BMW M4 (F8x)
S55 twin-turbo six, built 2014 to 2020
The F82 coupe and F83 convertible M4.

What we do for your M4 (F8x)
Crank hub upgrades
From £2,049
Crank hub upgrades for the S55.
Rod bearings
Price on application
The place to go in Scotland for rod bearings. We've done so many we've lost count, which makes us probably the most qualified place in the country to do yours. We'd drop the ‘probably’, but we're modest. Every old part is kept out for you to inspect.
Camshaft alignment
From £999
Camshaft alignment checked and corrected.
Valvetronic actuator
From £849
Diagnosis and replacement of the Valvetronic actuator and/or eccentric shaft.
Valve stem oil seals
From £1,699
Valve stem oil seal replacement.
Turbo replacement and upgrades
From £1,999
Turbos replaced like for like, or upgraded.
Tuning and ECU unlocks
Price on application
In-house DME unlocks for all M car models, including 2020 on. Bespoke ECU calibration software, plus bootmod3 (BM3) and xHP.
Performance upgrades
Price on application
Intake systems, exhaust systems, fuel systems, engine internals and drivetrain.
Chassis dynamics
Price on application
From standard component replacement to full track and race setups, and everything in between: coilover and aftermarket suspension installation, bushing upgrades and adjustable suspension components.
Diff lift kit
Price on application
Diff lift kits fitted.
Major and minor services
From £299
Manufacturer-set major and minor services, plus maintenance of any component in your car, with quality parts from OEM to full aftermarket.
Brakes
Price on application
Discs, pads and brake repairs.
All prices include VAT. Every car is different, so we'll confirm yours before any work starts.
- Rated 4.9 from 90 Google reviews
- Every job photographed as it goes
- Every old part kept out for you to inspect
- Motorsport race team background
From the workshop
Straight answers on the S55 jobs we do every week.
S55 engine work · 7 min readS55 crank hub: what it is, why it slips, and does yours need fixing?What the S55 crank hub is, why it slips on the F80 M3, F8x M4 and M2 Competition, what happens when it does, and what the fix involves and costs.Read the post →
S55 engine work · 8 min readS55 common problems: a specialist's guideThe S55 jobs we see most on the F80 M3, F8x M4 and M2 Competition: crank hub, camshaft alignment, Valvetronic, valve stem seals, turbos and rod bearings, with prices.Read the post →
Buying guide · 7 min readBuying an F80 M3, F82 M4 or M2 Competition: what to checkA specialist's checklist for buying an S55-powered BMW: the F80 M3, F82 and F83 M4, M2 Competition and CS. What to look for, and what to budget for.Read the post →
Everything else it needs
The same care goes into every car that comes through the door.
Book your car in
Free consultation on anything your car needs. Get in touch and we'll give you a straight answer.
Opening hours
| Monday | 9:00 to 17:00 |
| Tuesday | 9:00 to 18:30 |
| Wednesday | 9:00 to 18:30 |
| Thursday | 9:00 to 18:30 |
| Friday | 9:00 to 18:30 |
| Saturday | 10:00 to 16:00 |
| Sunday | Closed |
