Archive | January, 2014

Inside Line: Meyle

Sven Nielsen, Technical Director from MEYLE, says the following difficulties may arise with the BMW 1 Series:

Defective wheel bearings

Problem:

Loud metallic rolling noises are indicators of defective wheel bearings. Increased wheel bearing tolerances can also be diagnosed by tilting the wheel while the car is not under any strain. In order to prevent more serious damage or the complete loss of the wheel bearing, the driver should seek the assistance of a repair garage as soon as possible.
In the event of a defective wheel bearing, MEYLE in-house engineers recommend to always also check the other axle bearings because it has to be presumed that all wheel bearings are exposed to the same stressors and are thus likely to have similar life spans.

MEYLE-Solution

To be able to warrant optimum repair results, MEYLE keeps complete MEYLE wheel bearing sets in stock. These kits contain all of the essential installation materials, e.g. locking nuts and screws, lock washer, lubricant grease and other components that are relevant for repairs. Hence, repair garages can forego time- consuming individual orders that would otherwise have to be issued for the necessary installation materials.

A proper professional installation of the wheel bearings and the wheel hubs in the axle stubs according to the manufacturer’s recommendations are also of crucial importance to get the maximum life span out of these components. Hence, the technical trainers from MEYLE offer periodic seminars on the professional replacement of chassis components.

Stabiliser links often worn out

Problem:

Intense strain and high surface pressure wear and stress on the ball joint. This causes a premature failure of the ball joint and generates noise at the front axle.

MEYLE-HD Solution

MEYLE in-house engineers increased the diameter of the ball head of the ball joint to 22 mm, in addition to using wear-resistant synthetic ball sockets with high-tech grease. The reduction of the surface pressure ensures a significantly longer lifetime.

Our engineers are passionate about improving our MEYLE-HD stabilizer links, constantly seeking new ways of refining all components. To make installation and removal procedures easier for our customers; more and more MEYLE-HD stabilizer links are designed with a wrench attachment at the ball pin. A distinctive advantage when fitting, in particular over those original designs which lack this value-adding feature.

Owing to the larger ball head the ball surface on MEYLE-HD stabilizer links has been increased by 50%.This way we have managed to significantly improve the part‘s load carrying capacity along with its service life. The blue clip-on plastic socket adds additional strength to the MEYLE-HD part.

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Inside Line: Castrol

The BMW E81/87 1-Series (2004-2011) replaced the BMW 3-Series in 2004 as the smallest and cheapest vehicle (depending on the engine model) in the BMW range. BMW introduced a smaller capacity 1.6-litre petrol engine for the 1-Series, alongside the 2.0-litre and 3.0-litre petrol and 2.0-litre diesel engines.

Castrol points out that every engine in the E81/E87 1-Series range* was designed to run on fully-synthetic, low viscosity Castrol EDGE 0W-30 engine oil, the only oil actively recommended by BMW. The oil filler cap even acknowledges as much, serving as a reminder to motorists and workshops which lubricant BMW points out is best for the car. EfficientDynamics versions of the 1-Series – available from 2007 onwards –specifically rely on the recommended Castrol EDGE 0W-30 formulation to meet its claimed fuel economy figures.

It’s important that vehicle technicians top-up these vehicles with the correct oil formulation. Any lubricant lacking the relevant BMW Longlife-04 approval may invalidate any remaining manufacturer warranty, and may reduce the efficiency, performance and longevity of the engine.

BMW recommends oil change intervals of 15,000 miles, though these intervals may vary according to driving conditions. Workshops should consider offering customers a one-litre bottle of the BMW-recommended Castrol EDGE 0W-30 oil, in case the motorist needs to top-up their car’s oil between workshop visits. This can also help customer satisfaction and retention, as the workshop can demonstrate that they have their customers’ best interests at heart.

* BMW 1-Series E81 / E82 / E87, 123d (->08/2008), 2007-2008 uses EDGE TWS 10W-60

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Inside Line: Moog

Challenge: simplify installation of a complex multi-link suspension

The multi-link suspension system on the newer BMW series is complex, and includes many track control arms and link stabilisers. Ensuring a complete quality repair of the suspension system is critical, but can be difficult and time-consuming.

The new kits are specifically compiled for both the front and rear axle and allow all the vital components to be replaced with new ones in one go. This easy and efficient solution improves driver safety. Moreover, it ensures enhanced vehicle steering and suspension performance on both the front and rear axle.

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Inside Line: RMI

BMW 1

116d with 2.0d engine, erratic running smoking and engine management warning light illuminated-EGR control sticking, may clean out but there is a modified part available. The timing chain is prone to rattle-failure of the secondary timing chain tensioner.

116d with N43 engine, running lumpy and fault codes P00A and P00B- VVT adjuster failure.

All models with parking sensors, failure of dash warning lights- parking sensor module contaminated with rain water on o/s/r boot floor well.

120d with 2.0d 4D4 engine code (04-07), lack of power and poor idle with fault code P1117- mass air/intake temp sensor corrosion damage.

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Inside Line: TecRMI

Ignition coil failure

BMW 1 Series 116i

Reference number(s): 0012230300
Fault symptoms: Ignition misfire Non-concentric engine running Engine warning light is on
Causes: Production defect.
Remedy: Replace ignition coils.

Timing chain issues

BMW 1 Series 116i

Reference number(s): 0011550200
Fault symptoms: Timing chain elongation cannot be compensated by built-in chain tensioner.
Causes: Design error
Remedy: Replace chain tensioner.

Injection nozzle/injector

BMW 1 Series 120d

Reference number(s): 0013690100
Fault symptoms: Power loss Non-concentric engine running Noises in the engine region. Smell of fuel in engine compartment
Causes: Production defect.
Remedy: Replace injection nozzle(s) bracket.

Belt tensioner and airbag indicator light

BMW 1 Series 118d

Reference number(s): 0061980200
Fault symptoms: Airbag indicator light lights
Causes: Faulty cable connections
Remedy: Repair the cable harness.
Testing:
Disconnect battery. Slide front seat(s) all the way to the rear. Plug and socket connection(s) – disconnect airbag. The cable harness needs to be repaired if no orange/yellow cable harness has been installed.

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Inside Line: Suplex

BMW 1 Series 5-door (E87) in production from 2004

Front & Rear Suspension

Praised for its go-kart like handling, early models of the 5-door (E87) were criticised for having a harsh ride and BMW modified suspension settings in April 2005. Revised settings for front and rear dampers, front bump stops, the front anti roll bar, rear top mount and the rear coil-springs improved ride quality significantly. Mechanics need to pay particular attention to these changes because these components work together and fitting incorrectly matched parts can ruin handling and comfort levels and lead to customer dissatisfaction.

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Inside Line: Euro Car Parts

When the BMW 1 Series was launched back it 2004, it became the smallest and cheapest model to be manufactured by BMW. It was launched at a lower entry point, making BMW more accessible to the market place, but it still held the prestige of being a “BMW”. Therefore, Euro Car Parts have aligned their braking offering for the BMW 1 Series accordingly. There is a choice of Pagid, Eicher, Textar, Ate and Bosch brands available on the shelf. With ABS Sensors, brake hydraulics, cables and brake friction in their product portfolio, Euro Car Parts truly have the offerings available that will meet the requirements from all corners of the aftermarket for the BMW 1 Series.

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Inside Line: CES

Inside Line – BMW 1 Series to 2011

1. A problem that mainly affected 2007 models. Power steering fluid can leak from the rack seals, which causes the rack gaiters to fill with fluid and ultimately the steering rack to fail.

2. On the 118D and 120D models, the Dual Mass Flywheel can sometimes fail, resulting in clutch judder.

3. The 2004 – 2006, 116i and 118i engines have timing chains that have been prone to jumping a tooth. To fix, technicians need to fit a new chain with an anti skip bracket.

4. A number of cars built between May and July 2008 had airbag problems. The faulty crimping of the component parts of the airbag wiring harness and seatbelt tensioner were found to be causing the problem.

5. The brake pressure sensor on the Dynamic Stability Control (DSC) has been known to fail.

6. On petrol cars from 2007 the pencil ignition coils and fuel injectors are also known to fail.

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Inside Line: Autoelectro

No major issues – The starter fitted to Diesel models is a Heavy Duty Stop/Start unit and this does put greater load on the battery/charging systems. It is therefore important to check the OE numbers to make sure the correct unit is supplied and fitted when replacing the Starter Motor.

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Inside Line: Comma

A few notes about the BMW 1-series (2004-2011 ):

Engine Oil

For this particular series, BMW list only one or two specifications for engine oil which should be covered by Comma Longlife 5W30 or Syner Z 5W30 for the later cars.

With service intervals of up to 18,500 miles, supplying the customer with a top up pack and reminding them that they should be checking the engine oil regularly (see handbook for guidance) might also be prudent here. A quick check before you change might be a good way of reinforcing the importance of top up to the customer. Combined with longer service intervals and the increased use of sensitive components like turbochargers, a smaller sump size makes checking your oil more critical than ever before.

Brake Fluid

BMW use one or two specifications for brake fluid for the 1-series and again you need to identify which product is suitable for the vehicle you are servicing.

Most people don’t think of brake fluid as a service item however, as with many manufacturers, BMW specify a change interval of 24 months for this 3 series. Brake fluid degrades over time by absorbing water from the atmosphere (even when it is apparently sealed inside the system) which lowers its boiling point. Boiling point is a critical factor in brake fluid performance because of the amount of heat generated during braking. If the boiling point of the fluid is too low then continuous or hard braking may cause the brake fluid to vapourise which in turn can result in a loss of hydraulic pressure within the system (i.e. your brakes don’t work when you most need them to). The message here is that brake fluid is a safety critical item so check and change when specified – don’t assume that it will just be OK.

Power Steering Fluid

BMW use one or two specifications for power steering fluid for the 1 series and again you need to identify which product is suitable for the vehicle you are servicing.

Coolant

Xstream G48 is the recommended product for the 1 series, as it is for all recent BMW vehicles.

Transmission

For this particular 1 series, BMW uses a range of transmissions that includes mostly manuals but also some automatic alternatives. As well as different fluid requirements, change intervals and capacities will vary depending on the type of transmission so we would advise you to consult the handbook to ensure that you get the right product for the vehicle you are servicing.

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