Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2015 M235i.
The 2015 BMW M235i is a passenger car equipped with an eight-speed automatic transmission (S8) and EPA fuel economy ratings of 21 mpg city, 31 mpg highway, and 25 mpg combined. With only five total owner complaints and two recalls recorded—primarily concerning the electrical system and exterior lighting—this model year sits below the 2016 peak complaint volume within the 2014–2022 production span. This positions the 2015 variant as a relatively stable entry in the model's reliability history, showing fewer reported issues than the highest-reporting year while predating the lower-complaint counts seen in later production.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses a BCI 94R · 800 CCA battery, OE oil filter 11428683168. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
| Engine oil filter | 11428683168 alt 11428637820 |
| Engine air filter | 13718616909 |
| Spark plug | 12120037582 |
| Battery | 61217639053 alt 61217598775 |
| Front wiper blades | 61615A43583 |
| Thermostat | 11537598865 |
| Cabin air filter | 64116821995 alt 64119237555 |
Engine, drivetrain, dimensions and economy.
| Transmission | Automatic (S8) |
| Overall length | 174.4 in |
| Overall width | 69.7 in |
| Overall height | 55.5 in |
| Wheelbase | 105.9 in |
| Curb weight | 3693 lb |
| Track (front / rear) | 59.8 / 60.2 in |
| Weight distribution (front / rear) | 53/47 |
| EPA city / highway / combined | 21 / 31 / 25 mpg |
| Drivetrain | Rear-Wheel Drive |
| Recommended fuel | Premium Gasoline |
0–60 mph, quarter-mile, horsepower and torque from independent road tests.
Independent road tests for the M235i of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.
| Year | Trim / engine | 0–60 | ¼ mile | HP | Drivetrain |
|---|---|---|---|---|---|
| 2015 | xDrive Coupe 3.0L Turbo I-6 | 4.50 sec | 13.20 sec | 320 hp | AWD |
| 2015 | Coupe 3.0L Turbo I-6 | 4.60 sec | 13.40 sec | 320 hp | RWD |
| 2015 | Coupe 3.0L Turbo I-6 | 4.90 sec | 13.40 sec | 320 hp | RWD |
| 2014 | Coupe 3.0L Turbo I-6 | 4.30 sec | 12.90 sec | 320 hp | RWD |
| 2014 | Coupe 3.0L Turbo I-6 | 4.40 sec | 13.00 sec | 320 hp | RWD |
| 2014 | Coupe 3.0L Turbo I-6 | 4.50 sec | 13.10 sec | 320 hp | RWD |
| 2014 | Coupe 3.0L Turbo I-6 | 4.50 sec | 13.10 sec | 320 hp | RWD |
| 2014 | Coupe 3.0L Turbo I-6 | 4.90 sec | 13.40 sec | 320 hp | RWD |
Capacities, torques and tune-up values from the factory service manual.
This engine Hypoid axle oil G1 in the differential, DOT 4 brake fluid. Torque the oil drain plug to M12 Bolts: 18.0, M22 Bolts: 44.0 ft-lbs. The firing order is 1-5-3-6-2-4. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.
| Brake Fluid | DOT 4 |
| Clutch Fluid | DOT 4 |
| Differential Gear Oil | Hypoid axle oil G1 |
| Differential Gear Oil Capacity | 1.5-3.5 |
| Power Steering Fluid | Use Pentosin CHF 11S |
| Crankshaft Pulley and/or Damper Bolts | 30 ft-lbs |
| Intake Manifold to Engine Bolts | 11 |
| Engine Oil Pan Drain Plug | M12 Bolts: 18.0, M22 Bolts: 44.0 ft-lbs |
| Driveshaft Flange to Transmission | M8 Bolts: 33.0, M10: 58.0 ft-lbs |
| Cylinder Firing Order | 1-5-3-6-2-4 |
| Spark Plug Manufacturer | BMW |
| Spark Plug Type | M14X1.25 |
| Spark Plug Gap | non-adjustable in |
| Spark Plug Torque | 20.0 - 24.3 ft-lbs |
| Refrigerant | R134a |
| Standard BCI Group Number | 94R |
| Standard BCI Cranking Performance | 800 cca |
| Pressure Test | 21.7 psi |
| Radiator Cap Pressure Relief | 28-32 psi |
| Minimum Pad Thickness | Front: 0.145; Rear: 0.145 pads |
| Vented Rotor Minimum Thickness for Replacement | Front w/11.18 |
Prep Do not reuse old bolts
| 1 | 22.0 ft. lbs. | 22 ft. lbs |
| 2 | 90 degrees | 90 degrees |
| 3 | Bolts 1-10 90 degrees | 90 degrees |
| 4 | 45 degrees | 45 degrees |
Normal service, condensed from the factory interval matrix.
Under the factory schedule, replace the engine oil and filter at 1,200 mi.
| At 1,200 mi | Drive Axle Assembly (drain & refill) · Engine Oil (drain & refill) · Engine Oil Filter (replace) |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
The 2015 BMW M235i sits in the middle of this generation's early arc, with federal complaint volume identical to the launch year (5 complaints in both 2014 and 2015) and recalls declining slightly from three to two, suggesting initial production teething was being addressed. Notably, TSBs peaked at 319 in 2015 — up from 292 the prior year — indicating BMW was actively issuing technical service bulletins to guide dealers on known concerns, which typically reflects manufacturer responsiveness rather than escalating defects. The generation's complaint trend remained modest through 2016 (8 complaints) before tapering to near-zero in later years, and no investigations were opened in any year on record. The 2015 model's top complaint areas — Electrical/Exterior Lighting, Seat Belts, Tires, and Unknown/Other — each appear only once, showing no concentrated failure pattern, and there were zero crash or fire complaints. A late-cycle recall in 2021 indicates some latent issues surfaced years later, though the data does not specify the cause. With low complaint volume, no investigations, peak TSB coverage, and no crash or fire incidents, the 2015 model year represents a relatively stable point in this generation and is a reasonable choice for a used purchase, provided the two recalls have been completed.
All 5 complaints on record, top 5 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 2 of 2 campaigns on record for this vehicle.
BMW of North America, LLC (BMW) is recalling certain 2014-2015 2 Series Coupe (228i, 228i xDrive, M235i), 3 Series Sedan (320i, 320i xDrive, 328i, 328i xDrive, 335i, 335i xDrive, M3, 328d, 328d xDrive), 4 Series Coupe… Remedy: Dealers will replace the head air bags, free of charge. Owner notification letters were mailed November 4, 2024. Owners may contact BMW customer service at 1-800-525-7417.
BMW of North America, LLC (BMW) is recalling certain 2014 4 Series Coupe (428i, 428i xDrive, 435i, 435i xDrive), 3 Series Sedan (320i, 320i xDrive, 328i, 328i xDrive, 335i, 335i xDrive), and 2014-2015 2 Series Coupe… Remedy: Dealers will replace the head air bags, free of charge. Owner notification letters were mailed February 12, 2026. Owners may contact BMW customer service at 1-800-525-7417.
Showing 5 of 319 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| B611305 | 2024-01-11 | Electrical System | The electrical system of BMW vehicles has been subject to an ongoing development process… |
| B340714 | 2023-10-13 | Service Brakes, Hydraulic | Functional noises (squealing/honking) when braking shortly before the vehicle comes to a… |
| B651523 | 2023-05-01 | Electrical System | After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode)… |
| B840822 | 2023-03-01 | Electrical System | The 3G network in the US has been shut down. This means that only the 4G network will be… |
| B122519 | 2022-12-01 | Power Train | After an automatic engine start (MSA start), the transmission intermittently goes into… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.
EPA figures are 21 city / 31 highway / 25 combined mpg.