Engine Replacement Cost UKCompare Prices from Vetted Specialists

A reconditioned BMW engine supplied and fitted typically costs £3,000–£8,000, depending on the model and engine code. Main dealer quotes frequently fall in the £14,000–£18,000 range for a complete replacement, while independent specialists can supply a like‑for‑like reconditioned unit for £6,000–£8,000 — a saving of up to 60%. Used engines start from approximately £750–£1,000 (unit only), but carry no meaningful warranty.

Labour for fitting a BMW engine typically adds £800–£1,600 depending on complexity. Supply‑and‑fit packages from specialist networks usually include 12–24 month warranty coverage.

A reconditioned BMW N47 engine (2.0 diesel) supplied and fitted costs £2,600–£3,700 in the UK, with the engine alone priced between £1,800 and £2,600. The N47 is one of the most frequently replaced BMW engines due to its well‑known timing chain vulnerability.

Used N47 engines can be sourced for £750–£1,000 (unit only), but given the N47 timing chain defect, a used engine without documented chain replacement carries significant risk. A reconditioned unit with upgraded timing chain components and 12–24 month warranty is the recommended route for most UK buyers.

A BMW 3 Series engine replacement costs £2,000–£7,000 reconditioned & fitted, depending on the engine variant.

Used engines for the 3 Series can be found from £800–£1,500 (unit only), while new BMW dealer engines can exceed £12,000 fitted. A reconditioned unit from a vetted specialist typically represents the best balance of cost and reliability, with 12–24 month warranty included.

The most affordable BMW engine replacement route is a used, low‑mileage engine sourced from a UK breaker or salvage network. Prices for a used BMW engine start from approximately £750–£1,000 for common 2.0 diesel units (N47/B47). However, used engines rarely carry meaningful warranty coverage, and the buyer assumes full risk for unknown service history.

A reconditioned engine represents the best value for most buyers: priced 40–60% below new dealer engines, reconditioned units include a 12–24 month warranty and are rebuilt with upgraded components addressing known weaknesses (e.g., N47 timing chain tensioners). The total installed cost for a reconditioned 2.0 BMW engine — including supply, fitting, and warranty — typically ranges from £2,600–£3,700, compared to £6,000–£14,000+ at a main dealer.

For budget‑conscious owners of older BMWs (10+ years), a supply‑only reconditioned engine at £1,800–£2,600 plus independent garage fitting at £800–£1,200 remains the most cost‑effective path to getting the car back on the road.

BMW engine supply and fit costs in the UK break down as follows:

Supply‑only prices reduce the total by £800–£1,600 for labour, but leave the owner responsible for arranging fitting. Most vetted UK engine specialists include fitting labour in their quote, along with recovery for non‑running vehicles and 12–24 month parts‑and‑labour warranty.

BMW main dealer engine replacement quotes typically range from £10,000–£18,000, with some premium models reaching £20,000+. In contrast, a reconditioned engine from a UK independent specialist costs £3,000–£8,000 supplied and fitted — a saving of 50–70%.

The difference is primarily in:

Four factors drive the largest cost variation for BMW engine replacement in the UK: