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BMW · Luxury · 2011–2018

BMW 6er F13

Weaknesses, engine ratings and buying advice

2.8 / 5.0 · Based on 8 engine variants
Most Fun Engine

449 PS

4.4L V8 Biturbo Benzin

Grand Tourer with V8 Punch

Fun to Drive!
Problem Engine

408 PS

4.4L V8 Biturbo Benzin

7 weaknesses

Stay Away!

Body Variants

The BMW 6er F13 is available as Coupé and Cabrio and Limousine — choose your body type for specific insurance data:

Generations


Engine Overview

The BMW 6er F13 is available with 3 engine variants — from 116 to 449 hp. 2 variants had engine changes — the model year is crucial.

640d · Diesel· 313–320 PS Engine Change
2011 2018
Be Careful 6 weaknesses
2011 2018
Be Careful 6 weaknesses
640i · Benziner· 320 PS
2011 2018
Be Careful 10 weaknesses
650i · Benziner· 408–450 PS Engine Change
2011 2012
Stay Away! 7 weaknesses
2011 2012
Stay Away! 7 weaknesses
2012 2018
Be Careful 5 weaknesses
2012 2018
Be Careful 5 weaknesses

The BMW 640d (Diesel, 313–320 PS) comes with 2 different engines: N57D30 (2011–2018, Be Careful) und N57D30 (2011–2018, Be Careful). Pay attention to the model year for the 640d!

The BMW 640i (Benziner, 320 PS) has the N55B30 (3.0L Turbo) — rated: "Be Careful", 10 known weaknesses.

The BMW 650i (Benziner, 408–450 PS) comes with 4 different engines: N63B44 (2011–2012, Stay Away!) und N63B44 (2011–2012, Stay Away!) und N63B44TU (2012–2018, Be Careful) und N63B44TU (2012–2018, Be Careful). Pay attention to the model year for the 650i!

Vehicle Weaknesses

WeaknessCost
EDC dampers rear axle: dust cover failure and oil seepage

The auxiliary damper and its dust cover at the rear axle wear prematurely and become oil-soaked. As EDC dampers are only available as BMW originals (~1,800 € per side), repair is extremely expensive.

Symptoms: Wallowing at the rear, 'Suspension' fault message in iDrive, oily rear damper shaft visible at inspection
from 100,000 km
High
EDC dampers rear axle: dust cover failure and oil seepage

Identical issue to the F06/F13: the auxiliary damper and dust cover at the rear axle wear and become oil-soaked. EDC dampers are only available as BMW originals (~1,800 € per side).

Symptoms: Wallowing at the rear, 'Suspension' message on display, visible oil film on rear dampers
from 100,000 km
High
EDC dampers rear axle: dust cover failure and oil seepage

Same issue as on F06/F12: the auxiliary damper dust cover at the rear axle tears and EDC dampers become oil-soaked. Original dampers cost ~1,800 € per side; always replace in pairs.

Symptoms: Wallowing at the rear, suspension fault message in iDrive, oily damper shaft visible
from 100,000 km
High
Rear air suspension: bellow failures and compressor failure

The standard rear air suspension suffers from porous air bellows that lose pressure. If not caught in time the compressor overloads and fails too. Complete system failure can cost 5,000–8,000 €.

Symptoms: Rear sags after parking, 'Suspension control' fault message, car no longer sits level
from 100,000 km
High
!Adaptive dampers: premature wear on optional system

The optional dual-axle air suspension with adaptive dampers shows similar problems to the F series: dampers become oil-soaked, fault codes appear.

Symptoms: Suspension fault message, wallowing ride, unusual noises over bumps
from 120,000 km
High

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Known Problems and Issues

A total of 79 weaknesses have been documented for the BMW 6er F13 (2011–2018) — 57 engine-related and 22 vehicle-related. One problem engine: N63B44 (4.4L V8 Biturbo). Typical issues affect Suspension, Body, Electronics, Cooling.

6er (N57D30, 2011–2018) — Be Careful: Timing chain breaks / guide rails shatter, Connecting rod / main bearing damage at high mileage, EGR cooler leak — coolant loss. Power: 313–320 PS.

6er (B47D20, 2017–2026) — Be Careful: Timing chain elongation on early models (2014–2016), EGR cooler leak with fire risk (recall), DPF clogging with short-trip use. Power: 190 PS.

6er (B57D30, 2017–2026) — Be Careful: EGR cooler failure, Timing chain elongation on early models, Turbocharger bearing damage at high mileage. Power: 265 PS.

6er (B57D30, 2017–2026) — Be Careful: EGR cooler failure, Timing chain elongation on early models, Turbocharger bearing damage at high mileage. Power: 340 PS.

6er (N55B30, 2011–2018) — Be Careful: Bearing wear from neglected maintenance, Electric water pump failure, High oil consumption. Power: 320 PS.

6er (N63B44, 2011–2012) — Stay Away!: Valve stem seals porous — extreme oil consumption, Piezo injectors defective — hydraulic hammer and misfires, Timing chain stretches — guide rails break. Power: 408 PS.

6er (N63B44TU, 2012–2018) — Be Careful: Timing chain wear at high mileage, Valve stem seals — oil consumption despite revision, Turbo bearing damage from Hot-V heat build-up. Power: 449 PS.

6er (B48B20, 2017–2026) — Be Careful: Timing chain guide rail breaks, Oil filter housing leaking — coolant loss, Coolant bleed line at cylinder head breaks. Power: 258 PS.

6er (B58B30, 2017–2026) — Be Careful: Oil filter disintegrates — engine damage risk, Plastic oil filter housing cracks — coolant/oil mixing, PCV valve / valve cover membrane failed. Power: 333–340 PS.

What to watch out for with the BMW 6er? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the BMW 6er F13 have? +
The BMW 6er F13 has 57 known engine weaknesses and 22 vehicle weaknesses.
What should I look for when buying a used BMW 6er F13? +
faq.watch_a_avoid
Which engine is recommended? +
Be careful: N55B30 (3.0L Turbo), B48B20 (2.0L Turbo), B58B30 (3.0L Turbo), N57D30 (3.0L Diesel), B47D20 (2.0L Diesel), B57D30 (3.0L Diesel), N63B44TU (4.4L V8 Biturbo). No engine is rated 'Good Choice'. The most fun to drive is the N63B44TU (4.4L V8 Biturbo). Problem engine: N63B44 (4.4L V8 Biturbo) — stay away!
Which BMW 6er F13 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the BMW 6er F13 — rated: "Fun to Drive!". {description} 650i coupe with 450 hp — elegant and powerful in equal measure. The N63 TU emits a distinctive burble in Sport that suits the grand coupe perfectly. A GT that gets everything right.
Is the BMW 6er F13 worth buying used? +
Caution is advised with the BMW 6er F13 — 1 of 8 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the BMW 6er F13? +
The BMW 6er F13 is available with engine variants from 116 to 449 hp. Petrol: N55B30 (3.0L Turbo), B48B20 (2.0L Turbo), B58B30 (3.0L Turbo), N63B44 (4.4L V8 Biturbo), N63B44TU (4.4L V8 Biturbo). Diesel: N57D30 (3.0L Diesel), B47D20 (2.0L Diesel), B57D30 (3.0L Diesel).

Last updated: February 2026 · All information without guarantee