Exhaust and emissions · BMW 3 Series · Premium

BMW 3 Series catalytic converter cost

£625 – £2,030Independent garage · United Kingdom
Book time 1.5 – 3 hMain dealer £760 – £2,805Parts £550 – £1,750Difficulty Hard

By country

CountryPartsLabourIndependent garageMain dealer
France€600 – €1,900€80 – €280€680 – €2,180€810 – €2,910
Belgium€610 – €1,940€75 – €265€685 – €2,205€810 – €2,910
SwitzerlandCHF 810 – CHF 2,565CHF 140 – CHF 470CHF 950 – CHF 3,035CHF 1,120 – CHF 3,990
Germany€600 – €1,900€100 – €375€700 – €2,275€840 – €3,065
Austria€620 – €1,955€105 – €390€725 – €2,350€865 – €3,120
Spain€580 – €1,845€55 – €205€640 – €2,045€745 – €2,675
Italy€590 – €1,860€50 – €190€640 – €2,050€745 – €2,670
Portugal€580 – €1,845€45 – €155€625 – €2,000€730 – €2,630
Netherlands€610 – €1,940€95 – €330€705 – €2,265€835 – €2,990
United Kingdom£550 – £1,750£75 – £280£625 – £2,030£760 – £2,805

What changes the price

On the BMW 3 Series, access takes on average 25% more time than the average for its class (premium), where the range is £610 – £1,975.

BMW 3 Series: other repairs

Oil and filter change£105 – £220Full manufacturer service£250 – £595Front brake pads£115 – £270Front brake discs and pads£285 – £635Rear brake pads£125 – £285Timing belt kit with water pump£465 – £1,160Timing chain kit£1,000 – £2,730Clutch kit£670 – £1,615Clutch and dual-mass flywheel£1,295 – £2,740Car battery£180 – £400Alternator£410 – £1,065Starter motor£305 – £880Front shock absorbers£345 – £795EGR valve£390 – £1,085Diesel particulate filter (DPF)£940 – £2,730Turbocharger£1,055 – £2,790Water pump£215 – £690Air conditioning regas£95 – £260Head gasket£820 – £2,225Diesel injector£350 – £970Spark plugs£85 – £290

Frequently asked questions

How much does a catalytic converter bmw 3 series cost?

At an independent garage, expect £625 to £2,030, parts and labour included. Main dealer: £760 – £2,805.

What is book time?

It is the reference time set for a given job. Garages bill that time even if they work faster. If a quote shows far more hours than book time, ask why. BMW 3 Series: 1.5 – 3 h.

Why is the dealer more expensive?

Dealer hourly rates run 40 to 60% higher on average, and genuine parts cost more than their original-equipment equivalents. Under EU rules, servicing outside the dealer network does not void the manufacturer warranty.

Data updated October 2026. Indicative estimate. MecaScan cannot see your vehicle: always have a diagnosis confirmed by a professional, and never work on brakes, steering or airbags without the skills.