 or TTE680 hardware on the BMW straight-six N54 platform.

How the exchange process works

1. Contact us to confirm availability of an exchange set for your upgrade.
2. Purchase this £250 ex VAT core deposit to reserve your advance replacement units.
3. We ship the exchange pair for your installation.
4. Return your complete, non-damaged OEM N54 turbochargers for inspection.
5. Once approved, your deposit is refunded.

Compatibility

• BMW 135i E82 and E88 with the N54 engine
• BMW 335i E90, E91, E92, E93 with the N54 engine
• BMW 535i E60 and E61 with the N54 engine
• BMW 1M Coupe E82
• BMW Z4 E89 sDrive35i and 35is

Important notes

• This is a core deposit only. No turbocharger upgrade is supplied with this product.
• Subject to availability. Please check stock before ordering if you need an advance replacement set.
• OEM cores must be complete and non-damaged to qualify for a refund after inspection.

Why buy from MJ Modifications

We supply and fit TTE upgrades on N54 builds across the UK and we have been consistently impressed. Our customers report excellent drivability, strong response and dependable performance from TTE600 and TTE680 setups. Expect knowledgeable advice, smooth logistics and great aftercare from a team that actually uses these parts.

Professional fitting available

Installation is available at MJ Modifications in Warwickshire. Request a fitting quote via info@mjmodifications.co.uk.

Part number

TTE600-N54-DEPOSIT

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